On Tue, Jun 16, 2015 at 04:32:23AM +, tony duell wrote:
>
> Oh come on. You yourself said you are here to learn. This module
> is hardly complicatated.
Well, you got me there :)
/P
On 6/15/2015 5:10 PM, Sean Caron wrote:
I thought I'd take a quick spin through the operating systems section of my
library now that I'm at home just to give you some titles that you might
want to check out.
1. Toby mentions Tanenbaum's Minix book and that's a fairly canonical text
... there is
I thought I'd take a quick spin through the operating systems section of my
library now that I'm at home just to give you some titles that you might
want to check out.
1. Toby mentions Tanenbaum's Minix book and that's a fairly canonical text
... there is a lot of great information in there but IM
>
> Date: Mon, 15 Jun 2015 05:01:36 +
> From: tony duell
> Subject: RE: PDP-12 Restoration at the RICM (tony duell)
> >
> > Tony, thank you for your offer to supply replacement M452 Variable Clock
> > modules for the console. We already have one jumpered for 110 baud for
> the
> > Teletype. Th
>
> The M452 creates a 110 Hz clock for the TTY transmitter and a 880 Hz clock
> for the TTY receiver.
Does it? The prints I have show the 2 outputs with a factor of 4 (not 8) in
frequency.
> The M405 for the DP12-B serial port generated a clock that is 16x the baud
> rate which is then divided
I suppose it depends on what you're working on ... I have a BSEE but only
practice as a hobby ... and I am still mostly in the DIP, through-hole era
... by choice, I suppose ... I wanted to move beyond the level of depending
on pre-manufactured development or demonstrator boards and understand how
From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Mark J. Blair
[n...@nf6x.net]
Sent: 16 June 2015 06:06
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Serial UNIBUS Repeater?
> > [11/730]
> >
> >> for that slot (though one of t
Good Morning All Panel Fans!!
According to the shippers the first consignments of PDP-8/e front panels
were delivered in the US yesterday,
Confirmations and comments to me please.
Rod Smallwood
> On Jun 15, 2015, at 21:59, tony duell wrote:
> Even though there are at least 4 different USB connectors
Ok, you got me there! When I was working for a GPS startup, I used mini-B on
everything I designed with USB (always devices, never hosts, and no need for
USB OTG). Then we got bought
>
> > But if you are going to repair/restore something then IMHO it makes a lot of
> > sense to have common spares around.
>
> Agreed! But you generally tend to accumulate those spares *after* you have
> been involved in that particular
True. I wil bet you didn't have firearm spares when you f
> On Jun 15, 2015, at 21:55, tony duell wrote:
>
> [11/730]
>
>> for that slot (though one of the later front-loaders would probably fit). If
>> you don't need an RL02 drive, then i
>
> That's what they did. There was a third (later) packaged system with the CPU,
> an R80 under it and a fro
> On Jun 15, 2015, at 21:40, tony duell wrote:
>
> Exactly. I don't do firearms at all (we have various IMHO ridiculous laws in
> the UK,
> but I do not want to start that debate)
Sorry I even brought it up; I was just using it as an example of the different
specializations that each person m
>
> In my opinion, the magic is inside the transistor. Once you bottle enough
> magic to make a good transistor, the
> rest is pretty straightforward. :)
Err, yes... It is impossible to understand the transistor using classical
physics
People have made transistors at home, even made their
On 6/15/2015 7:58 PM, Toby Thain wrote:
It's also one of the papers in the Brinch Hansen book cited earlier in
the thread. (Google books: http://ur1.ca/mu61v )
Too much $$ for me at the moment (even online version).
--Toby
Ben.
Does anyone happen to know what sort of computers Fairchild would have been
using in the late 60's for design work?
Zane
[11/730]
> In mine, an RL02 drive is the third unit of the rack containing the CPU
> cabinet, and the TU80 tape drive is too tall
As I understand it, there were intitially 2 'packaged' systems. One had the CPU
with an RL02 under it for the
OS disk and an RL02 on top for the user disk. The oth
On 6/15/2015 7:55 PM, Toby Thain wrote:
(The Structure of the "THE"-Multiprogramming System")
Are you sure? http://ur1.ca/mu60x
--Toby
I saw that paper before. Ben.
