Re: PDP-Lifter

Very nice!!! Do you ship them? On Sat, Oct 7, 2017 at 12:53 AM, Steve Malikoff via cctalk < cctalk@classiccmp.org> wrote: > After the discussion last year about lifting and racking heavy gear, I > bodged together some hardware and > came up with the PDP-Lifter. It allows easy movement, lifting

PDP-Lifter

After the discussion last year about lifting and racking heavy gear, I bodged together some hardware and came up with the PDP-Lifter. It allows easy movement, lifting and lowering for racking and unracking equipment in 19" racks. Specifically for PDP-11's and the H960, but could be used for pret

Re: Control Data ad: Omega 480 "370 compatible alternative" on eBay

On 10/06/2017 07:59 AM, Anthony Bennett via cctalk wrote: Now here is the kicker. The 370 mainframes had swing gates with motherboards, and each motherboard had a couple of logic cards with components soldered on them. In IBM terminology, those "motherboards" were called "boards" and what plug

RE: Tektronix 8560 external hard disk connector [WAS: Re: The origin of SCSI]

Chris G. wrote: >This reminds me of something I wanted to ask for some time: >I've got a Tektronix 8560 where the internal hard disk is not that much >reliable anymore. No read/write errors, but after running for >some time (btw. >24h and 48h) it seems to reset. >Spin-down, spin-up, etc. until

Re: What's the matter with kids today (Was: The origin of the phrases

On Fri, 6 Oct 2017, ben via cctalk wrote: I have Knuth holding up my sofa. The leg broke on sofa, and set of books happen be just the right height. Do you have a Timex/Sinclair doorstop? That's not a Cray sofa, is it?

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/6/17 3:21 PM, ben via cctalk wrote: > I have Knuth holding up my sofa. and he hasn't started screaming yet?

Re: What's the matter with kids today (Was: The origin of the phrases

> On Oct 6, 2017, at 5:39 PM, Fred Cisin via cctalk > wrote: > >>> These students weren't quite ready for Knuth. They were second and third >>> semester. > > On Fri, 6 Oct 2017, Paul Koning wrote: >> Second and third semester of what, high school? Anyone qualified to be in a >> college CS

Re: TU58 Serial port address

On 06/10/2017 21:21, Noel Chiappa via cctalk wrote: > From: Rod Smallwood > I do not know the correct addresses or vectors I need so I can't set > them. > ... > State like this for each and every jumper required Sorry, too busy to type all that out. Jumper it for 7765

Re: Aaron Nabil & pdp-8.org

> On Oct 6, 2017, at 3:06 PM, Tomasz Rola via cctalk > wrote: > > Alas, http://www.aracnet.com/~healyzh/decemu.html times out. Probably gone > for good. Or rather, bad. Not to worry, that’s all on my hard drive, I just need time to move it to my own webserver. Zane

Re: Aaron Nabil & pdp-8.org

Any DNS records pointing to Aracnet or Spiritone servers, are erratic at best, at the moment. Zane > On Oct 6, 2017, at 2:07 PM, Ed via cctalk wrote: > > curious wonder why it works for some but not all... Ed# > > > In a message dated 10/6/2017 1:47:03 P.M. US Mountain Standard Time

Re: 32-bit x86 (was Re: The origin of the phrases ATA and IDE)

On 10/6/2017 2:26 PM, Eric Smith wrote: On Oct 6, 2017 12:42, "ben via cctalk" > wrote: On 10/05/2017 03:46 PM, Chuck Guzis via cctalk wrote: I recall an Intel engineer opining on the subject.  "We give you a 32-bit adv

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/6/2017 3:38 PM, Jack Harper via cctalk wrote: At 03:21 PM 10/6/2017, you wrote: On Fri, 6 Oct 2017, Chuck Guzis via cctalk wrote: I take it that your students didn't read Don Knuth's wonderful book on sorting and searching--the one with the fold-out chart on various tape sorts--including

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/6/2017 3:36 PM, Jack Harper wrote: We did actually design it with image processing algorithms that were too slow when we started - gambled that the hardware would catch up by product launch. And hope timing does not screw up with the next CPU revision. We run real-time video rate data t

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/06/2017 02:54 PM, emanuel stiebler via cctalk wrote: > I completely agree with you. (I probably should have put some smileys > in there somewhere). I do most of my work in embedded, and still > counting bytes, and searching for a better algorithms ... Algorithms, as I learned later in life,

