Looking for docs / schematics for MITS 88-HDSK and its associated Pertec drive

2015-06-10 Thread Josh Dersch
Hey all -- I'm assisting in the restoration of an Altair 8800 system which includes the MITS 88-HDSK (Altair Hard Drive Controller) and Pertec D-3422 removable pack/fixed platter drive and after cleaning everything up, rebuilding supplies, etc, the drive spins up and goes Ready but all

Re: Altos ACS 8000-15A

2015-06-15 Thread Josh Dersch
On Mon, Jun 15, 2015 at 1:52 PM, Chris Osborn fozzt...@fozztexx.com 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

AMT DAP 500/600 software available

2015-07-03 Thread Josh Dersch
Hi all -- Last December I picked up an AMT DAP 600 (64x64 distributed array processor) which came with a set of manuals and QIC tapes; the manuals are on Bitsavers, the tapes were just recently (carefully) recovered by Bear and I thought I'd make them available in case anyone out there has a

RE: Writing 8 floppies with SuperCard Pro

2015-08-11 Thread Josh Dersch
-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis Sent: Tuesday, August 11, 2015 5:42 PM To: gene...@classiccmp.org; Discussion@ Subject: Re: Writing 8 floppies with SuperCard Pro On 08/11/2015 05:27 PM, Josh Dersch wrote: The issue

Writing 8 floppies with SuperCard Pro

2015-08-11 Thread Josh Dersch
Here at the museum I'm evaluating the use of a SuperCard Pro (http://www.cbmstuff.com/proddetail.php?prod=SCP) to archive and duplicate 8 floppies from various machines. It's not technically supported (the manual states that it *should* work but has not been tested, etc.) The disks I'm

RE: Writing 8 floppies with SuperCard Pro

2015-08-12 Thread Josh Dersch
, Josh Dersch wrote: Absolutely no idea -- the manual isn't particularly technical and the SDK mentions nothing. I'll see if there's anything to be dug up in this regard. (Thanks also to Eric for suggesting this problem...) There should certainly be enough horsepower there to do just about

Re: Chromatics on ebay

2015-07-23 Thread Josh Dersch
in untested condition, a lot more if it works. Video, good pics, be ready with a ship quote, etc. He may have asked more than just me, but that is what I told him On Jul 23, 2015 12:31 PM, Josh Dersch dersc...@gmail.com wrote: It was me. Despite the listing being local pickup only

Re: Chromatics on ebay

2015-07-23 Thread Josh Dersch
On Thu, Jul 23, 2015 at 2:15 PM, William Donzelli wdonze...@gmail.com wrote: That's just seller's remorse. It's obviously up to you, but I'd have strongly considered disputing it with eBay as a seller refusing to honor the auction results is every bit as bad (or even worse) than a

Re: Chromatics on ebay

2015-07-23 Thread Josh Dersch
It was me. Despite the listing being local pickup only the description notes that the seller's willing to arrange shipping (it just won't be cheap). So I put in a lowball bid on it. Did not expect to be the high bidder, definitely did not expect to be the only bidder. That said,

Re: Common Maxtor MFM drive failure mode -- any ideas?

2015-10-24 Thread Josh Dersch
On 10/24/15 11:40 AM, tony duell wrote: That's pretty much what I figured. I took a closer look at one of the other dead XT2190s I have that I'd opened up to inspect awhile back and there are a few ICs surface-mounted to the flat ribbon cable running to the head assembly. I suppose it's likely

Re: Common Maxtor MFM drive failure mode -- any ideas?

2015-10-23 Thread Josh Dersch
On Fri, Oct 23, 2015 at 9:08 AM, Al Kossow <a...@bitsavers.org> wrote: > On 10/23/15 12:04 AM, Josh Dersch wrote: > > The 2190 does not, and it fails in precisely the same way I've personally >> seen three or four other Maxtor drives of the same era fail: It spins up >

Common Maxtor MFM drive failure mode -- any ideas?

2015-10-23 Thread Josh Dersch
Hi all -- I acquired a Symbolics 3640 today and it came equipped with two "large" capacity Maxtor MFM drives (an XT-1140 and an XT-2190). The 1140 spins up fine and we were able to image it using Dave Gesswein's MFM emulator (yay). The 2190 does not, and it fails in precisely the same way

Re: Common Maxtor MFM drive failure mode -- any ideas?