> On Jun 15, 2015, at 21:28, tony duell wrote:
> As am I. I've learnt a heck of a lot since I started (there is a common myth
> that there is something magic about a processor. This hobby has taught
> me to understand quite a few at the gate level). And the day I stop learning
> is the day I am i
> On Jun 15, 2015, at 21:20, tony duell wrote:
>
> Mine did start out as the 'packaged' system in the half-rack, and I intend to
> keep it in that cabinet.
> Obviously I will keep the CPU and R80, but I am not sure if the tape drive is
> the most useful
> third unit at this stage.
In mine,
> > I could replace an M1 Carbine trigger spring on the spot, or a HMMWV
> > taillamp housing ... Should I criticize you for not having SAE grade 8
> > hardware on hand, or Bristo wrenches
>
> I think Tony's point was that someone who's into vintage computers ought to
> have a stock of
> >
> > I am very worried that people would rather use a microcontroller than change
> > a couple of passives. Can't anyone read a schematic and think
>
> Nope. I didn't know this hobby required a degree in electrical
> engineering.
Well it had better not. I don't have one
> By your criteria
> >
> > Unfortunately I believe you. Use at least a thousand times more components
> > than
> > you need to.
>
> Actually it's just two, a Teensy and a usb cable. (Sorry, I couldn't
> resist).
I am of course counting all the transistors inside that chip.
> How do you suggest I learn? I believe
[My 11/730]
> Sorry to hear that it's been decabled. Take your time to route those cables
> through the bottom pan properly,
Yes, it's going to be a lot of work to get it back together.
I think I am going to start (when I have got the machine room straightened out,
etc) with the 2 parts
of t
> > I am very worried that people would rather use a microcontroller than change
> > a couple of passives. Can't anyone read a schematic and think
>
> The exact same argument could be made for somebody using an NE555 instead of
> discrete transistors to blink an
> LED, or discrete transistor
> > Why not do it properly first time? What is the rush in bringing up a
> > classic computer? And for a test,
> > use the TTL pulse generator you have on your bench.
>
> I don't have one. I have a lot of test equipment, but mostly for RF work. If
> I needed to generate TTL pulses, I'd
> proba
On 2015-06-15 9:55 PM, Toby Thain wrote:
On 2015-06-15 9:21 PM, ben wrote:
On 6/15/2015 7:11 PM, Paul Koning wrote:
On Jun 15, 2015, at 8:09 PM, ben wrote:
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly
timeless.
The latest version is *us
On 2015-06-15 9:21 PM, ben wrote:
On 6/15/2015 7:11 PM, Paul Koning wrote:
On Jun 15, 2015, at 8:09 PM, ben wrote:
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly
timeless.
The latest version is *useless*. The racoons on the cover tells
alo
>> Or you could just read â¿¿The structure of the THE operating
>> systemâ¿¿ by E.W.Dijkstra, and follow its principles.
> b) Most likely in German
German? With an English title, I'd guess it'd be in English, and IIRC
the E in THE stands for Eindhoven, which I'm pretty sure is in the
Netherlands
On 6/15/2015 7:11 PM, Paul Koning wrote:
On Jun 15, 2015, at 8:09 PM, ben wrote:
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly
timeless.
The latest version is *useless*. The racoons on the cover tells
alot.
Or you could just read “The st
On 2015-06-15 9:11 PM, Paul Koning wrote:
On Jun 15, 2015, at 8:09 PM, ben wrote:
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly timeless.
The latest version is *useless*. The racoons on the cover tells alot.
Or you could just read “The s
> On Jun 15, 2015, at 8:09 PM, ben wrote:
>
> On 6/15/2015 4:42 PM, Toby Thain wrote:
>
>> I think Tanenbaum should be fine? A lot of it is fairly timeless.
>
> The latest version is *useless*. The racoons on the cover tells alot.
Or you could just read “The structure of the THE operating sys
On 2015-06-15 8:09 PM, ben wrote:
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly timeless.
