Re: AIX 4.1-capable box

2016-02-08 Thread Kevin Bowling
Yeah I would think $80-$200 would be fair for a typical MCA machine depending on extras and condition, maybe the more prized ones are worth more to the right person... you can pry my 7012-397 and 7012-G40 from cold dead hands :p. I would sell you a 7011-250 but it's particularly useful to me for f

Re: Oregon Pascal tape found

2016-02-08 Thread Pete Lancashire
I'll see what I can do to get it converted to a downloadable file. I have a friend with both a 9 track (556/800/1600) and a 7 track transport. -pete On Mon, Feb 8, 2016 at 2:13 PM, John Many Jars wrote: > I would love an image of that! > > On 5 Feb 2016 18:59, "Todd Goodman" wrote: > > > > Hi,

Re: Solid state recommendations

2016-02-08 Thread Bryan Everly
Thanks Dave. These look promising. Thanks, Bryan > On Feb 8, 2016, at 5:07 PM, Dave G4UGM wrote: > > These seem popular:- > > http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD > > new version > > http://www.ebay.com/sch/inertialcomputing/m.html > > > I have one, but I haven't used it yet.

Re: Solid state recommendations

2016-02-08 Thread Bryan Everly
Thanks Tom! Thanks, Bryan > On Feb 8, 2016, at 4:40 PM, pdaguytom . wrote: > > I'm pretty sure that the Sun Blade 100 uses IDE, one of the cheap IDE to CF > cards from ebay would likely work there. I've usually bought these in bulk > and have been less than picky (other than price☺) about these

RE: Solid state recommendations

2016-02-08 Thread Rob Jarratt
For the VAX and Alpha you could just set up a cluster using SIMH and run them diskless Sent from Outlook Mail for Windows 10 phone From: Bryan Everly Sent: 08 February 2016 21:12 To: cctalk@classiccmp.org Subject: Solid state recommendations Hi all I have the following gear in my stable: -

RE: Oregon Pascal tape found

2016-02-08 Thread Rob Jarratt
I don't know if there are already images of this, but I would suggest taking an image *before* sending it anywhere. Regards Rob Sent from Outlook Mail for Windows 10 phone From: John Many Jars Sent: 08 February 2016 22:13 To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Oreg

Re: VAXen and minimal memory (was Re: The PDP11/04 has landed..)

2016-02-08 Thread Ethan Dicks
On Mon, Feb 8, 2016 at 11:11 PM, william degnan wrote: > I ran my VAX 4000-200 all day today. Nice. > I have never worked with an older I happened to get a lot of opportunity in the 80s to work with VAXen, then Alphas in the 90s and a little beyond (I haven't been paid to run VMS since about 20

Re: PRM-85 board case?

2016-02-08 Thread curiousmarc3
Interested too. Marc > On Feb 6, 2016, at 9:43 PM, Glen Slick wrote: > >> On Sat, Feb 6, 2016 at 2:31 PM, Jay West wrote: >> Rumor has it that one or more people have designed and 3d-printed cases for >> their HP-85 PRM-85 boards. Anyone have any of those cases available? I'd >> like to get my

Re: VAXen and minimal memory (was Re: The PDP11/04 has landed..)

2016-02-08 Thread william degnan
On Mon, Feb 8, 2016 at 10:57 PM, Ethan Dicks wrote: > On Mon, Feb 8, 2016 at 9:48 PM, Jon Elson wrote: > > On 02/08/2016 03:23 PM, Ethan Dicks wrote: > >> > >> I don't know if you could use the 256K boards (populated with 4116s) in > >> the 11/730 due to the tri-voltage 4116s, but even if they w

Re: 6502 CPUs

2016-02-08 Thread Fred Cisin
In a thousand years, it is revealed that Bender has a 6502!

VAXen and minimal memory (was Re: The PDP11/04 has landed..)