2015-10-23 Thread Josh Dersch
was spinning of course :)) and I didn't notice any goo-laden parts, but maybe I wasn't looking in the right place... - Josh Joe On Oct 23, 2015, at 3:04 AM, Josh Dersch <dersc...@gmail.com> wrote: Hi all -- I acquired a Symbolics 3640 today and it came equipped with two "large" cap

Deciphering PDP-11/05 ZQKC (Instruction Exerciser) MAINDEC failures...

2015-11-08 Thread Josh Dersch
Hi all - As noted in a mail last week, I now have my PDP-11/05 running with working core (8KW). I had some time last night to try loading in some "real" software, and I started with the PDP-11 paper-tape BASIC, which I've successfully loaded into memory (in theory). At this point, it became

Re: x86/DOS system backup via rs232?

2015-11-13 Thread Josh Dersch
On Fri, Nov 13, 2015 at 5:08 PM, Jules Richardson < jules.richardso...@gmail.com> wrote: > On 11/12/2015 05:52 PM, Chuck Guzis wrote: > >> On 11/12/2015 01:54 PM, Jules Richardson wrote: >> >> >>> > Alternatively, you could boot DOS from floppy with INTERLINK/INTERSVR >> installed and use another

Re: Software for small-memory PDP-11s?

2015-11-13 Thread Josh Dersch
On Fri, Nov 13, 2015 at 2:52 PM, j...@cimmeri.com <j...@cimmeri.com> wrote: > > > On 11/13/2015 5:45 PM, Josh Dersch wrote: > >> Hey all -- >> >> Now that I have my PDP-11/05 running nicely, >> > > What did you end up doing to arrive at that f

Re: MAINDEC-11-DZQKC-E-D listing posted (Re: Deciphering PDP-11/05 ZQKC (Instruction Exerciser) MAINDEC failures...)

2015-11-10 Thread Josh Dersch
On 11/10/15 2:10 PM, Jay Jaeger wrote: On 11/9/2015 3:42 PM, Josh Dersch wrote: On Mon, Nov 9, 2015 at 12:37 PM, Jay Jaeger <cu...@charter.net> wrote: On 11/8/2015 11:50 AM, Josh Dersch wrote: Anyone have any experience with this particular diagnostic? Thanks, Josh The versi

ISO: PDP-11/05 top cover

2015-11-04 Thread Josh Dersch
Subject line says it all -- I'm looking for the top/side cover for the "slim" PDP-11/05. Probably not infeasible to build one, but I figured I'd ask around first. Got lucky on a cheap 8KW core plane (H214) on eBay to replace the damaged one the /05 came with (which we had a discussion about

Re: ISO: PDP-11/05 top cover

2015-11-04 Thread Josh Dersch
On 11/4/15 9:05 PM, ste...@malikoff.com wrote: Original Message Subject: ISO: PDP-11/05 top cover From:"Josh Dersch" <dersc...@gmail.com> Date:Thu, November 5, 2015 2:48 pm To: "General Discussion: O

Re: ISO: PDP-11/05 top cover

2015-11-05 Thread Josh Dersch
On 11/5/15 2:19 AM, Joseph Lang wrote: I've got one. Just pay shipping and it's yours. I don't expect to ever get the 11/05 to go with it ;-) Joe Thanks! I've sent an offlist reply... - Josh On Nov 4, 2015, at 11:48 PM, Josh Dersch <dersc...@gmail.com> wrote: Subject line says

Re: HP 1663A Logic Analyzer keyboard

2015-10-14 Thread Josh Dersch
On Wed, Oct 14, 2015 at 3:54 PM, Glen Slick wrote: > On Wed, Oct 14, 2015 at 2:25 PM, Chuck Guzis wrote: > > > > A quick check on prices for a HP A4220-62001, adapter seems to show that > > they aren't terribly expensive. > > > > It has never been clear

Re: MFM Emulator

2015-10-07 Thread Josh Dersch
On 10/7/15 9:24 PM, Ali wrote: Hello All, This is just a general shout out and thanks to David (Gesswein) for the excellent work on the MFM emulator boards. I received both of my fully assembled emulators today. They arrived professionally packaged and ready to go out of the box. I wish more

8-sector decpacks?