The latest version is *useless*. The racoons on the cover tells alot.
I figured, although I haven't seen it. My copy is 1987.
https://archive.org/d
On 6/15/2015 4:42 PM, Toby Thain wrote:
I think Tanenbaum should be fine? A lot of it is fairly timeless.
The latest version is *useless*. The racoons on the cover tells alot.
https://archive.org/details/OperatingSystemsDesignImplementation
I was looking all over for this version, online.
> On Jun 15, 2015, at 16:26 , Mike Ross wrote:
>
> Strobe Data make something like half of what you need:
>
> http://www.strobedata.com/home/unibusfw.html
>
> Unfortunately IIRC it's an 'if you have to ask the price you can't
> afford it' kind of deal...
Interesting! Thanks for sharing! I co
Strobe Data make something like half of what you need:
http://www.strobedata.com/home/unibusfw.html
Unfortunately IIRC it's an 'if you have to ask the price you can't
afford it' kind of deal...
Mike
On Tue, Jun 16, 2015 at 3:57 AM, Mark J. Blair wrote:
> Has anybody ever made a UNIBUS repeater
On 2015-06-15 12:18 PM, ben wrote:
On 6/15/2015 9:08 AM, Toby Thain wrote:
On 2015-06-15 9:35 AM, Dave G4UGM wrote:
I don't think it is over kill. If you want over kill try this:-
https://www.youtube.com/watch?v=ALXax3Gydl8
and FPGA implementation of the Baby or SSEM which had 32x32 bits of
> On Jun 15, 2015, at 14:27 , Robert Jarratt
> wrote:
> This particular thread has all the hallmarks of one that *could* descend
> into a flame war. Thank you for avoiding that!
I think we're doing ok. The same folks having a spirited debate in this thread
are carrying on just fine together in
On 2015-06-15 12:57 PM, Dave G4UGM wrote:
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of ben
Sent: 15 June 2015 17:18
To: cctalk@classiccmp.org
Subject: Re: FPGA tricks - Re: using new technology on old machines. Was:
PDP-12 Restoration at the RICM
On
> On Jun 15, 2015, at 15:07 , Noel Chiappa wrote:
>
> One wonders why some manufacturer didn't realize there was money to be made
> in smaller cards (now less competition, but still enough demand to drive the
> prices up) and keep making them.
Because the chip fab equipment that was used to mak
> On Jun 15, 2015, at 14:19 , Noel Chiappa wrote:
> I think Tony's point was that someone who's into vintage computers ought to
> have a stock of suitable parts for them.
Yes, that'll likely be true once they have been in the hobby for a while. But
for somebody who has gotten into it recently,
> From: Dave G4UGM
> Trouble is that although smaller SD cards were available they were way
> more expensive (being discontinued and therefore rare and valuable)..
One wonders why some manufacturer didn't realize there was money to be made
in smaller cards (now less competition, but
> On Jun 15, 2015, at 14:56 , Dave G4UGM wrote:
>
> A friend of mine refused to buy modern SD Cards because there was no way he
> was going to fill them. Trouble is that although smaller SD cards were
> available they were way more expensive (being discontinued and therefore
> rare and valuable)
A friend of mine refused to buy modern SD Cards because there was no way he
was going to fill them. Trouble is that although smaller SD cards were
available they were way more expensive (being discontinued and therefore
rare and valuable).. He struggled with buying a larger card only to waste
most
On Jun 15, 2015, at 2:36 PM, Ian McLaughlin wrote:
> Does your reader have any other ‘brands’ of 2716 you could try? What about
> trying to read it as a 2732? Looking at the pinouts it looks like the only
> difference is pin 21 which is Vpp (programming voltage) on a 2716 and A11 on
> a 2732.
On Jun 15, 2015, at 2:19 PM, Noel Chiappa wrote:
> Having said that, _I_ don't have 2N3904s nor NE555s around either! I do have
> a modest number of parts (e.g. 4164's, 40-ping Berg shells, .250 tab
> hardware, etc, etc) - a large enough collection that I just had to
> re-organize and add more p
The NatSemi MM2716Q is definitely the ‘normal’ single rail EPROM. The TMS2716
is the TI version that is 3-rail. A quick test would be to measure pin 19 in
circuit. If this is 12v, then it’s expecting a TI part.
