Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 20.05.15 um 21:11 schrieb Johnny Billquist: > Hmm. There might also be other issues when using a TZ30 as compared to a > TK50 here... I don't even remember how the TZ30 looks inside. There > might be rubber parts in there. No rubber. The tapes got stuck to the read-/write head. -- tschüß,

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 20.05.15 um 22:41 schrieb Jon Elson: > It largely depends on storage conditions. Sorry I can not afford a climate controlled cabinet. The tapes where stored in my "machine room", i.e. a normal bedroom in my flat. -- tschüß, Jochen

Re: Reading/Verifying the Intel 8041A

2015-05-20 Thread Eric Smith
On Wed, May 20, 2015 at 8:15 PM, Richard B. Main, Esq. wrote: > The Intel AFN-00188B Datasheets for 8041A/8741A specify that EA max is > 24.5V. The verify mode for "PROM/ROM" holds EA high at 23V. Thank you for looking that up. I have several different 8041 and 8041A datasheets, but apparently no

Re: Wanted: ASM-48 for Intellec MDS-2

2015-05-20 Thread Eric Smith
On Tue, May 19, 2015 at 11:28 PM, Mike Stein wrote: > My 8041A/8641A/8741A data sheet says > "interchangeable ROM and EPROM Versions", "Single > 5V Supply" and "Vdd (Power): 5V during normal > operation". "Normal operation" is the key phrase. ROM (or EPROM) verification mode is not considered "no

Reading/Verifying the Intel 8041A

2015-05-20 Thread Richard B. Main, Esq.
The Intel AFN-00188B Datasheets for 8041A/8741A specify that EA max is 24.5V. The verify mode for "PROM/ROM" holds EA high at 23V. The 8048/8748 Datasheets say EA is 32V for 8748 Verify but need only be +12V for 8048. Richard

Re: New PDP 11/44 pics, interior card cage

2015-05-20 Thread Chris Elmquist
On Wednesday (05/20/2015 at 09:24AM -0400), B Degnan wrote: > new pics: vintagecomputer.net/digital/PDP11-44_2nd/ Dang. That TU58's been rode hard and put up wet (as they say). -- Chris Elmquist

Re: More stuff that can't be shipped

2015-05-20 Thread Kirk B Davis
She mentioned some DEC cables. Very thick with 15 pin connectors. Not very helpful I know but if it's close to what someone is looking for you may be able to get more info from her directly. Kirk On May 20, 2015 at 4:52 PM, "Noel Chiappa" wrote: > >> From: Cindy Croxton > >> Piles of OLD D

Re: More stuff that can't be shipped

2015-05-20 Thread Kirk B Davis
I followed up with Cindy and got more info: "Sperry mainframe? Size of washing machine" is blue and has never been turned on (no more info but if you are interested she may be able to get a part number) Dec Server 700 Dec Station Dec mate 200 Several small Dec systems the size of 486 desk tops

Re: More stuff that can't be shipped

2015-05-20 Thread Noel Chiappa
> From: Cindy Croxton > Piles of OLD DEC stuff Like what? Like most people on this list, I'm far enough away that I can't just drive over (especially on such little notice), but if there's something good there, perhaps a local DEC collector can help, or I could pay someone to go get it. B

More stuff that can't be shipped

2015-05-20 Thread Electronics Plus
Couple of Kaypro ( and 2 and a II) Several old 80386? Compaq luggables A supersonic testing machine of some sort A Sperry mainframe? Size of washing machine A plotter with only 10 hours on it A DG Pent Pro server An OLD HP emulator with LOTS of thick SCSI type cables Piles of OLD DEC stuff

Re: the 2 old original IBM machines

2015-05-20 Thread Fred Cisin
On Wed, 20 May 2015, Electronics Plus wrote: 8088 computers, one has 2 floppies, 1 has 1 floppy and 1 hdd. Both fully tested and functional. No keyboards now, but there is an original IBM mono monitor, and the printer. I do NOT want to ship; these will not survive UPS very well. We are about 1 h

the 2 old original IBM machines

2015-05-20 Thread Electronics Plus
8088 computers, one has 2 floppies, 1 has 1 floppy and 1 hdd. Both fully tested and functional. No keyboards now, but there is an original IBM mono monitor, and the printer. I do NOT want to ship; these will not survive UPS very well. We are about 1 hour from San Antonio. Make a good offer, ta

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jon Elson
On 2015-05-20 21:06, Jochen Kunz wrote: And my 9-track tapes are rotten to the point of uselessness too. They still worked most of the time about 10 years ago. It largely depends on storage conditions. I recently read some of my old backup tapes from the mid 1980's with no problem. The d

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Mark Wickens
In case someone hasn't mentioned baking the tapes apparently an hour at 50 degc works wonders On 20 May 2015 20:48, "Johnny Billquist" wrote: > On 2015-05-20 21:36, Al Kossow wrote: > >> On 5/20/15 12:11 PM, Johnny Billquist wrote: >> >>> There might be rubber parts in there. >>> >>> Nope, I lik