2015-10-15 Thread Josh Dersch
Does anyone have any idea what drive/system an 8-sector decpack would have been used with? We have a few of them on our shelves at the LCM and I can't find any reference that mentions 8-sector packs. (Just the usual 12 and 16-sector ones.) They're clearly labeled "decpack 1100 BPI - 8" and

Re: Motherboard (Was: The Burroughs B5900 and E-Mode

2015-10-15 Thread Josh Dersch
On Thu, Oct 15, 2015 at 10:38 AM, tony duell wrote: > > "Motherboard" was around then, although Burroughs might not have used it. > > Burroughs might very well have been more inclined to call it "backplane". > > I generally use the term 'motherboard' for the sort of

RE: 8-sector decpacks?

2015-10-15 Thread Josh Dersch
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of tony duell > Sent: Thursday, October 15, 2015 11:00 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: RE: 8-sector decpacks? > > > Half density? I vaguely remember an RK05 style

Re: Symbolics MCD-405 tape drive / Georgens Industries

2015-10-08 Thread Josh Dersch
On Thu, Oct 8, 2015 at 11:15 AM, Al Kossow wrote: > Does anyone have a loose 3M/Georgens MCD-405 tape drive they could take > board pictures > and firmware dumps from, or any of the other MCD-40 series tape drives? > I'm trying to > figure out how similar it is to the one in

Re: DEC H7140 (11/40) power supply revisions and general advice?

2015-10-10 Thread Josh Dersch
> On Oct 10, 2015, at 4:15 AM, Mattis Lind <mattisl...@gmail.com> wrote: > > 2015-10-10 5:42 GMT+02:00 Josh Dersch <dersc...@gmail.com > <mailto:dersc...@gmail.com>>: > >> Hey all -- >> >> > First of all I haven't poked around in the

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-10 Thread Josh Dersch
> On Oct 10, 2015, at 2:15 AM, tony duell wrote: > >> >> Once again, I find myself in over my head debugging a power supply, this >> time an H7140 from a PDP-11/44. Here's the skinny: > > That doesn't surprise me, the H7140 is one of the most complex PSUs you are >

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-10 Thread Josh Dersch
On Sat, Oct 10, 2015 at 8:44 PM, Josh Dersch <dersc...@gmail.com> wrote: > On Sat, Oct 10, 2015 at 2:38 PM, tony duell <a...@p850ug1.demon.co.uk> > wrote: > >> > >> > From a quick glance at the schematic I think that this part is related >> to >>

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-10 Thread Josh Dersch
On Sat, Oct 10, 2015 at 2:38 PM, tony duell wrote: > > > > From a quick glance at the schematic I think that this part is related to > > the fan driving circuitry. The diodes look like some kind of protection > > Yes. > > > diodes which is good to have when switching

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-11 Thread Josh Dersch
On Sun, Oct 11, 2015 at 12:07 PM, Brent Hilpert <hilp...@cs.ubc.ca> wrote: > On 2015-Oct-10, at 8:44 PM, Josh Dersch wrote: > . . . > > Thanks for the explanation. I tacked on some wires to the bias board (to > > bring them out for safe probing); the wires are c

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-11 Thread Josh Dersch
On 10/11/15 6:19 PM, Josh Dersch wrote: On Sun, Oct 11, 2015 at 12:07 PM, Brent Hilpert <hilp...@cs.ubc.ca <mailto:hilp...@cs.ubc.ca>> wrote: On 2015-Oct-10, at 8:44 PM, Josh Dersch wrote: . . . Note that the "+13V" supply must also be present,

DEC H7140 (11/40) power supply revisions and general advice?

2015-10-09 Thread Josh Dersch
Hey all -- Once again, I find myself in over my head debugging a power supply, this time an H7140 from a PDP-11/44. Here's the skinny: I examined the supply physically before experimenting and found a capacitor on the Bias/Interface board that was leaking, bursting and rather burned-out

Re: DEC H7140 (11/44) power supply revisions and general advice?