Does your reader have any other ‘brands’ of 2716 you could try? What about
tryin
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Pontus
> Pihlgren
> Sent: 15 June 2015 22:06
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: using new technology on old machines. Was: PDP-12 Restoration
at
> the RICM
>
> On Mon,
On Jun 15, 2015, at 2:01 PM, Josh Dersch wrote:
> I have an ACS 8000-10 at home (which I believe is the same machine with a
> smaller hard drive), let me see if I can read the EPROM out of it tonight…
It actually might be essentially the same machine. From what I can tell the 15A
originally sh
On Jun 15, 2015, at 1:56 PM, Ian McLaughlin wrote:
> All zeroes is really strange - a blank EPROM is all ones, so it’s not that it
> got exposed to UV light.
It definitely does seem strange. I wonder if maybe it’s a TI style 2716? It’s a
National Semiconductor MM2716Q.
--
Follow me on twitte
> From: Mark J. Blair
> I could replace an M1 Carbine trigger spring on the spot, or a HMMWV
> taillamp housing ... Should I criticize you for not having SAE grade 8
> hardware on hand, or Bristo wrenches
I think Tony's point was that someone who's into vintage computers ought to
On Mon, Jun 15, 2015 at 01:59:11PM -0700, Mark J. Blair wrote:
>
> Big. VERY big. :)
>
> And one more thing (until the next thing comes to mind): I consider
> this to be an enjoyable and level-headed debate, just in case anybody
> gets the mistaken impression that I'm trying to come down hard on
On Mon, Jun 15, 2015 at 1:52 PM, Chris Osborn wrote:
> Found a single 2716 EPROM on the Altos and pulled it out and read it in
> with my MiniPro TL866CS and it comes back as entirely 00. Since that seemed
> pretty odd I grabbed another 2716 out of an old Nintendo board and it reads
> fine, so I'm
> On Jun 15, 2015, at 13:53 , Pontus Pihlgren wrote:
> No but I would put an electric heater in a steam engine if it meant
> restoration would progress faster.
As long as you don't damage the firebox installing your heater, what's the big
deal? Making first steam is going to be a gradual and c
All zeroes is really strange - a blank EPROM is all ones, so it’s not that it
got exposed to UV light.
Ian
> On Jun 15, 2015, at 1:52 PM, Chris Osborn wrote:
>
> Found a single 2716 EPROM on the Altos and pulled it out and read it in with
> my MiniPro TL866CS and it comes back as entirely 00.
> On Jun 15, 2015, at 13:46 , Pontus Pihlgren wrote:
>
> On Mon, Jun 15, 2015 at 04:55:57PM +, tony duell wrote:
>>
>> Unfortunately I believe you. Use at least a thousand times more components
>> than
>> you need to.
>
> Actually it's just two, a Teensy and a usb cable. (Sorry, I couldn'
Found a single 2716 EPROM on the Altos and pulled it out and read it in with my
MiniPro TL866CS and it comes back as entirely 00. Since that seemed pretty odd
I grabbed another 2716 out of an old Nintendo board and it reads fine, so I'm
pretty sure the TL866CS can read 2716.
I have a feeling th
On Mon, Jun 15, 2015 at 04:53:01PM +, tony duell wrote:
>
> > I also think it is in the spirit of the computer - using what is available
> > to fix a problem at hand. I think the arduino was overkill when an attiny
> > (smaller, easier to hide) would probably serve just as well.
>
> Would you
On Mon, Jun 15, 2015 at 07:15:14PM +, tony duell wrote:
>
> I am very worried that people would rather use a microcontroller than change
> a couple of passives. Can't anyone read a schematic and think
Nope. I didn't know this hobby required a degree in electrical
engineering.
By your cr
> On Jun 15, 2015, at 11:54 , tony duell wrote:
> Ah, 'there's not the time to do it properly, but there is the time to do it
> again'.