RE: Aaron Nabil & pdp-8.org

I was both stuck out of town as well as suffering a local mbox snafu so I did not see this thread. If anyone managed to save it, and the owner cannot be contacted/found, I'd be happy to host it (or at least house it if permission is not obvious). J

Re: Aaron Nabil & pdp-8.org

On Fri, Oct 06, 2017 at 04:46:56PM -0400, Noel Chiappa via cctalk wrote: > > From: Vincent Slyngstad > > > Aaron's website seems to be working for me > > Anyone who still has access to it should down-load the entire thing promptly. > > Noel I am wget -r -np -nc -U lynx -w 2 -l 0

Re: What's the matter with kids today (Was: The origin of the phrases

On Fri, 6 Oct 2017, Noel Chiappa via cctalk wrote: > From: Jack Harper > I HATE and LOATHE bloatware - e.g., so much MicroSoft stuff. Some of us consider contemporary Linux/etc bloatware. systemd. 'nuff said. :) g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one

Re: What's the matter with kids today (Was: The origin of the phrases

Great link, Grumpy - I appreciate seeing it. Regards to the List from the Rocky Mountains, Jack At 03:47 PM 10/6/2017, you wrote: BTW, I have a signed copy of Don [knuth]'s first published work. (Potrzebie System Of Weights And Measures" in Mad Magazine June 1957.) On Fri, 6 Oct 2017, Jack

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

On Fri, 6 Oct 2017, Geoffrey Oltmans via cctalk wrote: Supposedly the Mac Plus SCSI implementation is slightly broken/non-standard (or at least draft standard), either in its drivers or the SCSI controller chip, so maybe that's what they were referring to. Even TRIVIAL differences can bite you.

Re: What's the matter with kids today (Was: The origin of the phrases

On 2017-10-06 15:35, Fred Cisin via cctalk wrote: On Fri, 6 Oct 2017, emanuel stiebler via cctalk wrote: It was fun optimizing/ tuning your software, when computers cost thousand of dollars, and the only thing which would make them go faster was to work on the algorithms. Now, it is much easier

Re: What's the matter with kids today (Was: The origin of the phrases

BTW, I have a signed copy of Don [knuth]'s first published work. (Potrzebie System Of Weights And Measures" in Mad Magazine June 1957.) On Fri, 6 Oct 2017, Jack Harper wrote: ps - Amazing - I had never heard of that! https://blog.codinghorror.com/the-enduring-art-of-computer-programming/ --

Re: What's the matter with kids today (Was: The origin of the phrases

These students weren't quite ready for Knuth. They were second and third semester. On Fri, 6 Oct 2017, Paul Koning wrote: Second and third semester of what, high school? Anyone qualified to be in a college CS program should be able to handle Knuth. community college, with lots of "returnin

Re: What's the matter with kids today (Was: The origin of the phrases

At 03:21 PM 10/6/2017, you wrote: On Fri, 6 Oct 2017, Chuck Guzis via cctalk wrote: I take it that your students didn't read Don Knuth's wonderful book on sorting and searching--the one with the fold-out chart on various tape sorts--including those for tape drives with "read backwards" capabilit

Re: What's the matter with kids today (Was: The origin of the phrases

I hate the Graphics interface concept like the Web Browsers. Click on this, click on that! Wait 30 seconds for some banner ad to download so you can read your page. So Jack does your favorite developer send a new PC so you run his product? Well, actually we do exactly that - http://secu

Re: What's the matter with kids today (Was: The origin of the phrases

On Fri, 6 Oct 2017, emanuel stiebler via cctalk wrote: It was fun optimizing/ tuning your software, when computers cost thousand of dollars, and the only thing which would make them go faster was to work on the algorithms. Now, it is much easier to make it faster. Just buy a faster bigger one, a

Re: What's the matter with kids today (Was: The origin of the phrases

> On Oct 6, 2017, at 5:21 PM, Fred Cisin via cctalk > wrote: > > On Fri, 6 Oct 2017, Chuck Guzis via cctalk wrote: >> I take it that your students didn't read Don Knuth's wonderful book on >> sorting and searching--the one with the fold-out chart on various tape >> sorts--including those for ta

Re: What's the matter with kids today (Was: The origin of the phrases

On 2017-10-06 15:25, emanuel stiebler via cctalk wrote: On 2017-10-06 14:39, Chuck Guzis via cctalk wrote: On 10/06/2017 12:08 PM, Fred Cisin via cctalk wrote: I take it that your students didn't read Don Knuth's wonderful book on sorting and searching--the one with the fold-out chart on vari