2015-10-09 Thread Josh Dersch
And as I just noted after Jay's response, the subject line should say "11/44" not "11/40." Corrected... - Josh On 10/9/15 8:42 PM, Josh Dersch wrote: Hey all -- Once again, I find myself in over my head debugging a power supply, this time an H7140 from a PDP-11/44. He

Re: Symbolics MCD-405 tape drive / Georgens Industries

2015-10-09 Thread Josh Dersch
On 10/8/15 3:53 PM, Josh Dersch wrote: On Thu, Oct 8, 2015 at 11:15 AM, Al Kossow <a...@bitsavers.org <mailto:a...@bitsavers.org>> wrote: Does anyone have a loose 3M/Georgens MCD-405 tape drive they could take board pictures and firmware dumps from, or any of the

Re: DEC H7140 (11/40) power supply revisions and general advice?

2015-10-09 Thread Josh Dersch
On 10/9/15 9:13 PM, Jay Jaeger wrote: On 10/9/2015 10:42 PM, Josh Dersch wrote: Capacitor C4 looks to be involved with the START-UP DRIVE signal circuitry (which drives the relay) so the behavior I'm seeing makes sense if C4 died and took a couple of things with it (or if something else died

Re: Software for small-memory PDP-11s?

2015-11-14 Thread Josh Dersch
On 11/14/15 7:07 AM, Jerome H. Fine wrote: Sorry I forgot to remove the SPAM KEY notice thsat my e-mail places there >Paul Koning wrote: On Nov 13, 2015, at 5:45 PM, Josh Dersch <dersc...@gmail.com> wrote: Hey all -- Now that I have my PDP-11/05 running nicely, I'm cur

Re: MEM11 Status Update

2015-09-01 Thread Josh Dersch
On 9/1/15 10:10 PM, tony duell wrote: I could, but the point is to run 1972 Unix on machine that was around in 1972, even if I have emulate things like the RF disks. Except that the MEM11 wasn't around in 1972. I think the point here, is that much of the hardware that is necessary to run

Re: Interlisp-D (Medley) "display font" disks for the 1186?

2015-09-06 Thread Josh Dersch
On 9/6/15 10:59 AM, Al Kossow wrote: On 9/6/15 8:43 AM, Josh Dersch wrote: I'm going to look at more the disks that don't have "300 DPI" in the label (since those are unlikely to be display fonts). right, those are 4045 laser printer fonts Wrote out a couple of disks t

Re: Interlisp-D (Medley) "display font" disks for the 1186?

2015-09-07 Thread Josh Dersch
On 9/7/15 8:01 AM, Al Kossow wrote: On 9/6/15 2:18 PM, Josh Dersch wrote: Lots of other disks to look through but it's a pain to get them written out; one of those HxC floppy drive emulators is looking rather nice right now :). you might want to see if http://bitsavers.org/bits/Xerox

ISO: Manual for Emulex CS21/H

2015-09-08 Thread Josh Dersch
Anyone out there have a manual for the Emulex CS21/H (or possibly the /U variant)? This is a UNIBUS DH11 clone. (There are also /FA, /FB, /FC, and /FD variants which are DMF32 clones - and we have the manual for these but it's of no use for our CS21/H boards :)). At the very least, if anyone

RE: ISO: Manual for Emulex CS21/H

2015-09-08 Thread Josh Dersch
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ethan Dicks > Sent: Tuesday, September 08, 2015 5:37 PM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: ISO: Manual for Emulex CS21/H > On Tue, Sep 8, 2015 at 5:

Re: KV-S3065CW scanners

2015-09-02 Thread Josh Dersch
On Wed, Sep 2, 2015 at 2:59 PM, Al Kossow wrote: > http://www.ebay.com/itm/201392632552 > > this is a good deal if the paper path isn't scratched up in them. > > the CW model has a 11" width feed and can scan a sheet 6 feet long. > > these are the ones I've been using for 5+

Interlisp-D (Medley) "display font" disks for the 1186?

2015-09-06 Thread Josh Dersch
Hi all -- I've been working on getting a Xerox 1186 workstation up and running again, using the floppy images on Bitsavers. I have the "Medley" Interlisp-D software installed (after writing out and installing from ~25 floppies) and running and I'm attempting to load in the related libraries

Re: Interlisp-D (Medley) "display font" disks for the 1186?