>
> Why not do it properly first time? What is the rush in bringing up a classic
> computer?
Sorry for yet another reply, but I didn't think of this until ju
On Mon, Jun 15, 2015 at 04:55:57PM +, tony duell wrote:
>
> Unfortunately I believe you. Use at least a thousand times more components
> than
> you need to.
Actually it's just two, a Teensy and a usb cable. (Sorry, I couldn't
resist).
>
> In general this worries me if you are restoring a
> On Jun 15, 2015, at 11:41 , tony duell wrote:
>
> My 11/730 was totally decabled to get it to me. I think I have most of the
> original cables, and most of the
> metalwork. I've read the descriptions in the hardware manual on bitsavers and
> I am not looking forward to
> routing all those
> On Jun 15, 2015, at 12:15 , tony duell wrote:
>
> I am very worried that people would rather use a microcontroller than change
> a couple of passives. Can't anyone read a schematic and think
The exact same argument could be made for somebody using an NE555 instead of
discrete transistors
if you want to save permanently you need to set this before you boot,
whatever command you use to actually boot.
>>> set boot_osflags 0,0
I thought for the 4000 specifically (colon, no equal sign)
>>> boot/r5:0
... to bypass conversational boot
On Mon, Jun 15, 2015 at 1:35 PM, Richard Loken <
If you mean boot directly so that you don't have to CONTINUE:
>From the >>> prompt
>>> set boot_osflags 0,0
>>> boot/1 DKA300:
Let me know if that does not work, recalling from memory...
Bill
On Mon, Jun 15, 2015 at 1:04 PM, Marco Rauhut
wrote:
> Hello list!
>
> I try to autoboot my Vaxstati
> Tony, thank you for your offer to supply replacement M452 Variable Clock
> modules for the console. We already have one jumpered for 110 baud for the
> Teletype. The other two M452 modules should be jumpered for 9600 baud and
> 38400 baud. The second serial port uses a M405 Crystal Clock module
> On Jun 15, 2015, at 11:54 , tony duell wrote:
> Why not do it properly first time? What is the rush in bringing up a classic
> computer? And for a test,
> use the TTL pulse generator you have on your bench.
I don't have one. I have a lot of test equipment, but mostly for RF work. If I
needed
> On Jun 15, 2015, at 11:59 , tony duell wrote:
>
>
>> I also may dump the console firmware PROMs at some point. I've already done
>> some preliminary
>> disassembly of the TU58 firmware.
>
> I am pretty sure I dumped all the PROMs and PALs in the CPU of my 11/730 (but
> not the ones in the
> We're talking about putting in a rather complex computer to generate a
> baud rate. Are people really that handicapped when it comes to building
> hardware nowadays? Are people aware how easy baud generators are?
I've jsut turned up the M452 schematic. Has anyone else looked at it?
It's a RC
> On Jun 15, 2015, at 9:17 AM, Guy Sotomayor wrote:
>
>
>> On Jun 15, 2015, at 9:15 AM, Guy Sotomayor wrote:
>>
>> For a while now, folks have been asking me about UA11s. I've been putting
>> them off because I'm sure I have some boards but can't find them until I
>> unpack the "basement"
> I also may dump the console firmware PROMs at some point. I've already done
> some preliminary
> disassembly of the TU58 firmware.
I am pretty sure I dumped all the PROMs and PALs in the CPU of my 11/730 (but
not the ones in the
R80) long before there was a bitsavers. I can see if I can fin
On my phone right now. Might type more after lunch.
I think I have some 730 manuals that are not yet on Bitsavers. Some original
and some photocopies. I plan to scan all of them.
I also may dump the console firmware PROMs at some point. I've already done
some preliminary disassembly of the TU
Now my system boots automaticaly! Thanks to all!
>>> SET BOOT DKA300: #set standard boot device
>>> SET BFLG 0 #set R5 to 0 -> That`s the missing trick!
SET HAPPY = 1 ;-)
Marco
Am 15.06.2015 um 19:45 schrieb Johnny Billquist:
On 2015-06-15 19:04, Marco Rauhut wrote:
Hello list
> >
> > Would you put plastic handles on a piecc of antique furniture? Would you
> > make the seatboard for an antique longcase clock from MDF?
