Digital Control Applications with the TMS320 Family
Does anyone have a hardcopy of this book they'd be willing to part with? http://www.bitsavers.org/components/ti/TMS320xx/1991_TI_Digital_Control_Applications_with_the_TMS320_Family.pdf USPS managed to lose the one I ordered but delivered me the damaged packaging with tire marks on it :( Regards, Kevin
WTB 3270 terminal
Hi, I want to get a fixed function term for my mainframe. Ideally looking for a 3290 and would offer around $1000 as an initial feeler for a good one. I'm in Arizona, willing to pay for shipping or I can come collect it. Please reply direct, I don't watch the list too hard. Regards, Kevin
WTB 3270 terminal
Hi, I want to get a fixed function term for my mainframe. Ideally looking for a 3290 and would offer around $1000 as an initial feeler for a good one. I'm in Arizona, willing to pay for shipping or I can come collect it. Please reply direct, I don't watch the list too hard. Regards, Kevin
Re: WTB 3270 terminal
Yes, I have a 3174 with escon. z800 They _are_ hard to find, I've been looking for two years. On Mon, Sep 25, 2017 at 11:31 AM, Guy Sotomayor Jr wrote: > You realize that a CUT terminal (327x, 317x, etc) all require an > “establishment controller” in order to work? > > Something like a 3174-1, 3174-11 or 3174-6x. > > Also 327x terminals are *hard* to find. Partly because the keyboard > collectors (may they be forever damned) > take the keyboards and scrap the rest. > > What mainframe do you have? > > TTFN - Guy > >> On Sep 25, 2017, at 1:14 AM, Kevin Bowling via cctalk >> wrote: >> >> Hi, >> >> I want to get a fixed function term for my mainframe. >> >> Ideally looking for a 3290 and would offer around $1000 as an initial >> feeler for a good one. >> >> I'm in Arizona, willing to pay for shipping or I can come collect it. >> Please reply direct, I don't watch the list too hard. >> >> Regards, >> Kevin >
[cctalk] Re: Intel Developers' Insight CD-ROM collection archived anywhere?
Can someone upload the ISOs of what we do have to archive.org? I found http://intel-vintage-developer.eu5.org/ but I'd like to grab it without the free web host ads. On Wed, Feb 17, 2021 at 4:47 PM Maciej W. Rozycki via cctalk wrote: > > On Thu, 1 Oct 2020, Glen Slick via cctalk wrote: > > > > Sadly neither seems to be among the files I have copied. I could yet > > > check Intel Dec 1995 Data on Demand discs I happen to have, and do have > > > here, but they are cumbersome to handle as they use a proprietary format > > > requiring a DOS app to access, and yet more hassle to get anything > > > exported (assuming I can recall how I did that many years ago), so it'll > > > take a little. > > > > If you have some Intel "Data on Demand" CD-ROMs it would be nice if > > .ISO images of those could be captured and uploaded somewhere. Then > > leave it up to anyone interested to deal with extracting documents > > from them. > > Hmm, I'm not sure of the copyright status, even that those were available > free of charge. It would be good to have the stuff preserved though, so > I'll see if I can get some ack from Intel. I have good experience overall > with such enquiries. Ditto about the Insight CDs. > > > I found this document while looking online. It's not clear to me if > > that is a list of documents that are contained on the December 1995 > > "Data on Demand" CD-ROMs or if some of those are only available > > elsewhere. > > > > http://alt.ife.tugraz.at/datashts/intel/litguide.pdf > > This looks to me like a list of orderable hardcopy documents. I still > have a long line of those on a bookshelf. But indeed most if not all were > available on said CDs, and some were only there. > > Anyway, sorry to take so long, but such is life. I finally got to my set > of Insight CDs and guess what? First that I looked at was October 1996, > my oldest, and it does have what you look for: > > $ ls -la fbldr16*.zip > -r-xr-xr-x 1 root root 4619852 Jul 8 1996 fbldr16.zip > -r-xr-xr-x 1 root root 1359076 Jul 8 1996 fbldr16a.zip > -r-xr-xr-x 1 root root 1253664 Jul 8 1996 fbldr16b.zip > -r-xr-xr-x 1 root root 1076370 Jul 8 1996 fbldr16c.zip > -r-xr-xr-x 1 root root 930808 Jul 8 1996 fbldr16d.zip > $ > > Do you still need it? I have lost the FTP site I used to host things on > and I can't afford the time to set up a new one right away. But I can > e-mail you this stuff offlist if your mailbox can swallow it. The choice > is either one big file, first in the listing above, or the other four, > which are the same contents, split, that I would send in a separate e-mail > each. I could split it further too, I know how it worked in the old days. > > By the look of it all the documentation included with FLASHBuilder is in > the form of MS Windows help files rather than PDF. > > Either way please let me know. > > Maciej
[cctalk] WTB: IBM 9221 ESCON card
Hi, I am looking for a CH3s QH50, P/N 63F3825 for a 9221 ES/9000. A CH1s would also do. Anyone have an ES/9000 that is a brick because no processor console that can help me out? Regards, Kevin
[cctalk] Re: Looking for an HP 9000/778 workstation B160/180
eBay prices have gotten silly. Sellers seem a lot more willing to sit on items for years hoping they get 4-5x what something should sell for rather than moving volume these days. It's odd psychology when you know a lot of it just gets scrapped eventually when it never sells. There is an ebay seller 'biff-howard-tanen' that has some C200s up right now. All their items have "Make an Offer'' and they tend to be fairly reasonable as long as you account for the free shipping they offer. I've had mostly good luck with buying from them, and they made right the couple oops. Regards, Kevin On Sun, Mar 24, 2024 at 5:17 PM Chris Hanson via cctalk wrote: > > I just looked at the prices on eBay—yikes! All of my HP hardware from that > era was pretty inexpensive a few years back. > > What are people using the B180L for that’s driven the prices so high? I > assume it’s another “there’s a piece of equipment that was built around this > specific platform 20+ years ago, and we’re still running it so we need > spares” situation, just like the equipment that was built around the > VAXstation 4000 Model 90 which keeps the price on that insane. > > Is there a specific need you’re trying to fill? I wound up with an additional > B- or C-series workstation as part of a deal, I can check what model it is > (it’s in storage right now) and we can talk off-list about maybe getting it > to a good home. (I’m in the SF Bay Area if that helps, no idea where you are.) > > -- Chris > > PS - There’s a Vintage HP Computers group at https://groups.io/g/VintHPcom/ > where you’ll also find lots of folks talking about the entire range of HP > computer hardware. >