2015-09-06 Thread Josh Dersch
On 9/6/15 7:48 AM, Al Kossow wrote: On 9/5/15 11:10 PM, Josh Dersch wrote: Anyone happen to have these floppies and/or images of them? I have several moving boxes of 5" floppies I got from Envos when the left Redwood City I'll see what's there. The display fonts should be common acros

RE: ISO: Manual for Emulex CS21/H

2015-09-10 Thread Josh Dersch
at 8:37 PM, Ethan Dicks <ethan.di...@gmail.com> wrote: > > On Tue, Sep 8, 2015 at 5:17 PM, Josh Dersch > > <jo...@livingcomputermuseum.org> wrote: > >> Anyone out there have a manual for the Emulex CS21/H (or possibly the /U > >> variant)? > > >

Re: Interlisp-D (Medley) "display font" disks for the 1186?

2015-10-02 Thread Josh Dersch
On 9/7/15 10:23 PM, Josh Dersch wrote: On 9/7/15 7:21 PM, Josh Dersch wrote: Quick update: This compiled (with warnings) on my Mac and seems to run fine. It does appear to support 5.25" 360K images and I was able to extract files from the 1186/6085 images (from Bitsavers). The View

Re: Cloud-cuckoo land

2015-09-26 Thread Josh Dersch
On 9/26/15 6:18 AM, Pontus Pihlgren wrote: Come on guys, we have been over this a thousand times. Value is what someone is willing to pay. And with 32kW of memory and resonable condition (no rust or rodents) the price is not off by a factor of ten as you suggest. Perhaps a factor two or three.

Resetting/bypassing P/OS password on DEC Pro 3xx series?

2015-09-27 Thread Josh Dersch
Anyone recall what the procedure is for resetting or bypassing the password on P/OS? I *know* I was able to find this out before (in 2008 or so) because I did it on another Pro 350 I have, but I cannot for the life of me find anyplace that documents the procedure (the FAQ

Re: ISO 800-3827-10A_SunOS_Reference_Manual, part one

2015-09-19 Thread Josh Dersch
On 9/19/15 10:44 AM, Al Kossow wrote: On 9/19/15 10:34 AM, Josh Dersch wrote: I also have a ton of stuff for 3.0, I'll see if there's anything I have that isn't already on Bitsavers. I'm working through 3.0, 4.0, and 4.1.1 this morning. 2.x would be good to scan. Cool, I'll do

Re: Honeywell/Bull DPS-6 deskside info?

2015-09-24 Thread Josh Dersch
On 9/23/15 2:56 PM, Sean Caron wrote: Ah, so these are the vintagetech.com machines! Please take lots of pics of the DPS-8 inside and out; I've never really seen the innards of a Honeywell machine before and I'm kind of curious what their "style" looks like. Best, Sean Will do. I took the

Re: DDS SETASI SC44 info?

2015-09-24 Thread Josh Dersch
-- it was dark and all I had was my cell phone, I'll try to get better pics tomorrow): http://yahozna.dyndns.org/scratch/sc44/ Did you just buy this? :O http://vintagetech.com/sales/Big%20Iron/PDP%2011-44/Information Yep :). - Josh Best, Sean On Wed, Sep 23, 2015 at 5:40 PM, Josh Dersch

Re: Acquiring a bunch of Lisp Machines

2015-09-25 Thread Josh Dersch
On Fri, Sep 25, 2015 at 7:44 AM, Guy Sotomayor wrote: > He's going to find it rough going in trying to get the machines running > with new/empty disks. :-( It's one > of the fears that I have for my 3620 and 3640's in that I'd like to have > replacement disks but without

Re: Acquiring a bunch of Lisp Machines

2015-09-25 Thread Josh Dersch
On Fri, Sep 25, 2015 at 8:01 AM, Sean Caron wrote: > I would call that like ... a frustratingly nice score, LOL. Lots of > Symbolics equipment saved which is a huge plus, but if it were me, I'd > rather have one Ivory machine that ran, versus a whole pallet of 3620s and > 3640s

Re: Honeywell/Bull DPS-6 deskside info?

2015-09-25 Thread Josh Dersch
On 9/25/15 12:50 PM, Sean Caron wrote: Very nice, thank you! No problem at all! That DPS-6 page wasn't kidding when they said the boards were on the large side! Very interesting; they definitely have their own unique style about them ... they really liked to use daugherboards! That memory

Re: ISO 800-3827-10A_SunOS_Reference_Manual, part one

2015-09-18 Thread Josh Dersch
On Fri, Sep 18, 2015 at 1:48 PM, Al Kossow wrote: > On 9/18/15 1:46 PM, Jason T wrote: > >> On Fri, Sep 18, 2015 at 3:43 PM, Al Kossow wrote: >> >>> great timing! >>> the rest of the set is under http://bitsavers.org/pdf/sun/sunos/4.1 >>> >> >> Good deal.