2016-02-08 Thread Ethan Dicks
On Mon, Feb 8, 2016 at 9:48 PM, Jon Elson wrote: > On 02/08/2016 03:23 PM, Ethan Dicks wrote: >> >> I don't know if you could use the 256K boards (populated with 4116s) in >> the 11/730 due to the tri-voltage 4116s, but even if they worked, you >> wouldn't want to - 5 of them just isn't that much

Re: AIX 4.1-capable box

2016-02-08 Thread Benjamin Huntsman
So more like $100? :) Sent from my iPhone > On Feb 8, 2016, at 7:21 PM, Paul Berger wrote: > >> On 2016-02-08 11:14 PM, Benjamin Huntsman wrote: >> I was eyeballing that 7009 that still has the door. What do you think it's >> actually worth? I was thinking something like $200 would be gener

Re: AIX 4.1-capable box

2016-02-08 Thread Paul Berger
On 2016-02-08 11:14 PM, Benjamin Huntsman wrote: I was eyeballing that 7009 that still has the door. What do you think it's actually worth? I was thinking something like $200 would be generous, but then again I might be equally off-base... Sent from my iPhone I should probably warn you tha

Re: AIX 4.1-capable box

2016-02-08 Thread Benjamin Huntsman
I was eyeballing that 7009 that still has the door. What do you think it's actually worth? I was thinking something like $200 would be generous, but then again I might be equally off-base... Sent from my iPhone > On Feb 8, 2016, at 3:41 PM, Kevin Bowling wrote: > > 7006 might also fit the b

Re: The PDP11/04 has landed..

2016-02-08 Thread Jon Elson
On 02/08/2016 03:23 PM, Ethan Dicks wrote: I don't know if you could use the 256K boards (populated with 4116s) in the 11/730 due to the tri-voltage 4116s, but even if they worked, you wouldn't want to - 5 of them just isn't that much RAM. We ran our first 11/780 with 2 memory boards. I THINK

Re: 11/73 into 11/03 chassis?

2016-02-08 Thread Jerome H. Fine
I top post only once or twice a year. This is the exception since my reply does not explicitly address the question. An internal built-in power supply is just the ordinary standard power supply which provides power to the board on which the CPU is located. I have managed to avoid many of the pr

Re: 6502 CPUs

2016-02-08 Thread Mike van Bokhoven
On 9/02/2016 9:25 a.m., Adrian Graham wrote: Having had another bit of CBM kit with a failed CPU I'm wondering where you lovely US folk get your spares from since ebay seems a bit ridiculous for replacements at ukp8 a pop being the lowest price. They're surely not THAT valuable? eBay does have s

Re: 6502 CPUs

2016-02-08 Thread Randy Dawson
jameco has them fro $6 From: cctalk on behalf of Adrian Graham Sent: Monday, February 8, 2016 12:25 PM To: Discussion: On-Topic and Off-Topic Posts Subject: 6502 CPUs 2nd go, apologies if another version of this arrives but I sent it from a non-list add

Re: Solid state recommendations

2016-02-08 Thread Jerry Weiss
On Feb 8, 2016, at 4:07 PM, Dave G4UGM wrote: > > These seem popular:- > > http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD > > new version > > http://www.ebay.com/sch/inertialcomputing/m.html > > > I have one, but I haven't used it yet. > > Dave > >> -Original Message- >>

Re: 11/73 into 11/03 chassis?

2016-02-08 Thread Jacob Ritorto
This is extremely good info (thank you to Robert, Joseph and Noel!) and I plan to do something like this someday when I get more q-bus stuff, but I must apoligise for my inaccuracy because what I was originally trying to ask was: Can I tear apart my little BA23 (which currently has a power supply

Re: AIX 4.1-capable box

2016-02-08 Thread Kevin Bowling
7006 might also fit the bill. I've got a few of the different models but not really looking to sell any. eBay looks like slim pickings as well. One seller has a bunch of 7009s, you might try to talk him down to a realistic price. If you need help comp.unix.aix on Usenet is probably a better bet.