[cctalk] Re: Looking for an HP 9000/778 workstation B160/180
On Fri, Apr 5, 2024 at 8:33 AM Keith Monahan wrote: > > Thanks guys for pointing out what's available and the references > which will be useful the next time something good comes around! > > The C200 runs the newer 64-bit processor, the PA8200, which is RISC 2.0, > and (I'd imagine is) quite a bit different than the PA7300. You can still run a 32b OS or 32b applications depending on your preference on the C200. PA-RISC is a well designed superset of its prior ISA versions. I re-read your post and it seems you want chipset compatibility though, in which case yes you'd want to find a LASI system like the C160L/C180L if going to C-class. Here is a good candidate: https://www.ebay.com/itm/195201664655 > I don't understand the silly pricing either. Who's buying them? Who is > forking over $1000, $1500, etc for these old machines? I don't really > even buy the "some business relies on this and have never updated" > because you'd have to have some smart folks on standby who could > reinstall software, reconfigure machines with licenses, etc. Assuming > you still had the necessary CDs etc. I think there is a small subset of PA-RISC machines that are used as controllers for ABB PLCs, maybe other types of industrial and lab equipment. It might not be a big deal to spend $1200 to maintain something like that and not have to understand how to make it run on other types of systems. The sellers then extrapolate that to everything is worth its weight in gold. > > Keith > > > On 4/4/2024 11:06 PM, Chris Hanson via cctalk wrote: > > On Apr 4, 2024, at 7:17 PM, Kevin Bowling wrote: > >> > >> There is an ebay seller 'biff-howard-tanen' that has some C200s up > >> right now. All their items have "Make an Offer'' and they tend to be > >> fairly reasonable as long as you account for the free shipping they > >> offer. I've had mostly good luck with buying from them, and they made > >> right the couple oops. > > > > I can vouch for them as a seller in the same way, I've also gotten > > reasonable prices from them when making offers that account for shipping, > > and the seller actually knows how to pack stuff. Same with eBay seller > > jonnyadler, though their list price for a C180 is, let's say, > > "optimistic.") > > > >-- Chris
[cctalk] Re: Looking for an HP 9000/778 workstation B160/180
On Fri, Apr 5, 2024 at 12:29 PM Keith Monahan wrote: > > Kevin, > > Thanks. but isn't there a big risk with that item that it doesn't > work at all, given the "for parts" designation? I suppose I can email > and ask if it POSTS... Depends what your risk tolerance is and how much you enjoy fixing things. I'd go for it if I were in the market because these things are pretty chonky and the parts are not too rare. The C class has three modules that promote easy swapping.. the PSU, drive bay, and motherboard all come out very easy. I wouldn't expect much from random ebay sellers, but a few pictures of the LED light bar after a few minutes of power on the front may be within their scope and could let you know if you have a functional PSU. > Thanks > > > On 4/5/2024 1:10 PM, Kevin Bowling via cctalk wrote: > > On Fri, Apr 5, 2024 at 8:33 AM Keith Monahan wrote: > >> > >> Thanks guys for pointing out what's available and the references > >> which will be useful the next time something good comes around! > >> > >> The C200 runs the newer 64-bit processor, the PA8200, which is RISC 2.0, > >> and (I'd imagine is) quite a bit different than the PA7300. > > > > You can still run a 32b OS or 32b applications depending on your > > preference on the C200. PA-RISC is a well designed superset of its > > prior ISA versions. I re-read your post and it seems you want chipset > > compatibility though, in which case yes you'd want to find a LASI > > system like the C160L/C180L if going to C-class. Here is a good > > candidate: https://www.ebay.com/itm/195201664655 > > > >> I don't understand the silly pricing either. Who's buying them? Who is > >> forking over $1000, $1500, etc for these old machines? I don't really > >> even buy the "some business relies on this and have never updated" > >> because you'd have to have some smart folks on standby who could > >> reinstall software, reconfigure machines with licenses, etc. Assuming > >> you still had the necessary CDs etc. > > > > I think there is a small subset of PA-RISC machines that are used as > > controllers for ABB PLCs, maybe other types of industrial and lab > > equipment. It might not be a big deal to spend $1200 to maintain > > something like that and not have to understand how to make it run on > > other types of systems. The sellers then extrapolate that to > > everything is worth its weight in gold. > > > >> > >> Keith > >> > >> > >> On 4/4/2024 11:06 PM, Chris Hanson via cctalk wrote: > >>> On Apr 4, 2024, at 7:17 PM, Kevin Bowling > >>> wrote: > >>>> > >>>> There is an ebay seller 'biff-howard-tanen' that has some C200s up > >>>> right now. All their items have "Make an Offer'' and they tend to be > >>>> fairly reasonable as long as you account for the free shipping they > >>>> offer. I've had mostly good luck with buying from them, and they made > >>>> right the couple oops. > >>> > >>> I can vouch for them as a seller in the same way, I've also gotten > >>> reasonable prices from them when making offers that account for shipping, > >>> and the seller actually knows how to pack stuff. Same with eBay seller > >>> jonnyadler, though their list price for a C180 is, let's say, > >>> "optimistic.") > >>> > >>> -- Chris
HP 88780B density
I have a dual density 88780B. Is it possible to upgrade to quad density by acquiring/swapping boards? Or does someone have an 800bpi 9-track on SCSI Incan borrow or buy? I have a pair of 1984 pdp11/70 UNIX SysV (R0, R1?) tapes that need to be archived. Regards, Kevin
HIPPI devices
Anyone have any HIPPI stuff, preferably for sale? The machine I have uses the big parallel cables 100-pin but I guess there is a converter to serial fiber. Regards, Kevin
SCSI for HP 9000/380
I have one of these, but the system has HP-IB disk and tape. I'd like to use a SCSI tape to install on it. On the CPU card, there is what looks like a 50-pin connector. Does that need active electronics to work like the second HP-IB bulkhead that currently occupies the slot? Also does anyone have digital manuals for this particular model? Regards, Kevin
Re: SCSI for HP 9000/380