Re: ISO 800-3827-10A_SunOS_Reference_Manual, part one

2015-09-19 Thread Josh Dersch
On 9/18/15 2:16 PM, Al Kossow wrote: On 9/18/15 1:52 PM, Josh Dersch wrote: I need to check my shelves for specifics, but I have a lot of SunOS documentation for early releases (1.0-3.0 or so) -- I can scan it if you don't already have it in the queue... - Josh I don't have anything

DDS SETASI SC44 info?

2015-09-23 Thread Josh Dersch
Hi all -- I just added a PDP-11/44 to my collection and it appears to have some manner of cache upgrade; it's made by Digital Data Systems (DDS) and consists of two cards, one hex-height labeled "SC44 SETASI" (in the place of the normal 11/44 cache board) and a second quad-height labeled "1051"

Honeywell/Bull DPS-6 deskside info?

2015-09-23 Thread Josh Dersch
Along with the 11/44 I also picked up a Honeywell/Bull DPS-6 deskside workstation; I can't seem to dig up much information specific to this model (a badge on the rear labels it as "Model/Index No. B01732"). I can take some detailed pictures later this week after I've had time to clean it up (it's

Re: DDS SETASI SC44 info?

2015-09-23 Thread Josh Dersch
FYI, I've thrown up a couple of (cell phone) photos of the SC44 boards here: http://yahozna.dyndns.org/scratch/sc44/ I'll have the machine home in a few days and I'll be able to take better pictures then... - Josh On 9/23/15 2:40 PM, Josh Dersch wrote: Hi all -- I just added a PDP-11/44

ISO: FP11-F (M7093) for PDP-11/44

2015-09-23 Thread Josh Dersch
The 11/44 I acquired recently has a complete CPU set but no FP11-F board (M7093). I'd like to be able to run 2.11BSD (or other UNIX) on this machine, so having floating point hardware is pretty essential -- anyone have one going spare for sale/trade? Thanks as always, Josh

Re: Honeywell/Bull DPS-6 deskside info?

2015-09-24 Thread Josh Dersch
ears ago we used them as Data Entry machines, but I have no documents and have forgotten everything I knew. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Josh Dersch Sent: 23 September 2015 22:45 To: General Discussion: On-Topic and Off-Top

Re: DDS SETASI SC44 info?

2015-09-24 Thread Josh Dersch
ave to craft up some benchmarks once I get mine running... Thanks, Josh Best, Sean On Thu, Sep 24, 2015 at 3:02 AM, Josh Dersch <dersc...@gmail.com> wrote: On 9/23/15 2:52 PM, Sean Caron wrote: Any easy way to post pics of the top side of both boards? I can't definitively ID

Re: List vs. community size

2015-12-08 Thread Josh Dersch
On Tue, Dec 8, 2015 at 2:33 PM, Jason T wrote: > On Tue, Dec 8, 2015 at 4:32 PM, Chuck Guzis wrote: > > On 12/08/2015 02:23 PM, William Donzelli wrote: > >> > >> Yes, keep the kewl machines elsewhere. Our machines are groovy, far > >> out, or maybe even

Anyone interested in old (PDP-8 driven) Radio Automation hardware?

2015-12-08 Thread Josh Dersch
Hi all -- I have recently acquired a PDP-8/m system that was used to drive a radio automation rig (very very similar to this: http://www.bowkera.com/kcbs1.htm ). My understanding is that this system hooked to banks of what were essentially 8-track tape drives, each of which held a short loop of

Re: Looking for a PERQ

2015-12-09 Thread Josh Dersch
On 12/9/15 7:54 AM, tony duell wrote: I rescued one for VCFederation museum two years ago. http://vintagecomputer.net/perq/ I was just looking at it this weekend. It needs a keyboard and mouse I believe. I remember there was a guy in Texas who had a few, never heard the full story though.