Re: What's the matter with kids today (Was: The origin of the phrases

On 2017-10-06 15:25, emanuel stiebler via cctalk wrote: It would probably heart their feelings, and kick them into an emotional crisis, looking for a safe space ;-) hurt, sorry ;-)

Re: What's the matter with kids today (Was: The origin of the phrases

On 2017-10-06 14:39, Chuck Guzis via cctalk wrote: On 10/06/2017 12:08 PM, Fred Cisin via cctalk wrote: I take it that your students didn't read Don Knuth's wonderful book on sorting and searching--the one with the fold-out chart on various tape sorts--including those for tape drives with "rea

Re: What's the matter with kids today (Was: The origin of the phrases

On Fri, 6 Oct 2017, Chuck Guzis via cctalk wrote: I take it that your students didn't read Don Knuth's wonderful book on sorting and searching--the one with the fold-out chart on various tape sorts--including those for tape drives with "read backwards" capability. Shame--I found that to be a very

Re: What's the matter with kids today (Was: The origin of the phrases

On Fri, 6 Oct 2017, Jack Harper wrote: Interesting Stuff... One of my heroes - Ray Kurzweil https://en.wikipedia.org/wiki/Ray_Kurzweil - says that when he builds a new product that he always projects what the computer horsepower will be like when the product is ready to launch. Say, an 18-month

Re: Aaron Nabil & pdp-8.org

curious wonder why it works for some but not all... Ed# In a message dated 10/6/2017 1:47:03 P.M. US Mountain Standard Time, cctalk@classiccmp.org writes: > From: Vincent Slyngstad > Aaron's website seems to be working for me Anyone who still has access to it should down-load the en

Re: What's the matter with kids today (Was: The origin of the phrases

> From: Jack Harper > I HATE and LOATHE bloatware - e.g., so much MicroSoft stuff. Some of us consider contemporary Linux/etc bloatware. Noel

Re: Aaron Nabil & pdp-8.org

> From: Vincent Slyngstad > Aaron's website seems to be working for me Anyone who still has access to it should down-load the entire thing promptly. Noel

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/06/2017 12:08 PM, Fred Cisin via cctalk wrote: > But, it is a common attitutde. I gave an assignment of writing a > program that could sort a data set that was too big to fit into > memory. Students COMPLAINED (including complaint to the dean), saying > that the "CORRECT" solution is repla

Re: Aaron Nabil & pdp-8.org

> On Oct 6, 2017, at 4:19 PM, Tomasz Rola via cctalk > wrote: > > ... > Of course a site may go any moment. Any site, I mean. True. If it's still around (even if only via IP address), judicious use of "wget" can preserve the whole thing. I did that with a particularly interesting website I

32-bit x86 (was Re: The origin of the phrases ATA and IDE)

On Oct 6, 2017 12:42, "ben via cctalk" wrote: On 10/05/2017 03:46 PM, Chuck Guzis via cctalk wrote: > >> >> >> I recall an Intel engineer opining on the subject. "We give you a >> 32-bit advanced architecture CPU and you p*ss it away running DOS." >> >> Compatibility is a tough mistress. >> >> -

Re: TU58 Serial port address

> From: Rod Smallwood > I do not know the correct addresses or vectors I need so I can't set > them. > ... > State like this for each and every jumper required Sorry, too busy to type all that out. Jumper it for 776500/300. Noel

Re: What's the matter with kids today (Was: The origin of the phrases

On 10/6/2017 1:54 PM, Jack Harper via cctalk wrote: Interesting Stuff... One of my heroes - Ray Kurzweil https://en.wikipedia.org/wiki/Ray_Kurzweil - says that when he builds a new product that he always projects what the computer horsepower will be like when the product is ready to launch.

Re: Aaron Nabil & pdp-8.org

On Thu, Oct 05, 2017 at 09:09:12PM -0700, Zane Healy via cctalk wrote: > I’m not sure if Aaron’s website was offline prior to the last couple > days or not, as I honestly don’t remember the last time that I [...] Hi, I have loaded the homepage in a browser and were able to download one papertape

Re: What's the matter with kids today (Was: The origin of the phrases

Interesting Stuff... One of my heroes - Ray Kurzweil https://en.wikipedia.org/wiki/Ray_Kurzweil - says that when he builds a new product that he always projects what the computer horsepower will be like when the product is ready to launch. Say, an 18-month development cycle, then design th