I don’t see a manual for the 380 on either On Thu, Dec 27, 2018 at 2:34 PM Al Kossow via cctalk wrote: > > > On 12/27/18 1:22 PM, Kevin Bowling via cctalk wrote: > > I'd like > > to use a SCSI tape to install on it. > > Series-300 doesn't support booting from SCSI/QIC tape > > It does support SCSI CD-ROM > > Docs are on bitsavers or the HP Museum sites > > > >
Re: SCSI for HP 9000/380
It looks like the on board SCSI is straight through wikimedia has images of the 380 CPU board plumbed to the bulkhead with just a cable/connector On Thu, Dec 27, 2018 at 2:22 PM Kevin Bowling wrote: > I have one of these, but the system has HP-IB disk and tape. I'd like > to use a SCSI tape to install on it. On the CPU card, there is what > looks like a 50-pin connector. Does that need active electronics to > work like the second HP-IB bulkhead that currently occupies the slot? > > Also does anyone have digital manuals for this particular model? > > Regards, > Kevin >
Re: Hewlett-Packard 3000, 9000, Itanium (HP-UX & MPE/iX) Servers, Storage Arrays, Replacement Parts, Maintenance, & Disaster back-ups
Do you have any MPE systems that would be interesting for a hobbiest but not too expensive? On Thu, Jan 24, 2019 at 10:13 AM Jesse Dougherty via cctalk < cctalk@classiccmp.org> wrote: > how about 50 bucks? > > Jesse > > Cypress Tech > > > On 1/23/19 6:37 PM, Fred Cisin wrote: > > How much would you charge for the following? > > > > a 12922, (part of a 3 board mux set for TSB) >
Re: sun 88780 on ebay
I am in the market for this option as well, after Al is taken care of if he needs it. On Mon, Feb 11, 2019 at 1:27 PM Eric Smith via cctalk wrote: > On Mon, Feb 11, 2019 at 11:18 AM Al Kossow wrote: > > > Does it have the 800 bpi option board? > > > > I haven't yet unboxed it. I took photos of the outside of the destroyed box > to send to the shipper. The front bottom left corner of the 88780 is > visible through a hole in the box, and is visibly mangled. > > I'll take more photos as I unbox it tonight. > > Based on the service manual, it appears that option 800 requires: > * buffer PCA 07980-6xx14 (512K) or 07980-6xx34 (1M) > * read/write/formatter PCA 07980-6xx31 > > Were there any other hardware changes for option 800? If not, one wonders > why HP documentation is adamant that it cannot be field-upgraded to option > 800. >
Re: IBM 3174 C 6.4 Microcode Disks?
There was quite a bit of difference up until POWER6 although each generation came closer and closer together. It wasn’t just the IOPs, the systems had different management controllers, cases, expansion enclosures, etc as late as POWER5 and only ran AIX in LPARs or PASE. The early PowerPC 400s were PowerPC-AS chips designed in Rochester, MN whereas most other POWER and PowerPC work was an Austin, TX creation. Rochester did the RS64 family of processors which were very nice low power chips that also introduced “hyperthreading” and other advanced technologies but these were offered in RS/6000s as well for commercial workloads (DB, web services). https://en.wikipedia.org/wiki/IBM_RS64 On Fri, Feb 15, 2019 at 7:02 PM Paul Berger via cctalk < cctalk@classiccmp.org> wrote: > > On 2019-02-15 4:04 p.m., Liam Proven via cctalk wrote: > > On Fri, 15 Feb 2019 at 19:27, Paul Berger via cctalk > > wrote: > > > >> Knowledge Center refers to it as IBM i, but it is not the name of a > >> system it is just the name of another OS that runs on IBM Power systems > >> and can even be vitalized on a system with other OSes. > > IBM moved the AS/400 onto POWER processors. The TIMI (sp?) firmware > > made this doable and binaries were portable from the old hardware. The > > OS was renamed i5/OS. > > > > Later they replaced the proprietary POWER hardware with generic POWER > > servers, and they renamed the OS to IBM i. > > > > IBM supports 3 OSes on POWER servers now: AIX, Linux and IBM i. > > > > Silly name, though. > > Only the very first RISC based AS/400s where really different hardware, > by the turn of the century when the second generation of RS64 / Power3 > systems where coming along there was already a lot of common hardware > between AS/400or iSeries and RS/6000 or pSeries only by Power5 time the > hardware was all the same except iSeries was still clinging to the IOP > but even that went away with Power 6 and even the support for Twinax WSC > is gone now since the last ones where PCI. > > Paul. > > >
Re: Telex 274-61C Establishment Controller
I have a late model 1174 it looks like they kept the same basic architecture, each board has a full 68k. On Sun, Apr 21, 2019 at 2:29 PM Al Kossow via cctalk wrote: > > > On 4/21/19 9:11 AM, Al Kossow via cctalk wrote: > > > Today's project is to go through the later-gen 1174 controller docs to > see if there is some hint of how to > > configure the thing and try that on the earlier model. > > > > Configuration is completely different > I noticed it isn't even getting as far as starting the 2nd CPU > since I noticed the 'LDERR' light come on at the point where IML faults > > > >
Re: Telex 274-61C Establishment Controller
It's labeled Visara, 1174-25S mfg date is 2003. It only has a 3.5" floppy, it boots off an internal HDD, so I'm not sure how to load code for DFTs yet. Regards, Kevin On Tue, Apr 23, 2019 at 9:16 AM Al Kossow wrote: > > > > On 4/22/19 8:15 PM, Kevin Bowling wrote: > > I have a late model 1174 it looks like they kept the same basic > > architecture, each board has a full 68k. > > The desktop models (-60 and -95) have a large integrated main boards with > plug-ins for comms options. > I have one of each, I have them pulled apart right now to take pictures. > > Some decent pics of the -60R are here: > https://www.ebay.com/itm/191672782519 > > is this yours? > http://www.aceware.com.au/acms/EventDetail.asp?lngEventId=54 >
IBM Series/1
Anyone have one of these? I'd like to find a system, but images of the OS media would be interesting. Regards, Kevin
Re: IBM Series/1
I'm pretty sure it was intended as a PLC or more precisely a PDP11 competitor as others stated. I am reading an excellent book "The Small Computer Concept" which kind of awe inspiring lays out the need for the Series/1, the ISA, and monitor functions in 400 pages. On Sat, Aug 3, 2019 at 10:29 AM Jon Elson via cctalk wrote: > > On 08/02/2019 10:04 PM, ED SHARPE via cctalk wrote: > > Was IBM Series/1 for process control?Ed# > > > I don't think it was necessarily DESIGNED for process > control, it was a decent 16-bit mini. > But, it did get USED a lot for that application. They were > also used as interfaces from the IBM channel architecture to > serial ports, where the 360/370's were hurt very badly by > interrupt load. > > Jon
Re: Update: Shipping 50 lb computer from Zell am See, Austria to CA.