Re: Looking for a PERQ

2015-12-09 Thread Josh Dersch
On Wed, Dec 9, 2015 at 9:11 AM, tony duell wrote: > > The Kriz tablet definitely existed, I have half of one (it's the "mouse" > > portion, it basically looks like a Hawley mouse without the ball). The > > device is supported in the Z80 code, PERQ microcode and POS

Re: Fabritek MP-12 Loader

2015-12-03 Thread Josh Dersch
On 12/3/15 8:27 AM, Kyle Owen wrote: A colleague and I are working on getting our respective Fabritek MP-12s working. The MP-12 is an industrial-looking computer with a very limited front panel (deposit doesn't increment PC...gah!) but does emulate most respects of a PDP-8. So far, we've been

Re: Fabritek MP-12 Loader

2015-12-03 Thread Josh Dersch
On Thu, Dec 3, 2015 at 12:15 PM, Kyle Owen <kylevo...@gmail.com> wrote: > On Thu, Dec 3, 2015 at 11:09 AM, Josh Dersch <dersc...@gmail.com> wrote: > > > > I have what sounds like the same machine outfitted with the same > interface > > (basically it looks like

Re: 2.9.1 BSD on 11/34 + sc21-bm + fujitsu m2333k

2015-12-12 Thread Josh Dersch
On 12/11/15 5:50 PM, Jacob Ritorto wrote: Exciting stuff for a Friday night, right? Here's a visual aid in case you're needing further inspiration: https://www.instagram.com/p/_K-zHhHvLn78Qu5ijWqMf-HBem1LKMLaEdI1c0/ The M2333K is the smaller one on the left with the green and yellow lights on.

Identifying Data General (or DG-related) console/terminal/whatsit?

2015-12-13 Thread Josh Dersch
Hi all -- A friend of mine is investigating picking up some DG hardware, and this item: http://yahozna.dyndns.org/scratch/dg/dg%20console.jpg Is included along with the rest of it. I *know* I've seen something like this somewhere but I can't find anything now that I need it :). Can

Re: TOP POSTING (was: RE: Best 200 buck I have ever spent!!! Deal of a lifetime!!!

2015-12-11 Thread Josh Dersch
On Fri, Dec 11, 2015 at 10:33 AM, Liam Proven wrote: > On 10 December 2015 at 18:07, tony duell wrote: > > If your mail program doesn't let you scroll to the end of a message and > > start typing then it is fundametnally broken. It may not be

ISO: DEC M8320 (KK8E, PDP-8/e/f/m Bus Loads)

2015-11-28 Thread Josh Dersch
Hi all -- I inherited a PDP-8/m awhile back. Actually, I inherited a mostly empty chassis, which I've been slowly populating. I now have everything I need for a working CPU except for an M8320. Anyone have one going spare for something less than eBay prices (or for trade)? While I'm

Re: SunOS 4

2016-06-08 Thread Josh Dersch
On Wed, Jun 8, 2016 at 12:57 PM, Swift Griggs wrote: > On Wed, 8 Jun 2016, Plamen Mihaylov wrote: > > SunOS 4.1.4 sun4 iso image is available at > > https://winworldpc.com/download/3E59C28A-18DA-11E4-99E5-7054D21A8599 > > Methinks it's bogus. It's only 40.23MB in size on

Anyone with a Data General Eclipse S/230 out there?

2016-06-07 Thread Josh Dersch
I just acquired a DG Eclipse S/230 in semi-decent condition. It's mostly complete with some fun peripherals in a gigantic rack. It'll be fun to get it going, but it's going to be a challenge -- the machine has been scavenged from here and there, I'm missing basic TTY I/O and controllers for the

Re: Unknown oldie w/8" floppy drives in Cheyenne Wyoming auction

2016-06-10 Thread Josh Dersch
On Fri, Jun 10, 2016 at 12:49 PM, Pete Lancashire wrote: > http://nicodemusauctions.com/wp-content/uploads/2016/05/IMG_0238.jpg > > http://nicodemusauctions.com/event/houge-electric-estate-auction/ > > Other then getting the notice I have no connection > Looks like OSI

Anyone have MULTOS/8 running on SimH?

2016-06-10 Thread Josh Dersch
I'm investigating getting MULTOS/8 running on the 8/e here at the museum and I thought I'd start by getting acquainted with it on SIMH. I've picked up the disk pack from Dave Gesswein's site here: https://www.pdp8online.com/pdp8cgi/os8_html?act=dir;fn=images/os8/multos8.rk05;sort=name and the

RE: Anyone have MULTOS/8 running on SimH?