An 80286 motherboard, NIB

2015-05-20 Thread Electronics Plus
Found another goodie, saved from the scrapper. VLSI high performance Baby AT Turbo mainboard 12 MHZ Zero-Wait Up to 4MB DRAM 6x16-bit and 2x8-bit ISA slots Will require a separate hard/floppy controller, video card, memory, CPU, and 80287 if you want one. Supports 360kb, 1.2MB, 720KB, and 1.44

Interactive Baseball/Don Daglow

2015-05-20 Thread Chuck Guzis
WikiP under the "PDP-10" subject claims that Don Daglow wrote the first computer baseball game in 1971. I don't think that this is accurate; do any old CDC-ers out there remember the BAT PP program on every CE's MACE deadstart tape? I believe that it preceded Daglow's game by a couple of year

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Johnny Billquist
On 2015-05-20 21:36, Al Kossow wrote: On 5/20/15 12:11 PM, Johnny Billquist wrote: There might be rubber parts in there. Nope, I like them better than TK50s, though, because you pop off the two C rings and the head assembly lifts up to clean, which is necessary after every tape you try to read

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Al Kossow
On 5/20/15 12:11 PM, Johnny Billquist wrote: There might be rubber parts in there. Nope, I like them better than TK50s, though, because you pop off the two C rings and the head assembly lifts up to clean, which is necessary after every tape you try to read. TK50 tapes stick or gum up at the e

RE: Memory options for an HP 1000 (HP 21MX / 2112A)

2015-05-20 Thread Jay West
I believe I have a DMS firmware board for the M series that is not needed, I've passed on most all of my M series machines and focused on the E. J

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Johnny Billquist
On 2015-05-20 21:06, Jochen Kunz wrote: Am 19.05.15 um 12:25 schrieb Johnny Billquist: Wow. That is definitely YMMV then. I've never seen that happen anywhere, and I occasionally still work with TK50s. (Even professionally.) It was a TZ30 in a DEC3000 running NetBSD, IIRC. We tried several TK5

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 19.05.15 um 12:25 schrieb Johnny Billquist: > > Wow. That is definitely YMMV then. I've never seen that happen anywhere, > and I occasionally still work with TK50s. (Even professionally.) It was a TZ30 in a DEC3000 running NetBSD, IIRC. We tried several TK50 tapes and all of them exhibited the

Re: Memory options for an HP 1000 (HP 21MX / 2112A)

2015-05-20 Thread J. David Bryan
On Tuesday, May 19, 2015 at 23:12, Marc Verdiell wrote: > Thanks, very useful info, and the manual is indeed what I was missing. You're welcome. > But now where to find the DMS, with two cards in particular, that's not > going easy to find both that match... First, are you sure that the machin

Re: ROM dumps of Intel MDS-2 IOC

2015-05-20 Thread Dave Mabry
Eric Smith wrote on 5/17/2015 9:34 PM: As have I. I found that the IOC firmware has undocumented 0dh and 0eh commands. Command 0x0d allows the main CPU to write to arbitrary IOC memory, and is probably for diagnostics, but is not allowed unless IOC RAM location 5af4h contains the value 24h, an

New PDP 11/44 pics, interior card cage

2015-05-20 Thread B Degnan
I mentioned earlier I had an ebay auction running for an 11/44 and there were questions about the interior card cage. I uploaded new pics. Here is what I could discern from the photos I took of the interior card cage's cards M7856 M7819 M7814 M7258 M7258 M7258 M7297 / M7298 M9202 M7295 ?? ??

Re: Proud owner of a SDK-86, now what

2015-05-20 Thread Nigel Williams
On Wed, May 20, 2015 at 4:33 PM, Original Woodworks wrote: > I was an Intel salesman and have this board...I have lots of docs, serial > monitor, chess PROMs but no keyboard monitors. Are you able to share the chess PROMs please? were these developed specifically for the SDK-86 or ported from ano

Re: Proud owner of a SDK-86, now what

2015-05-20 Thread Alexandre Souza
These docs would be great to have then archived... enviado do meu telemovel Em 20/05/2015 05:10, "Original Woodworks" escreveu: > I was an Intel salesman and have this board...I have lots of docs, serial > monitor, chess PROMs but no keyboard monitors. Do you have the BIN files > for them to fi

Re: Proud owner of a SDK-86, now what

2015-05-20 Thread Original Woodworks
I was an Intel salesman and have this board...I have lots of docs, serial monitor, chess PROMs but no keyboard monitors. Do you have the BIN files for them to fit in 2716s? I can scan, copy eproms, anything to help you if you can help me. Thanks, Dave http://www.classiccmp.org/pipermail/cct

Re: Wanted: ASM-48 for Intellec MDS-2

2015-05-20 Thread Mike Stein
My 8041A/8641A/8741A data sheet says "interchangeable ROM and EPROM Versions", "Single 5V Supply" and "Vdd (Power): 5V during normal operation". I'm pretty sure I've read 8741s without any 25V supply; AFAIK Verify mode is not the same as Read ('normal') mode. m - Original Message - F