Free TK50 Tapes for Postage and Handling

2016-02-08 Thread Lee Courtney
Five untested TK50 tapes available for postage and from 94025. Two have no labels, the remainder have the following: VMS 5.1-1 Maintenance Update OD/OT Drivers for VMS 4.x 20-MAR-89 CZTK1D0 MICRO-11 CUST TK50 Please reply off-list if you'd like. -- Lee Courtney

Re: Oregon Pascal tape found

2016-02-08 Thread John Many Jars
I would love an image of that! On 5 Feb 2016 18:59, "Todd Goodman" wrote: > > Hi, > > I'd like it if still available. > > I'll certainly reimburse you for postage (and a beverage or two of your > choice as well.) > > Thanks! > > Todd > > * E. Groenenberg [160205 13:02]: > > > > While getting tho

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 2:04 PM, Noel Chiappa wrote: > > > >> From: Ethan Dicks > >> I'm starting to get sorry I sold off my surplus NS8641s from Software >> Results 20 years ago. To be fair, I did get over $4 each for them, so at the >> time, it was a good deal for me (ISTR retail was $7.50 eve

RE: Solid state recommendations

2016-02-08 Thread Dave G4UGM
These seem popular:- http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD new version http://www.ebay.com/sch/inertialcomputing/m.html I have one, but I haven't used it yet. Dave > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bryan > Everl

Re: MEM11 update

2016-02-08 Thread Noel Chiappa
> From: Guy Sotomayor > The reality is that an SPC board will be more expensive because of the > gold edge fingers. Oh, right, forgot about that. Yeah, six of one... > I was originally thinking that if I do have to split the board up, that > I'd make them completely independe

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 1:29 PM, Ethan Dicks wrote: > > On Mon, Feb 8, 2016 at 4:13 PM, Guy Sotomayor wrote: >> Anything optional will be in sockets. I’ll be putting the UNIBUS >> transceivers >> in sockets because I can’t afford the overage that I’d need to provide to the >> board house for ass

Re: Solid state recommendations

2016-02-08 Thread pdaguytom .
I'm pretty sure that the Sun Blade 100 uses IDE, one of the cheap IDE to CF cards from ebay would likely work there. I've usually bought these in bulk and have been less than picky (other than price☺) about these and have not had any issues. The SCSI to CF have always been a bit spendy for my taste

Re: MEM11 update

2016-02-08 Thread Ethan Dicks
On Mon, Feb 8, 2016 at 4:13 PM, Guy Sotomayor wrote: > Anything optional will be in sockets. I’ll be putting the UNIBUS transceivers > in sockets because I can’t afford the overage that I’d need to provide to the > board house for assembly. I'm starting to get sorry I sold off my surplus NS8641s

Re: The PDP11/04 has landed..

2016-02-08 Thread Ethan Dicks
On Mon, Feb 8, 2016 at 1:33 PM, tony duell wrote: >> > I heard that when Bristol University physics department got its first VAX >> > (an 11/750, >> > somewhat before my time), it was cheaper to buy 256K memory boards full of >> > 16K RAM >> > chips, clip them out, clean out the holes and solder

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 1:08 PM, Ian S. King wrote: > >> >> See above re: gold edge fingers. I was originally thinking that if I do >> have to >> split the board up, that I’d make them completely independent. But that >> has >> the issue of requiring 2x the number of UNIBUS transceiver parts (wh

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 1:03 PM, Ethan Dicks wrote: > > On Mon, Feb 8, 2016 at 3:30 PM, Guy Sotomayor wrote: >>> On 2/8/16 10:09 AM, Guy Sotomayor wrote: So, things are moving forward. I also wanted to get folk's opinion on the need to actually produce an SPC form factor board. In

Solid state recommendations

2016-02-08 Thread Bryan Everly
Hi all I have the following gear in my stable: - Sun Blade 100 - SGI O2 - VAXstation 3100 - AlphaStation 500 - HP C3700 I would like to start eliminating spinning SCSI drives from these boxes for noise, heat and capacity reasons. Could you kind folks recommend a solution? I've seen SCSI to CF c

RE: The PDP11/04 has landed..