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

On 10/5/2017 4:19 PM, allison via cctalk wrote: On 10/05/2017 03:46 PM, Chuck Guzis via cctalk wrote: On 10/05/2017 04:22 AM, allison via cctalk wrote: Funny the market knew of the 386 in the fall of '85 but it would be three years before I'd see one in the field. Disks and CPUs lagged the in

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

On 10/05/2017 03:46 PM, Chuck Guzis via cctalk wrote: I recall an Intel engineer opining on the subject. "We give you a 32-bit advanced architecture CPU and you p*ss it away running DOS." Compatibility is a tough mistress. My neighbor at one of the West Coast Computer Faires had a new 386 com

What's the matter with kids today (Was: The origin of the phrases

Moore's law only worked for hardware, software lagged typically two years behind. Ah, but some software companies try to "keep up". One way is to write all software to REQUIRE hardware that came out this year^H^H^H^H month^H^H^H^H^H week. For those of us who do not buy all new equipment every

Re: Control Data ad: Omega 480 "370 compatible alternative" on eBay

Itel was basically a rebrander. AS/5 was a National Advance system under the covers, and AS/6 was a Hitachi HITAC M180. -- Will On Fri, Oct 6, 2017 at 12:47 PM, Al Kossow via cctalk wrote: > > > On 10/6/17 5:59 AM, Anthony Bennett via cctalk wrote: >> If this is the machine that I am thinking of

More Free Dec (Mostly) Stuff Baltimore Maryland USA

Hiya, Purge continues I have 4 Dec "Pizza Box" Xterms A couple smaller Dec Dot Matrix Printers An Apple Imagewriter A Dec Repeater 200 A later Storage Works Pizza Box Slab A set of hard copy Open VMS documentation (Soft Bound) A ratty beat up PDP 11/03 ?? Backplane and Power supply (Appear

RE: (Classic Computers) HP 7970 1/2" 9-Track Reel-to-Reel Tape Drive

On Tuesday, October 3, 2017 at 20:58, Jay West via cctalk wrote: > Wasn't there some deal where a M/E/F could drive it at 45ips but a 2100 > couldn't (next lower speed)?? You might be thinking of the limitation regarding the use of the 12992D Magnetic Tape Loader ROM with a 1000 M-Series and a

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

> On Oct 5, 2017, at 6:19 PM, allison via cctalk wrote: > > Moore's law only worked for hardware, software lagged typically two > years behind. There's a more cynical view, sometimes called "the virtual disease", which is that software performance is constant because all the gains from Moore's

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

On Thu, Oct 5, 2017 at 1:50 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > > You could well be right--I do recall that there was "Mac SCSI" and then > the slightly different "Everyone else's SCSI". I ran into this when > talking with some SMS/OMTI engineers about an ST506-to-SCSI br

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

On 6 October 2017 at 06:11, r.stricklin via cctalk wrote: > > Notwithstanding the first Macintosh models lacked SCSI entirely. The first > Macintosh with SCSI was the Plus, in 1986. Well, this is true, but then again, there weren't many models of Mac before the Mac Plus, were there? AFAIK there

Re: Control Data ad: Omega 480 "370 compatible alternative" on eBay

On 10/6/17 5:59 AM, Anthony Bennett via cctalk wrote: > If this is the machine that I am thinking of, it was made by Intel and > marketed by them as the AS/5. Itel https://books.google.com/books?id=ICoe1vr9x3kC&pg=PA96&lpg=PA96&dq=itel+as/5&source=bl&ots=jsweeLSiOi&sig=biw8zHV3wpRKxD3dDrK26NB9

Re: TU58 Serial port address

On 10/06/2017 11:22 AM, systems_glitch via cctalk wrote: > AFAIK the DZQ11 uses a totally different register layout than the > DL11/DLV11 and won't work with any OS or bootstrap for TU58 -- at least not > without modification. The simple thing to do is get a DLV11 and set it up > as SLU0 for TU58.

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

On Oct 5, 2017, at 11:18 AM, Tom Gardner via cctech wrote: > I was at Shugart at that time and to the best of my recollection Apple was > not a driver of the ANSI activity. > The Macintosh shipped in January 1984 well after the ANSI SCSI work started > and its major distinguishing feature was t

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

On 10/05/2017 09:39 PM, Jerry Weiss via cctalk wrote: > The DK Driver for VMS versions around 5.x definitely had a problem with > non-DEC disks. 6.X and greater were slightly more forgiving. Having many of the era DEC VAX I can say the only SCSI issue I had was the boot disk greater than 1.07 GB