> > Both are easily reversable, BTW.
>
> Sure! Temporarily and reversibly, of course, and I'd hope to replace them
> with proper stuff when possible. But
> That's a much better description of the 730's mechanical peculiarities than I
> came up with. I was more concerned
> with cable management between the two racks, since I have them in a tiny room
> where I need to roll them
> around to get access to the back (it's literally a tiny bedroom in
> > The bad thing with the 11/750 is that is has so many socketed TTL gate
> > array chips. Sockets are bad. And gate arrays are bad. In that sense I
Years ago I was offered an 11/750 and turned it down as soon as I saw
inside the cardcage. No way would I want to maintain that mass of
custom gate
> On Jun 15, 2015, at 11:06 , Mattis Lind wrote:
>
> Well. I am probably working on to much simultaneously.
I am very guilty of that, too! :)
> Then I compiled your fork of tu58em on github. And it worked perfect. I
> didn't need to use the special vax mode that you have implemented though.
>
> On Jun 15, 2015, at 09:53 , tony duell wrote:
>
>
>> I also think it is in the spirit of the computer - using what is available
>> to fix a problem at hand. I think the arduino was overkill when an attiny
>> (smaller, easier to hide) would probably serve just as well.
>
> Would you put plast
2015-06-15 17:32 GMT+02:00 Mark J. Blair :
> I wasn't aware that you are working on a 750 repair. Congratulations on
> the progress you have already made! Are you using real console tapes,
> tu58em, or something else?
>
Well. I am probably working on to much simultaneously. But this machine is
10
> On Jun 15, 2015, at 09:50 , Richard Loken
> wrote:
>
> You need to read a little tome entitled "Mastering VMS" by David W. Byron or
> maybe "The VMS User's Manual" that came with VAX/VMS Version 5.
I'll look for those. Thanks!
ANd the /NOASSIST switch worked for me. I didn't even need to pr
> On Jun 15, 2015, at 10:11 , tony duell wrote:
>
>>
>> I'm not specifically familiar with the 11/730, but what's wrong with just
>> cabling up an expansion box "the old
>> fashioned way" using BC11A cable?
>
> Nothing electtically...
>
> The problem is that the 11/730 mouting box (BA11-Z?
On 6/15/2015 11:33 AM, Paul Koning wrote:
On Jun 15, 2015, at 1:28 PM, ben wrote:
On 6/15/2015 10:57 AM, Dave G4UGM wrote:
But alas the software does *not* support the older chips.
How old is old? I managed to get a copy of ISE10.1 downloaded,
installed and running without phoning, ringing
On 2015-06-15 19:04, Marco Rauhut wrote:
Hello list!
I try to autoboot my Vaxstation 4000/60.
The reason is that i want to drive the vax headless.
I have set Disk DKA300 as boot hdd in console mode.
I SET HALT 2 ( reboot).
In this configutarion the system starts into SYSBOOT>.
There i have to g
On Mon, Jun 15, 2015 at 11:11 AM, tony duell wrote:
> Totally useless coincidence that I noticed while doing a cryptic crossword :
>
> 'ethernet' is an anagram of 'three ten', and the original ethernet speeds
> were three and then
> ten megabits/second.
For bonus points, what's the actual data r
On Mon, 15 Jun 2015, Marco Rauhut wrote:
> In this configutarion the system starts into SYSBOOT>.
> There i have to give the command CONTINUE to boot VMS.
> Is there any way to overide then CONTINUE command?
It sounds like your system defaults to a conversational boot which is, as
far as I recall
> On Jun 15, 2015, at 1:28 PM, ben wrote:
>
> On 6/15/2015 10:57 AM, Dave G4UGM wrote:
>> But alas the software does *not* support the older chips.
>>
>> How old is old? I managed to get a copy of ISE10.1 downloaded,
>> installed and running without phoning, ringing or otherwise jumping
>> thro
On 6/15/2015 10:57 AM, Dave G4UGM wrote:
But alas the software does *not* support the older chips.