2016-02-08 Thread Robert Jarratt
> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Pete > Lancashire > Sent: 08 February 2016 13:20 > To: General Discussion: On-Topic Posts > Cc: classic...@classiccmp.org; jdr_...@bluewin.ch > Subject: Re: The PDP11/04 has landed.. > > Until one ca

RE: The PDP11/04 has landed..

2016-02-08 Thread Robert Jarratt
> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of tony > duell > Sent: 08 February 2016 15:25 > To: General Discussion: On-Topic Posts ; > jdr_...@bluewin.ch; classic...@classiccmp.org > Subject: RE: The PDP11/04 has landed.. > > > > > I have one of th

Re: The PDP11/04 has landed..

2016-02-08 Thread Mattis Lind
2016-02-08 16:25 GMT+01:00 tony duell : > > > > I have one of these on my restoration list. I know the PSU does not > work, and that others > > have tried to fix it before me, who probably know PSUs much better than > I do. It has core > > memory so I really would like to get his one fixed. I hav

RE: The PDP11/04 has landed..

2016-02-08 Thread tony duell
> > I have one of these on my restoration list. I know the PSU does not work, and > that others > have tried to fix it before me, who probably know PSUs much better than I do. > It has core > memory so I really would like to get his one fixed. I have never seen a PSU > for it come > available

Re: The PDP11/04 has landed..

2016-02-08 Thread Henk Gooijen
> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Jos > Dreesen > Sent: 07 February 2016 17:55 > To: classic...@classiccmp.org > Subject: The PDP11/04 has landed.. > > Yesterday I picked up the PDP11/04 that Jay mentioned a few days ago. > Less than 15

Re: The PDP11/04 has landed..

2016-02-08 Thread Pete Lancashire
Until one can restore the original power supply, it is pretty easy to substitute a modern supply, good quality used commercial grade switchers with remote sensing can but put on a rack shelf. But if you take that route, be very very careful of Chinese supplies. On Sun, Feb 7, 2016 at 1:24 PM, Robe

Re: MEM11 update

2016-02-08 Thread Ian S. King
On Mon, Feb 8, 2016 at 1:04 PM, Guy Sotomayor wrote: > > > On Feb 8, 2016, at 12:43 PM, Noel Chiappa > wrote: > > > >> From: Guy Sotomayor > > > > > >> I also wanted to get folk's opinion on the need to actually produce an > >> S[P]C form factor board. ... is it OK to have the MEM11 be outside o

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 12:43 PM, Noel Chiappa wrote: > >> From: Guy Sotomayor > > >> I also wanted to get folk's opinion on the need to actually produce an >> S[P]C form factor board. ... is it OK to have the MEM11 be outside of >> the 11/20 chassis and connect via BC11A (my replica) cables? >

Re: MEM11 update

2016-02-08 Thread Ethan Dicks
On Mon, Feb 8, 2016 at 3:30 PM, Guy Sotomayor wrote: >> On 2/8/16 10:09 AM, Guy Sotomayor wrote: >>> So, things are moving forward. I also wanted to get folk's opinion on >>> the need to actually produce >>> an SPC form factor board. In other words (and sort of in line with how >>> peripherals w

Re: Programming

2016-02-08 Thread Dan K
This reminds me that last year when MARCH (Mid-Atlantic Retro Computing Hobbyists) restored a PDP-8 that had come from a high school computing club, they dumped the magnetic core memory and found three programs: 1. A program to dump memory contents to paper tape 2. Some common utilities for debug

Re: Programming

2016-02-08 Thread Ian S. King
On Mon, Feb 8, 2016 at 12:46 PM, Christian Groessler wrote: > On 02/07/16 09:31, n...@farumdata.dk wrote: > >> I really hate this damned machine >> I wish that they would sell it >> it never does quite what I want >> but only what I tell it >> > > > I'm still working on a "do-what-I-want" program

Re: MEM11 update

2016-02-08 Thread Noel Chiappa
> From: Guy Sotomayor > I also wanted to get folk's opinion on the need to actually produce an > S[P]C form factor board. ... is it OK to have the MEM11 be outside of > the 11/20 chassis and connect via BC11A (my replica) cables? Well, that's going to up the cost; for some people