I had a Siemens Nixdorf MIPS system shipped from Germany using their post office. It took forever and was fairly banged up but made it to the US. On Fri, Aug 23, 2019 at 1:19 AM steven stengel via cctalk < cctalk@classiccmp.org> wrote: > Well, I knew the computer, just not the city. > > It's Zell am See, a small town in western Autria, far from everywhere it > seems. > > The computer is a Datapoint 2200 - 50lbs, 10x19x20 inches. > > I want to get it shipped to Calfornia, where I live. > > The cheapest option is to just use local Austria mail, but max dimensions > are 60x60x100cm, or > 23.5x23.5x40 inches. That would leave just 2-inches on each of two sides > for padding. > > Best option - remove the plastic cover and mail it separately. Correct me > if I'm wrong, but the entire bottom of the computer seems to be a solid > piece of metal, like the Apple III = very strudy. The back is a giant metal > heat sink. > > I think it's do-able, do you? > > Steve. >
IBM SP/SP2 9076
Anyone have one of these collecting dust? Regards, Kevin
Re: tape baking
Out of curiosity has anyone tried running tapes at different temperatures, for instance in a relative cold or hot environment? Either on a simple winder or even a recovery drive. On Tue, Apr 28, 2020 at 11:47 AM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > I'm a bit surprised that this is even a "thing" in the audio business. > Restorers have been baking audio tapes for a long time. > > One thing not discussed (maybe it doesn't occur in audio) is that there > can be issues in binder formulation, at least in digital tapes. In > particular, 3M tapes, most notably Scotch 701 and 777 formulations, have > an issue where the binder "liquefies" under motion and solidifies when > tape motion slows or ceases. So, you may be running a tape through a > drive just fine and then suddenly, everything freezes up as the tape > becomes firmly "glued" to the heads or other objects in the tape path, > usually with a loud squeal. > > In the current batch of 60 tapes from the late 60s-mid 70s, every single > 3M tape exhibited this behavior. It didn't matter if they'd been baked > or not. There was a note of this on Ed Thelen's site where someone had > encountered this and given up. > > Isopropanol does not clean the sticky deposits from equipment--you must > use a stronger solvent. Acetone, Perc or MEK generally does the trick. > > Rather than try to clean the gunk off the tape, which is probably a > fool's errand, I coat the tape with cyclomethicone, using a felt > applicator in my cleaning machine--it doesn't take much to create a > slippery film on the tape surface, perhaps 10 ml will do a 2400' tape. > Cylcomethicone is non-toxic and relatively inert--and is somewhat > volatile, so that it evaporates in a couple of hours, leaving the tape > as it was. Very slippery stuff, so don't spill it on the floor! It > does not appear to have a solvent effect on the binder, as nearly as I > can tell. It also doesn't appear to bother the equipment either. > > I've achieved 100% success using this method. > > I think it's interesting that tape quality tends to better the older the > tape. Audio Devices, Ampex and IBM Series 500 tapes tend to survive the > best. Memorex seems to get worse, the younger it is. (e.g. MRX III > tends to behave better than MRX V). > > For whatever it's worth, > Chuck >
Re: NCR 3550 Digital Library Was Re: System Pro WAS RE: Compaq Smart Array 3200 Controller as a SCSI Controller
Wow, would love to have a machine like that. The “weird unix” was probably MP-RAS which was NCR’s SysVr4. NCR was selling massive x86 MCA systems for Terradata setups in the early ‘90s. On Thu, Jul 16, 2020 at 8:54 AM Chris Zach via cctalk wrote: > Now in terms of the most MANLY system I worked on, that would be the > NCR3550 we had at the IEEE Computer Society. When I arrived in 1993 it > had been donated, but was doing nothing with 4 486 CPUs in it and a > weird copy of AT&T unix. I took one look at the 256 bit interleaved > memory architecture the 3 levels of cache with affinity, the infinite > amount of space for disks, and the dual micro-channel busses and fell in > *love* > > We talked to NCR, upgraded it to 512mb memory, 8 Pentium Pro/200 CPUs, > and dual Microchannel busses with FDDI and Ethernet interfaces. Loaded > it with disks, installed Windows NT 4.0 on it, and turned it into TALOS, > the main server for the IEEE Computer Society's Digital Library (which I > built). > > Partnered with Anderson and Netscape to multi-thread commerce server > (SSL), built an E-account system in Lotus Domino/Notes, and loaded up > all of our SGML with an SGML to HTML converter (Dynaweb) and a custom > tool that could convert Tek math to GIFs on the fly. That process could > take advantage of all 8 CPUs and render complex math articles in real time. > > Also did e-commerce for awhile with online credit card processing for > memberships and conferences (SuperComputing/95 was the first conference > to do on-line credit cards, I built that too because I was sick and > tired of keying in the cards myself. Laziness is next to godliness) > > It served for years as the CS Digital Library core server with > 30,000-40,000 accounts in active use. Man that thing was a truck, I wish > I knew what had happened to it. > > And to think, it all started with the computer room ceiling collapsing > from all the RS232 cables from the Vax and crushing our Sun Sparc 20 web > server that kicked off this whole thing. > > I should write a book or an article about that. We did so much that was > so... new... and all of that could be forgotten like tears in the rain > > CZ > > On 7/16/2020 11:40 AM, Ali via cctalk wrote: > >>> Had a full compliment of memory, > >>> max internal disk on the ATA controller, > >> > >> ATA? That long ago? > >> > >> Possible but unusual in a server, I would have thought. > > > > Funny story about that - I just setup a Systempro XL at home to play > with. It is fully decked out w/ dual processor 50MHZ 486s (not DX2), 512MB > of memory, a 4GB SCSI Boot Drive and six 2GB SCSI drives in RAID 5. The > Compaq systems came standard with what Compaq called the IDA (Intelligent > Drive Array). It was IDE based but did not use standard IDE drives. I think > it could do RAID 0, 1, and 3 (or the equivalents there of). Compaq even had > a few iterations of the controller and cached ones. Interestingly the > Systempro XL had a SCSI 2 controller on the MB mainly used for the tape > dive or CD while the base config came with an IDA 2 controller and could > have up to eight drives. In addition you could install extra IDA > controllers for even more drives or to drive external boxes. Or you could > upgrade to a SCSI array - which is what I have running in my Systempro XL. > > > > > >> > >> What OS, just out of interest? > > > > Target OS was WinNT 3.1 initially and then 4.0. 2K was also supported > but the machine really was not meant for 2k. You could also run OS/2, > Novell Netware, Compaq DOS, and supposedly there was even a version of MS > LanMan (the full server OS not the client) for the Systempro that allowed > SMP. > > > > -Ali > > >