Re: Control Data ad: Omega 480 "370 compatible alternative" on eBay

Chris, If this is the machine that I am thinking of, it was made by Intel and marketed by them as the AS/5. Control Data sold it as the Omega system, but I am not clear on the "480" nomenclature. It was equivalent to the IBM 370/158, and not only was capable of running 370/158 o

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

On 10/05/2017 05:37 PM, Chuck Guzis via cctalk wrote: > On 10/05/2017 01:27 PM, Paul Berger via cctalk wrote: > >> I once had a Tecmar SASI adapter (I still have the documentation >> and diskette) I seem to recall that it was mostly buffers which >> would suggest that most of the work was done by

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

On 10/05/2017 03:46 PM, Chuck Guzis via cctalk wrote: > On 10/05/2017 04:22 AM, allison via cctalk wrote: > >> Funny the market knew of the 386 in the fall of '85 but it would be >> three years before I'd see >> one in the field. Disks and CPUs lagged the introductions by years due >> to cost. >

Re: TU58 Serial port address

Manual is no help. It tells you how to set the jumpers but not which ones for this situation. I do not know the correct addresses or vectors I need so I can't set them. So..   for this specific case ..  1. What do I connect to what  to get the TU58 connected to the 11/73 at 19200 baud

Re: Aaron Nabil & pdp-8.org

I don’t know what happened to Aaron, I’ve not spoken with him in years. The company he used to work for, which has been housing his website, appears to be in the process of falling apart. As it happens, I host my DEC Emulation pages with them as well. Zane > On Oct 6, 2017, at 8:53 AM, Ed

Re: Aaron Nabil & pdp-8.org

OK got it but some missing but some of that seems to be external sites that are belly up. Ed# In a message dated 10/6/2017 8:53:07 A.M. US Mountain Standard Time, cctalk@classiccmp.org writes: go to archive.org and suck down a copy of it. multiple people should keep copies? Did

Re: TU58 Serial port address

Whatever SLU number means "at 176500" :) Always been confused by the naming for SLUs vs. "channels" on e.g. the DLV11-J Rod, you set the jumpers according to the manual: http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/qbus/EK-DLV1J-UG-001_DLV11-J_Users_Guide_Oct78.pdf The default config wil

Re: Aaron Nabil & pdp-8.org

go to archive.org and suck down a copy of it. multiple people should keep copies? Did the fellow pass away? Ed# In a message dated 10/6/2017 6:21:36 A.M. US Mountain Standard Time, cctalk@classiccmp.org writes: > On Oct 6, 2017, at 5:10 AM, Peter Coghlan via cctalk wrote: > >

Re: TU58 Serial port address

> From: systems_glitch > get a DLV11 and set it up as SLU0 for TU58 I think you meant SLU1, no? That's the standard for the TU58 (SLU0 is the console). Noel

Re: TU58 Serial port address

AFAIK the DZQ11 uses a totally different register layout than the DL11/DLV11 and won't work with any OS or bootstrap for TU58 -- at least not without modification. The simple thing to do is get a DLV11 and set it up as SLU0 for TU58. They're fairly cheap/common, I have a few if you can't find one e

TU58 Serial port address

Hi   I have a TU58 - yes a real one - yes it works (sticky rollers fixed) . How do I know - tested it on a PC at 19200 baud.       I also have a DZQ11  M3106 4 Async. Line Board and cab kit with four RS232 connectors.       My 11/73 has a KDJ11-B so the console SLU is already set up.  

Re: Aaron Nabil & pdp-8.org

> On Oct 6, 2017, at 5:10 AM, Peter Coghlan via cctalk > wrote: > > ... > Same here. I get a "server failed" DNS error when trying to look up pdp8.org. I get "No such domain" both from my own DNS server, and from the one at Google (8.8.8.8). But "whois" shows the name registered to Aaron, e

Re: Aaron Nabil & pdp-8.org

Jim Stephens wrote: On 10/5/2017 11:28 PM, Vincent Slyngstad via cctalk wrote: From: "Zane Healy via cctalk" Sent: Thursday, October 05, 2017 9:09 PM I'm not sure if Aaron's website was offline prior to the last couple days or not, as I honestly don't remember the last time that I visited, b

Re: Aaron Nabil & pdp-8.org

On 10/5/2017 11:28 PM, Vincent Slyngstad via cctalk wrote: From: "Zane Healy via cctalk" Sent: Thursday, October 05, 2017 9:09 PM I’m not sure if Aaron’s website was offline prior to the last couple days or not, as I honestly don’t remember the last time that I visited, but it’s offline now.