Re: Programming

2016-02-08 Thread Christian Groessler
On 02/07/16 09:31, n...@farumdata.dk wrote: I really hate this damned machine I wish that they would sell it it never does quite what I want but only what I tell it I'm still working on a "do-what-I-want" program. It's difficult to implement... But I already have a good idea of the layout o

Re: Programming

2016-02-08 Thread Guy Sotomayor
> On Feb 8, 2016, at 12:31 PM, Ian S. King wrote: > > On Mon, Feb 8, 2016 at 12:23 PM, Noel Chiappa > wrote: > >>> From: Ian S. King >> >>> so much for running that on my PDP-11/20 >> >> If you have an actual 11/20, you should be ecstatic! ;-) >> >>Noel >> > > Yes, its faceplate r

Re: The PDP11/04 has landed..

2016-02-08 Thread Jos Dreesen
On 07.02.2016 22:49, Jay West wrote: Jos wrote... -- restoration is to start next winter, after a house move which will nearly double working area for the hobby. -- Bhahahahaha From experience... it will never be enough space. Double it again. Still won't be enough. These th

Re: Programming

2016-02-08 Thread Ian S. King
On Mon, Feb 8, 2016 at 12:23 PM, Noel Chiappa wrote: > > From: Ian S. King > > > so much for running that on my PDP-11/20 > > If you have an actual 11/20, you should be ecstatic! ;-) > > Noel > Yes, its faceplate reads 'PDP-11', not 'PDP-11/20'. -- Ian S. King, MSIS, MSCS, Ph.D

Re: MEM11 update

2016-02-08 Thread Guy Sotomayor
On 2/8/16 11:53 AM, Al Kossow wrote: On 2/8/16 10:09 AM, Guy Sotomayor wrote: So, things are moving forward. I also wanted to get folk's opinion on the need to actually produce an SBC form factor board. In other words (and sort of in line with how peripherals were done on the original 11/

6502 CPUs

2016-02-08 Thread Adrian Graham
2nd go, apologies if another version of this arrives but I sent it from a non-list address so it might not get through with the emergency moderation going on. Hi folks, Having had another bit of CBM kit with a failed CPU I'm wondering where you lovely US folk get your spares from since ebay seems

Re: Programming

2016-02-08 Thread Noel Chiappa
> From: Ian S. King > so much for running that on my PDP-11/20 If you have an actual 11/20, you should be ecstatic! ;-) Noel

Re: MEM11 update

2016-02-08 Thread Ian S. King
On Mon, Feb 8, 2016 at 11:53 AM, Al Kossow wrote: > > > On 2/8/16 10:09 AM, Guy Sotomayor wrote: > >> So, things are moving forward. I also wanted to get folk's opinion on >> the need to actually produce >> an SBC form factor board. In other words (and sort of in line with how >> peripherals we

Re: MEM11 update

2016-02-08 Thread Al Kossow
On 2/8/16 10:09 AM, Guy Sotomayor wrote: So, things are moving forward. I also wanted to get folk's opinion on the need to actually produce an SBC form factor board. In other words (and sort of in line with how peripherals were done on the original 11/20) is it OK to have the MEM11 be outsi

Re: 386 upgrade board

2016-02-08 Thread Joe Giliberti
I haven't tried yet. I'll let you know if I am successful! This email has been sent from a virus-free computer protected by Avast. www.avast.com <#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Mon, Feb 8, 2016 at 12:00 PM, Ian S. King

Re: NiCd battery replacement in vintage computers

2016-02-08 Thread Mark J. Blair
> On Feb 8, 2016, at 07:08 , dwight wrote: > > Make sure to neutralize the leaked alkaline stuff from the cells. > Just a simple cleaning isn't enough. I use white vinegar. I physically removed the affected area down to bare copper and fiberglass: https://pbs.twimg.com/media/Cajr9LcUiIq.jp