Re: AIX 4.1.3 on 7009-C20 RS/6000
Yes, http://ps-2.kev009.com/ has my RS/6k preservation Why are you trying to install that specific version? For "standard" MCA systems there are only three versions the really "matter" IMHO and backward binary compatibility is good in AIX: 3.2.5, 4.3.3, 5.1. 3.2.5 is best for early POWER1 and includes a compiler. 4.3.3 is a good balance of performance, new enough C/POSIX interfaces to port stuff, features, etc. 5.1 is fine on more powerful machines (the C20 with cache should be ok). For newer PCI systems 5.1, 5.3, 7.1 are the interesting versions. 5.1 for PReP, 5.3 for older CHRP, 7.1 for P4-P6. 7.2 will only run on P7+. And then the oddball systems like the Apple Network Server and ThinkPad 800s have their own 4.1 releases, and the 7007-N40 has a special 3.2.5 release. I have the ANS and N40 releases if anyone needs them. Regards, On Sun, Jan 7, 2018 at 9:57 PM, Benjamin Huntsman via cctalk wrote: > Any RS/6000 hobbyists out there? > > > I got my old 7009-C20 pretty tricked out and hardware carefully selected to > be compatible with AIX 4.1.3, the version I'm trying to get running on it. > Unfortunately, I can't get the dang thing to boot my 4.1.3 or 4.1.4 CD's. > It'll boot my 4.1.5 disc, however. The 4.1.3 and 4.1.4 CD's are labeled "AIX > for clients" or something like that, and I seem to recall having trouble > getting other RS/6000's to boot from this 4.1.3 CD, even though it's genuine > original media, and reads just fine in a working system. > > > Anyone know a way to check what systems an old AIX 4.1 disc supports, or have > C20 or similar MCA machine running 4.1.3? > > > My other thought was to try to NIM boot it using my ThinkPad 860 as a NIM > server (running 4.1.5), but it unfortunately doesn't have enough capacity to > hold a lpp_source and a SPOT, and even then it looks like the 4.1.3 disc may > not have enough stuff on it to support the C20 anyway... > > > Anyway, thanks in advance! >
FS: Livingston Portmaster 2e
This one is fully upgraded to 30 serial ports. Just shoot me an offer, I'll probably say yes Regards, Kevin
Sun3 valuations?
I have some sun3/vme systems Several 3/60 3/260 sparcstation 4/370 SMD disk array for 3/260 The 3/260 and 4/370 have some oddball boards for data (cosys) and video acquisition (Aviv). I also have some spare sparcstation 10s and 20s. I haven't seen sun3 stuff for sale much. Does anyone know approximate valuations for tested systems? Regards, Kevin
Re: Sun3 valuations?
Several people asked my location.. Phoenix, AZ. Freighting stuff is neither hard nor expensive if it comes to that but I'm just trying to gauge value at the moment. On Sun, Jan 21, 2018 at 3:47 PM, Kevin Bowling wrote: > I have some sun3/vme systems > > Several 3/60 > 3/260 > sparcstation 4/370 > SMD disk array for 3/260 > > The 3/260 and 4/370 have some oddball boards for data (cosys) and > video acquisition (Aviv). > > I also have some spare sparcstation 10s and 20s. > > I haven't seen sun3 stuff for sale much. Does anyone know approximate > valuations for tested systems? > > Regards, > Kevin
Re: FS: Livingston Portmaster 2e
Hi, Yes a member made an offer for $20 and shipping, worked for me! Regards, Kevin On Thursday, February 8, 2018, Dan Veeneman via cctalk < cctalk@classiccmp.org> wrote: > Hi Kevin, > > Just checking in to see if this unit was sold. > > Thanks! > > > Cheers, > Dan > > > > On 1/15/2018 10:42 AM, Kevin Bowling via cctalk wrote: > > This one is fully upgraded to 30 serial ports. Just shoot me an > > offer, I'll probably say yes > > > > Regards, > > Kevin > > >
Re: UUCP "bag" files
As in mail bag On Thu, May 10, 2018 at 8:30 AM, Grant Taylor via cctalk wrote: > Does anyone know why UUCP "bag" files are called "bag"? > > Thanks in advance. > > > > -- > Grant. . . . > unix || die
WTB: Solbourne computer
Looks neat, anyone have one of these things they'd sell me? I'm in the US Southwest, can ship or travel a bit. Regards, Kevin
Re: IBM junk
Holy crap, that is an amazing haul. I would have taken it all too. Would still love to thumb through some of the manuals! Regards, Kevin On Fri, Jun 22, 2018 at 3:34 PM, Donald via cctalk wrote: > Collected stuff for over 10 years. Moving from 2300 sq. ft. to 1400. It > had to go. Praise the computer gods I found someone that wanted it all. > > 115 boxes of manuals and documents. > 26 boxes of coffee mugs > 73 703 boxes of stuff. > 106 loose big items. > > Filled the floor space of a 26' truck. > > It can be viewed at http://www.ibmjunkman.com/junk/ > > Best viewed on a PC with decent speed connection. > > Sample stuff: 360 Mod 20 panel, mod 30 panel, mod 65 panel, s/3 panel. Disk > pack and HDA up the ying yang.3850 data carts, 2321 data cell, 7340 > Hypertape cartridge, a Russian equivalent, desktop chachki (tchotchke), 360 > mod 70 desktop model used in 1964 World's Fair, etc, etc. >
Re: i860: Re: modern stuff
6611 was the commercialized version. One early model was a standard 7012 desktop with the special cards. A later cost optimized version had a custom PowerPC backplane. There were some good pics of the nsfnet T3 racks I linked onto nekochan forums but that site is gone. Wish people would migrate back to Usenet. On Thu, Nov 1, 2018 at 9:15 AM William Donzelli via cctalk < cctalk@classiccmp.org> wrote: > > So, what is this i960-based card for? > > They were the routers. At the core nodes of the network, there would > be a big RS/6000s (very early POWER1 types) that would each do about > 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface > was one of these cards, so each of the big RS/6000s would have about > 4-5 of these cards. > > IBM tried to commercialize the design, but it was doomed - the routing > engines were very fast, but the internet quickly outgrew the > architecture of the engines, and they apparently needed a complete > redesign to compete. IBM did release very few of these RS/6000s to the > public (I think RS/6000-320Hs with a fancy tag - machine type 6767?). > I have only seen one of these routers in the wild, but most of the > real NSFnet ones (I was decommissioning them, one time with a Sawzall > because of some live tangled cables). > > > Could it be related to what you > > say in your post? > > > > https://imgur.com/NIvQPBv > > Possibly related, but that card is not one of the NSFnet ones. > > -- > Will >
Re: IBM Xstation 140?