How old is old? I managed to get a copy of ISE10.1 downloaded,
installed and running without phoning, ringing or otherwise jumping
through hoops. That supports the Spartan 2 which has been obsolete
And I would like to find one in the UK
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mark J.
> Blair
> Sent: 15 June 2015 16:34
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: VAX 11/730
>
> If you can find one, I'll be h
On 06/14/2015 12:41 PM, Simon Claessen wrote:
as long as it is done in a way that it can be restored to its original,
i have no problems in using newer technology in older machines. we have
a alix sbc build into our tek 4002a for demonstrational purpouses, all
done without damaging or altering th
> From: Rod Smallwood
> I can tell you what they were called internally at DEC.
> ...
> They were called Toggles or Toggle switches and their use was called
> 'Toggling' hence 'To toggle in the bootstrap'
Maybe because on the older machines (e.g. PDP-1) they really were toggle
On 06/15/2015 10:06 AM, Mike Loewen wrote:
I created a filter in my email client (alpine), which looks for
"cct...@classiccmp.org" on the "To:" header and drops it into the bit
bucket. The duplicates still get to my system, but I never see them.
The only time I've seen duplicates since I ac
>
> I'm not specifically familiar with the 11/730, but what's wrong with just
> cabling up an expansion box "the old
> fashioned way" using BC11A cable?
Nothing electtically...
The problem is that the 11/730 mouting box (BA11-Z??) is a bit odd. The boards
go in from the left. Cables end up
g
Hello list!
I try to autoboot my Vaxstation 4000/60.
The reason is that i want to drive the vax headless.
I have set Disk DKA300 as boot hdd in console mode.
I SET HALT 2 ( reboot).
In this configutarion the system starts into SYSBOOT>.
There i have to give the command CONTINUE to boot VMS.
Is t
On Mon, 15 Jun 2015, Chuck Guzis wrote:
I know that others have discussed the issue, but can someone tell me
concisely how to avoid multiple copies of the same message on cctalk?
Overnight, 54 new messages arrived in my inbox. The problem was that I'd
seem a large number of them a day or tw
> > We're talking about putting in a rather complex computer to generate
> > a baud rate. Are people really that handicapped when it comes to
> > building hardware nowadays?
>
> Speaking for myself, yes.
Unfortunately I believe you. Use at least a thousand times more components than
you need to.
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of ben
> Sent: 15 June 2015 17:18
> To: cctalk@classiccmp.org
> Subject: Re: FPGA tricks - Re: using new technology on old machines. Was:
> PDP-12 Restoration at the RICM
>
> On 6/15/2015 9:08 AM, Toby Tha
> I also think it is in the spirit of the computer - using what is available
> to fix a problem at hand. I think the arduino was overkill when an attiny
> (smaller, easier to hide) would probably serve just as well.
Would you put plastic handles on a piecc of antique furniture? Would you
make th
On Sat, 13 Jun 2015, Mark J. Blair wrote:
> Thanks, I will read that. But how do I enter the reply command when the
> BACKUP program is hogging the console? Is there a VMS equivalent to the
> way a task can be suspended in UNIX with ^Z?
There are several:
$ submit /queue=sys$batch /nopri
On Sat, 13 Jun 2015, Mark J. Blair wrote:
> How do I respond to tape mount requests on the same console where I'm
> running BACKUP? When I get the request asking whether to create a new tape
> volume, it doesn't seem to respond to terminal input.
First, initialize all the tapes you might need usi
> On Jun 15, 2015, at 09:18, ben wrote:
> But alas the software does *not* support the older chips.
> You want to make a mod 5 years down the road, sorry we do not
> support that model any more. TTL needs to be stock piled
> now for the next +50 years.
Good point. Just as TTL needs to be stockp
On 6/15/2015 9:08 AM, Toby Thain wrote:
On 2015-06-15 9:35 AM, Dave G4UGM wrote:
I don't think it is over kill. If you want over kill try this:-
https://www.youtube.com/watch?v=ALXax3Gydl8
and FPGA implementation of the Baby or SSEM which had 32x32 bits of
RAM. The implementation uses around
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