6502 CPUs

2016-02-08 Thread Adrian Graham
Hi folks, Having had another bit of CBM kit with a failed CPU I'm wondering where you lovely US folk get your spares from since ebay seems a bit ridiculous for replacements at ukp8 a pop being the lowest price. They're surely not THAT valuable? I know Mouser have got the 're-released' WDC 65C02 w

Re: Programming

2016-02-08 Thread Paul Koning
> On Feb 8, 2016, at 12:44 PM, Ian S. King wrote: > > On Mon, Feb 8, 2016 at 9:35 AM, Paul Koning wrote: >> ... >> There's FIG-Forth for the PDP11. That has a few EIS instructions in it >> but that would be quite easy to change. >> >>paul >> >> >> FIG-Forth runs on RT-11, right? I

RE: The PDP11/04 has landed..

2016-02-08 Thread tony duell
> > > I heard that when Bristol University physics department got its first VAX > > (an 11/750, > > somewhat before my time), it was cheaper to buy 256K memory boards full of > > 16K RAM > > chips, clip them out, clean out the holes and solder in 64K RAMs rather > > than to buy 1MByte > > board

MEM11 update

2016-02-08 Thread Guy Sotomayor
Just wanted to let folks know where I am with respect to the MEM11 project. I had decided to take a break from writing J1 code and updating the simulator to actually work on the hardware. To make things easy for myself, I decided to use my FPGA eval board and build a daughter board with CPLDs a

RE: AIX 4.1-capable box

2016-02-08 Thread Benjamin Huntsman
Hi Paul! Thanks for the correction. I don't know why I thought some of those had a PCI slot or two. So nevermind the PCI part. But I could still use a box that'll run 3.2.5 up through at least 4.1.5... Thanks! -Ben From: cctalk [cctalk-boun...@cla

Re: Programming

2016-02-08 Thread Ian S. King
On Mon, Feb 8, 2016 at 9:35 AM, Paul Koning wrote: > > > On Feb 8, 2016, at 12:31 PM, Ian S. King wrote: > > > > On Sat, Feb 6, 2016 at 4:40 PM, Murray McCullough < > > c.murray.mccullo...@gmail.com> wrote: > > > >> There is the software side to classic computing: Back in the early > >> days we

Re: Programming

2016-02-08 Thread Paul Koning
> On Feb 8, 2016, at 12:31 PM, Ian S. King wrote: > > On Sat, Feb 6, 2016 at 4:40 PM, Murray McCullough < > c.murray.mccullo...@gmail.com> wrote: > >> There is the software side to classic computing: Back in the early >> days we wrote/coded in BASIC-TinyBASIC running in 2K(talk about >> writing

Re: Programming

2016-02-08 Thread Ian S. King
On Sat, Feb 6, 2016 at 4:40 PM, Murray McCullough < c.murray.mccullo...@gmail.com> wrote: > There is the software side to classic computing: Back in the early > days we wrote/coded in BASIC-TinyBASIC running in 2K(talk about > writing efficient code!); EASY and SmallFORTRAN. What apps/programs > a

Re: AIX 4.1-capable box

2016-02-08 Thread Paul Berger
On 2016-02-08 1:05 PM, Benjamin Huntsman wrote: Hi there! Does anyone on here do much with RS/6000 boxes? I'm looking for a 7009-C10, 7011-250, or (mostly) PCI-based 7012 system capable of running AIX 4.1. By any chance, anyone have such a system that they'd be willing to sell? Th

Re: The PDP11/04 has landed..

2016-02-08 Thread Mattis Lind
>> I assume they didn't buy a service contract with that machine? I doubt > DEC would be real happy with that. Also, the 64K RAM chips need an extra > address pin, were the boards laid out with that signal already in place? > Probably not since the new address signal used to be the +5V supply vo

AIX 4.1-capable box

2016-02-08 Thread Benjamin Huntsman
Hi there! Does anyone on here do much with RS/6000 boxes? I'm looking for a 7009-C10, 7011-250, or (mostly) PCI-based 7012 system capable of running AIX 4.1. By any chance, anyone have such a system that they'd be willing to sell? Thanks much!! -Ben

Re: 386 upgrade board

2016-02-08 Thread Ian S. King
On Sun, Feb 7, 2016 at 3:00 PM, Joe Giliberti wrote: > That's good to know that they are out there. If anyone has one they would > be willing to part with, please let me know. I'm also in the market for an > ISA hard card if anyone has one. > > Thanks, > Joe > Th

Re: The PDP11/04 has landed..