7010 Xstation 120 CPU Planar 8 MHz 80186 190-027-1 130 CPU Planar 12.5 MHz 80C186 190-027 140 CPU Planar 33 MHz LSI R33020 193-273 150 CPU Planar Motorola 88110 193-018 160 CPU Planar 66 MHz PowerPC 603 195-027 On Thu, Nov 1, 2018 at 2:51 PM Guy Sotomayor Jr via cctalk wrote: > > If I recall correctly the Xstation 120 (the first of them) used an 8086 > (might have been an 80186). The big issue was that you couldn’t do anything > with it because what was in ROM/FLASH was only smart enough to be able to > TFTP the rest of the microcode (not terribly useful if you don’t have the > image it wants to TFTP). > > I think the 140 fixed that (and is somewhat telling from all of the Intel > flash parts on the board). But I don’t know what CPU it’s using. The IBM > metal can is probably the graphics controller. > > TTFN - Guy > > > > On Nov 1, 2018, at 2:36 PM, Al Kossow via cctalk > > wrote: > > > > Wondering if this is an IBM Xstation 140 with token ring > > > > Wonder what processor it uses.. > > > > https://www.ebay.com/itm/273538296972 > > >
Re: i860: Re: modern stuff
Yes, they are. There are reference to those machines in the various nsfnet written histories but not cross linkage to those great pictures. On Thu, Nov 1, 2018 at 2:57 PM William Donzelli wrote: > > Right, thanks. 6611 is correct. I do not think the FDDI or HSSI cards > made it into those. > > The RCS/RI twitter feed has some pictures of NSFnet racks and a F960 > FDDI card. Those were from the GNJ node in Greensboro Junction, NC. > Were those the pictures? > > https://twitter.com/RetroCompSocRI > > -- > Will > On Thu, Nov 1, 2018 at 3:22 PM Kevin Bowling wrote: > > > > 6611 was the commercialized version. One early model was a standard 7012 > > desktop with the special cards. A later cost optimized version had a custom > > PowerPC backplane. > > > > There were some good pics of the nsfnet T3 racks I linked onto nekochan > > forums but that site is gone. Wish people would migrate back to Usenet. > > > > On Thu, Nov 1, 2018 at 9:15 AM William Donzelli via cctalk > > wrote: > >> > >> > So, what is this i960-based card for? > >> > >> They were the routers. At the core nodes of the network, there would > >> be a big RS/6000s (very early POWER1 types) that would each do about > >> 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface > >> was one of these cards, so each of the big RS/6000s would have about > >> 4-5 of these cards. > >> > >> IBM tried to commercialize the design, but it was doomed - the routing > >> engines were very fast, but the internet quickly outgrew the > >> architecture of the engines, and they apparently needed a complete > >> redesign to compete. IBM did release very few of these RS/6000s to the > >> public (I think RS/6000-320Hs with a fancy tag - machine type 6767?). > >> I have only seen one of these routers in the wild, but most of the > >> real NSFnet ones (I was decommissioning them, one time with a Sawzall > >> because of some live tangled cables). > >> > >> > Could it be related to what you > >> > say in your post? > >> > > >> > https://imgur.com/NIvQPBv > >> > >> Possibly related, but that card is not one of the NSFnet ones. > >> > >> -- > >> Will
Re: i860: Re: modern stuff
Do you have software or docs for any of this stuff? I run ps-2.kev009.com On Thu, Nov 1, 2018 at 3:41 PM William Donzelli via cctalk < cctalk@classiccmp.org> wrote: > OK, I assumed the 6611s used the NSFnet type cards. Artic960s are > different animals - but probably very similar in idea. > > My memory is hazy, but I think the NSFnet cards were referred to as > Hawthornes. > > Somewhere around here I have one of the really early 386 based routing > cards - a weird double height Microchannel card (the RS/6000s were > RPQ'd with extra tall chassis to accommodate them). > > Anyway, I would like to get a 6611, but I do not think very many were > made at all. > > -- > Will > On Thu, Nov 1, 2018 at 6:19 PM Paul Berger via cctalk > wrote: > > > > The machine type was 6611 and there where three model, the smallest was > > based on a 7011 the mid size one was based on a 7012 and the largest was > > based on a 7013. > > > > The base card is an Artic 960 card which is just a processor card with > > some memory that gets an application loaded on the fly. The top > > interface card has a lot to do with determining what the function of the > > card sandwich is, there should be a X-Y type code on the back of the > > card that would define the interface. They where used for all kinds of > > things like Synchronous communications, X25 and network accelerators. > > Some of the interfaces cards used in the 6611 where unique to it and > > never made it to the "standard" RS/6000 line. There was also a PCI > > version of the Artic 960 but by the time it came along the 6611 was long > > gone. > > > > Paul. > > > > > > On 2018-11-01 1:15 PM, William Donzelli via cctalk wrote: > > >> So, what is this i960-based card for? > > > They were the routers. At the core nodes of the network, there would > > > be a big RS/6000s (very early POWER1 types) that would each do about > > > 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface > > > was one of these cards, so each of the big RS/6000s would have about > > > 4-5 of these cards. > > > > > > IBM tried to commercialize the design, but it was doomed - the routing > > > engines were very fast, but the internet quickly outgrew the > > > architecture of the engines, and they apparently needed a complete > > > redesign to compete. IBM did release very few of these RS/6000s to the > > > public (I think RS/6000-320Hs with a fancy tag - machine type 6767?). > > > I have only seen one of these routers in the wild, but most of the > > > real NSFnet ones (I was decommissioning them, one time with a Sawzall > > > because of some live tangled cables). > > > > > >> Could it be related to what you > > >> say in your post? > > >> > > >> https://imgur.com/NIvQPBv > > > Possibly related, but that card is not one of the NSFnet ones. > > > > > > -- > > > Will > > >
Re: i860: Re: modern stuff