2016-02-08 Thread Jon Elson
On 02/08/2016 09:28 AM, tony duell wrote: First week on the job in March 1980, my new boss brought me two pdp11/04s and a box of memeory chips. He to told me to double the memory in the two computers by populating all the empty holes on the memory boards. I had a boss in 1987 that asked the sam

Re: NiCd battery replacement in vintage computers

2016-02-08 Thread Chuck Guzis
On 02/08/2016 06:55 AM, Maciej W. Rozycki wrote: As a matter of interest I've checked the MC146818 datasheet and it claims a 50µA current draw in the usual configuration with a 32768Hz oscillator. Yup. And things have only gotten better with time. I suspect that you could power the '818 RTC

RE: The PDP11/04 has landed..

2016-02-08 Thread tony duell
> > First week on the job in March 1980, my new boss brought me two pdp11/04s > > and a box of memeory chips. He to told me to double the memory in > > the two computers by populating all the empty holes on the memory boards. > > I had a boss in 1987 that asked the same of me... I heard that whe

Re: The PDP11/04 has landed..

2016-02-08 Thread Mattis Lind
> > > Mine was a DEC MSV11 w/128Kbytes installed, solder filling the holes > for the other half of the memory positions. I did not have problems > with traces lifting from that board (I was using an adjustable Weller > soldering station and had fine control over the temperature). > Installing the

Re: NiCd battery replacement in vintage computers

2016-02-08 Thread dwight
Make sure to neutralize the leaked alkaline stuff from the cells. Just a simple cleaning isn't enough. I use white vinegar. Dwight From: cctalk on behalf of Maciej W. Rozycki Sent: Monday, February 8, 2016 6:55 AM To: General Discussion: On-Topic and Of

Re: The PDP11/04 has landed..

2016-02-08 Thread Ethan Dicks
On Sun, Feb 7, 2016 at 11:57 PM, Richard Loken wrote: > First week on the job in March 1980, my new boss brought me two pdp11/04s > and a box of memeory chips. He to told me to double the memory in > the two computers by populating all the empty holes on the memory boards. I had a boss in 1987 t

Re: NiCd battery replacement in vintage computers

2016-02-08 Thread Maciej W. Rozycki
On Sat, 6 Feb 2016, Chuck Guzis wrote: > You're talking about RTC and perhaps a bit of static RAM maintenance. If this > RTC unit is like most of the same era, the operating voltage range is quite > wide (probably about 2-7V) and sub-1ma current draw. Chargers for this type of > application are us

Re: Master index of ICL / 3R PERQ software?

2016-02-08 Thread Mike Ross
On Mon, Feb 8, 2016 at 10:01 PM, Nigel Williams wrote: > Has anyone made a list of all the known software for the PERQ? > > I'm on the hunt for a rumoured port of VAX ML (written in Pascal) to > the PERQ at Edinburgh. I have a couple of PERQs - 1 & 2 - originally from ?UCL? as I recall. Got sever

Master index of ICL / 3R PERQ software?

2016-02-08 Thread Nigel Williams
Has anyone made a list of all the known software for the PERQ? I'm on the hunt for a rumoured port of VAX ML (written in Pascal) to the PERQ at Edinburgh. thanks.

Re: The PDP11/04 has landed..

2016-02-08 Thread Mattis Lind
2016-02-07 18:55 GMT+01:00 Jos Dreesen : > > > Yesterday I picked up the PDP11/04 that Jay mentioned a few days ago. > Less than 15 miles from home ! > > The machine spend its early days as a processor in chemical analysis > apparatus, and was subsequently bought by the employee using it. > Befor