That’s interesting stuff, get it done! :) On Sat, Nov 3, 2018 at 3:01 PM William Donzelli wrote: > I have quite few NSFnet backup tapes that need to go to Al at some > point. They likely have good stuff on them. > > -- > Will > On Sat, Nov 3, 2018 at 5:03 AM Kevin Bowling > wrote: > > > > Do you have software or docs for any of this stuff? I run > ps-2.kev009.com > > > > On Thu, Nov 1, 2018 at 3:41 PM William Donzelli via cctalk < > cctalk@classiccmp.org> wrote: > >> > >> OK, I assumed the 6611s used the NSFnet type cards. Artic960s are > >> different animals - but probably very similar in idea. > >> > >> My memory is hazy, but I think the NSFnet cards were referred to as > Hawthornes. > >> > >> Somewhere around here I have one of the really early 386 based routing > >> cards - a weird double height Microchannel card (the RS/6000s were > >> RPQ'd with extra tall chassis to accommodate them). > >> > >> Anyway, I would like to get a 6611, but I do not think very many were > >> made at all. > >> > >> -- > >> Will > >> On Thu, Nov 1, 2018 at 6:19 PM Paul Berger via cctalk > >> wrote: > >> > > >> > The machine type was 6611 and there where three model, the smallest > was > >> > based on a 7011 the mid size one was based on a 7012 and the largest > was > >> > based on a 7013. > >> > > >> > The base card is an Artic 960 card which is just a processor card with > >> > some memory that gets an application loaded on the fly. The top > >> > interface card has a lot to do with determining what the function of > the > >> > card sandwich is, there should be a X-Y type code on the back of the > >> > card that would define the interface. They where used for all kinds > of > >> > things like Synchronous communications, X25 and network accelerators. > >> > Some of the interfaces cards used in the 6611 where unique to it and > >> > never made it to the "standard" RS/6000 line. There was also a PCI > >> > version of the Artic 960 but by the time it came along the 6611 was > long > >> > gone. > >> > > >> > Paul. > >> > > >> > > >> > On 2018-11-01 1:15 PM, William Donzelli via cctalk wrote: > >> > >> So, what is this i960-based card for? > >> > > They were the routers. At the core nodes of the network, there would > >> > > be a big RS/6000s (very early POWER1 types) that would each do about > >> > > 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface > >> > > was one of these cards, so each of the big RS/6000s would have about > >> > > 4-5 of these cards. > >> > > > >> > > IBM tried to commercialize the design, but it was doomed - the > routing > >> > > engines were very fast, but the internet quickly outgrew the > >> > > architecture of the engines, and they apparently needed a complete > >> > > redesign to compete. IBM did release very few of these RS/6000s to > the > >> > > public (I think RS/6000-320Hs with a fancy tag - machine type > 6767?). > >> > > I have only seen one of these routers in the wild, but most of the > >> > > real NSFnet ones (I was decommissioning them, one time with a > Sawzall > >> > > because of some live tangled cables). > >> > > > >> > >> Could it be related to what you > >> > >> say in your post? > >> > >> > >> > >> https://imgur.com/NIvQPBv > >> > > Possibly related, but that card is not one of the NSFnet ones. > >> > > > >> > > -- > >> > > Will > >> > >
Re: RS6k 7012/320H woes
http://ps-2.kev009.com/rs6000/serialconsole.html On Tue, Nov 6, 2018 at 3:30 PM Carlos E Murillo-Sanchez via cctalk < cctalk@classiccmp.org> wrote: > Since RS6K systems have been mentioned recently, I thought I should ask > for advice. I have a Powerserver 320H with 32MB of RAM, an 8-port async > EIA-232 adapter, a SCSI adapter and a 400MB HD. No framebuffer or > keyboard; no LAN card. Because of the last issue, I haven't tried to do > much with it. I tried getting it to talk on the serial console (Serial > 1 connector in the back), following all the advice I found on the net: > The pinout of the MODU serial connector, the null modem cable with full > handshake (also driving the DCD line in the 320H). I turn it on in > service mode, and it spits a lot of LED codes, finds the HD, spins it up > and it apparently loads something (I suppose AIX) from it. But nothing > is ever sent out on the serial 1 port, or any other serial port. I > believe that during the POST it fails to initialize the serial 1 and 2 > ports, because the 320H's DTR and RTS lines are never asserted (the > ports in the async RS232 card do assert these on power up, but they are > equally silent). I made sure that the CTS, DSR and DCD inputs of the > 320H are being driven by the external terminal. > > I made a video of the LED codes during POST and found some problems; > here are the codes and their meaning: > > 120 BIST starting a CRC check on the 8752 EPROM. > 122 BIST started a CRC check on the first 32K bytes of the OCS EPROM. > 124 BIST started a CRC check on the OCS area of NVRAM. > 130 BIST presence test started. > 101 BIST started following reset. > 153 BIST started ACLST test code. > 154 BIST started AST test code. > 100 BIST completed successfully; control was passed to IPL ROS. > 211 IPL ROM CRC comparison error (irrecoverable). !!! > 214 Power status register failed (irrecoverable). !!! > 218 RAM POST is looking for good memory. > 219 RAM POST bit map is being generated. > 290 IOCC POST error (irrecoverable). !!! > 291 Standard I/O POST running. > 252 Attempting a Service mode IPL from 7012 DBA disk-attached > devices specified in IPL ROM Default Device List. > 253 Attempting a Service mode IPL from SCSI-attached devices > specified in the IPL ROM Default Device List. > 299 IPL ROM passed control to the loaded program code. > > 814 NVRAM being identified or configured. > > 538 The configuration manager is going to invoke a configuration > method. > 813 Battery for time-of-day, NVRAM, and so on being identified or > configured, or system I/O control logic being identified or > configured. > 538 The configuration manager is going to invoke a configuration > method. > 520 Bus configuration running. > 538 The configuration manager is going to invoke a configuration > method. > 869 SCSI adapter being identified or configured. > 538 The configuration manager is going to invoke a configuration > method. > 954 400MB SCSI disk drive being identified or configured. > 538 The configuration manager is going to invoke a configuration > method. > 539 The configuration method has terminated, and control has > returned to the configuration manager. > 551 IPL varyon is running. > 553 IPL phase 1 is complete. > > The code 290 above is particularly worrysome, I think. The NVRAM > battery reads 2.85 volts even after all these years. I reseated all of > the chips that are on bases, all of the cards, and connectors; there was > no change. Any ideas on how to proceed? > > carlos. > >
Re: OT: Newsreader for Windows
You can make a pretty nice native command line environment on Windows with “Windows Terminal” from Microsoft and the Chocolatey package manager (which is like homebrew for Mac or similar to apt for Debian). There is also WSL which lets you run a native Linux distro in a fairly integrated way. If you are into all that tin might be a good choice. Otherwise I have had good luck with Thunderbird as a Usenet client on any platform it is available. Regards, Kevin On Thu, Apr 1, 2021 at 10:36 AM Rob Jarratt via cctalk < cctalk@classiccmp.org> wrote: > I am hesitant to post this because I don't want to start a massive debate, > but what Newsreader programs do people use on Windows? > > > > I don't want to use Google Groups because it wants me to sign in to Google. > I am generally reluctant to use a browser based reader because it will want > to track me. So I am after an installable client. > > > > Thanks > > > > Rob > >
Re: Anyone know ancient versions of XLC?
On Mon, Apr 12, 2021 at 8:14 AM Liam Proven via cctech < cct...@classiccmp.org> wrote: > On Sun, 11 Apr 2021 at 19:46, David Schmidt via cctech > wrote: > > > > AIX 3.2.5 was so much leaner and meaner than 4.x that came along next... > > I never did warm up to it the same way. > > Twas ever thus, no? > > I remember an ad campaign for AIX when it was quite new... "We took > UNIX and added millions of lines of code to it." (Or words to that > effect.) To me and to a lot of other people, this did not sound like a > good thing... > Linux tends to churn that amount of code in a release. I find it interesting how large systemd has become as well: https://www.theregister.com/2020/01/06/linux_2020_kernel_systemd_code/ The rate of change to Linux literally keeps me up at night during incidents.. but attempting to tame this for an enterprise also pays the bills.. I find it peculiar so many people are ok with this model of computing but the jobs are good for the time being. > -- > Liam Proven – Profile: https://about.me/liamproven > Email: lpro...@cix.co.uk – gMail/gTalk/gHangouts: lpro...@gmail.com > Twitter/Facebook/LinkedIn/Flickr: lproven – Skype: liamproven > UK: +44 7939-087884 – ČR (+ WhatsApp/Telegram/Signal): +420 702 829 053 >
Re: PCIe/PCI I/O access (was: Re: VT340 Emulation)
Thanks this was interesting learning. On Sun, Jun 27, 2021 at 9:41 AM Maciej W. Rozycki via cctalk < cctalk@classiccmp.org> wrote: > On Sun, 27 Jun 2021, Paul Koning wrote: > > > > However both serial and parallel ports remain reasonably available as > > > PCIe option devices. Though parallel ports seem to be made as legacy > PCIe > > > devices only, that is accessed with I/O rather than memory read/write > bus > > > cycles, which are not, as I have learnt the hard way recently, > supported > > > by all computer systems nowadays. I guess x86 systems will continue > to > > > support them however as x86 CPUs have native I/O access instructions. > > > > I/O cycles on PCI have no direct connection to I/O instructions. I've > > routinely used I/O operations in PCI on a MIPS platform, which of course > > has no such concept; all that was needed is to send the memory cycles to > > the address block that the PCI bridge maps onto I/O cycles rather than > > memory cycles. > > That's not my point. The host bridge has to implement them and some do > not (e.g. the POWER9 PHB4). For CPU architectures that do not have native > I/O cycle support an MMIO window has to be defined by the host bridge for > memory cycles decoded within that window to be forwarded downstream as > PCIe I/O Read/Write TLPs (likewise with legacy PCI I/O Read/Write > cycles). > If you don't define such a window along with associated circuitry (like > with the PHB4), then there's simply no way to produce I/O TLPs on PCIe. > > When you have a CPU architecture such as x86 that does do I/O cycles > natively, then they're just forwarded by the host bridge as PCIe I/O > Read/Write TLPs. Of course one can envisage an x86 host bridge that won't > forward I/O cycles produced by the CPU to PCIe and will either terminate > them with a bus error or let them time out, but I find it highly > unlikely. > For one I suspect the circuitry required to terminate unclaimed host bus > I/O cycles is no less expensive than one to just forward them downstream; > after all a PCIe I/O TLP is told apart from a memory TLP merely by a > difference in a bit pattern sent downstream that encodes the cycle type, > one of several (likewise with PCI cycles). > > NB PCIe I/O Read/Write TLPs have been deprecated ever since the first > revision of the PCIe specification and PCIe devices that do require I/O > TLPs for operation have always been referred to as legacy PCIe devices. > I guess support for such devices has been added to the specification so as > to aid the industry with switching entirely to the MMIO operating model, > with initial PCIe devices expected to be implemented by placing the > original PCI/PCI-X ASIC behind a PCIe-to-PCI bridge, until new PCIe ASICs > have been made. For some option cards it seems the only way to date, e.g. > PCIe ATM network adapters. > > As it has turned out actual PCIe ASICs have been manufactured that do > require I/O Read/Write TLPs for their operation such as said IEEE 1284 > parallel ports. It's not actually clear to me why, but a plausible > explanation is they have been considered too niche at that point for the > effort required for the OS drivers to be updated. > > Maciej >
[cctalk] Re: very old UNIXes software, contact at typewritten?
On Thu, Dec 12, 2024 at 7:58 PM Henry Bent via cctalk wrote: > > On Thu, 12 Dec 2024 at 21:37, Cameron Kelly via cctalk < > cctalk@classiccmp.org> wrote: > > > I have a QIC tape that I’m looking to get the contents off of and was > > pointed in bear’s direction and he’s ignored my emails too. > > > > I guess it is best not to bother him. > > > > I stumbled on his website many years ago and emailed him several times. > Like the rest of you, I never got a response. I can only conclude that he > is someone who enjoys having a private collection and showing it off, but > is entirely uninterested in sharing - or perhaps, playing well - with > others. It's a bit presumptuous to be generous with other people's time. I've transacted with him, no issues and he has a remarkable and particularly well maintained collection. He seems active on some web forums like VCF. Maybe the email is not working or overwhelmed. > -Henry
[cctalk] Digital lemac (de203) datasheet?
Was a datasheet ever offered for the DEC 'lemac' series (de203/de204/de205)? Like the thing with all the registers and programming information not the installation guide. Regards, Kevin