2016-06-10 Thread Josh Dersch
, problem solved... kind of. - Josh From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Josh Dersch [jo...@livingcomputermuseum.org] Sent: Friday, June 10, 2016 4:24 PM To: 'General Discussion: On-Topic and Off-Topic Posts' Subject: Anyone have MULTOS/8

Re: VAX-11/780 Board Set on eBait

2016-06-09 Thread Josh Dersch
On Thu, Jun 9, 2016 at 3:48 AM, Noel Chiappa wrote: > > From: Devin Davison > > > well there goes my plan of trying to keep it under the radar. > > Sorry, I didn't mean to upset your plan (and you); I just didn't know if > anyone was watching for VAX-11/780

RE: MULTOS/8 progress, and a question...

2016-06-14 Thread Josh Dersch
... - Josh > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Josh > Dersch > Sent: Tuesday, June 14, 2016 10:14 AM > To: 'General Discussion: On-Topic and Off-Topic Posts' > <cctalk@classiccmp.org> > Subject: MULTOS/8 progress, an

MULTOS/8 progress, and a question...

2016-06-14 Thread Josh Dersch
Hi all -- Having overcome my earlier issues with SIMH, I now have MULTOS/8 happily running on the real hardware, with two terminals. (Yay!). I'd like to get the system up to four terminals and here's where I'm running into trouble. I've modified PARAM.PG appropriately (set JOBS to 4, TERMS

Re: SunOS 4

2016-06-08 Thread Josh Dersch
On Wed, Jun 8, 2016 at 1:04 PM, Josh Dersch <dersc...@gmail.com> wrote: > On Wed, Jun 8, 2016 at 12:57 PM, Swift Griggs <swiftgri...@gmail.com> > wrote: > >> On Wed, 8 Jun 2016, Plamen Mihaylov wrote: >> > SunOS 4.1.4 sun4 iso image is available at >>

Re: AT 5620 (Blit/DMD) software

2016-05-28 Thread Josh Dersch
On 5/28/16 2:15 PM, Seth Morabito wrote: Hey folks, I recently picked up an AT 5620 terminal, the WE32K version of the Blit, and I've been tracking down software to run on my 3B2. It looks like there are two separate packages which provide the 'layers' windowing system: 1. A package named "AT

Re: AT 3b2 vs SCSI2SD drive replacement

2016-06-01 Thread Josh Dersch
On Wed, Jun 1, 2016 at 10:36 AM, Jerry Kemp wrote: > We have recently had activity on the list discussing AT 3b2 related > stuff, then earlier today we have had discussions concerning the SCSI2SD > drive replacement hardware. > > I was reviewing the online documentation for

Re: AT 3b2 vs SCSI2SD drive replacement

2016-06-01 Thread Josh Dersch
On Wed, Jun 1, 2016 at 1:08 PM, Swift Griggs wrote: > On Wed, 1 Jun 2016, Pete Turnbull wrote: > > Not so slow that it's awful on an Indy (apart maybe from booting), but > > noticeably slower than people expect on faster machines. The ACARD ones > > seem to be faster.

Re: PDP-11/40 modified to be a PDP-11/23

2016-06-21 Thread Josh Dersch
On 6/21/16 6:05 PM, Michael Thompson wrote: The RICM just picked up a PDP-11/40 chassis that was modified to accept a PDP-11/23 board set. It also contains a custom board to interface the PDP-11/23 to the original PDP-11/40 front panel. It is quite an accomplishment to get the Q-Bus board set

Re: Programming for the Alto's Mesa

2016-06-21 Thread Josh Dersch
On 6/21/16 6:46 AM, Liam Proven wrote: >From the discussions around Y Combinator's Alto restoration... (Some may not know that the founder of Y Combinator is Paul Graham, using some of the money Yahoo! paid him for Viaweb, which became Yahoo Stores. PG is a Lisp champion and evangelist.) The

Still ISO: Infotek MX-30 Memory boards for Infotek FP-30 (HP 9830 upgrade)

2016-06-21 Thread Josh Dersch
Hey all -- Several years ago (well, three years ago, anyway) I stumbled upon a beat-up, incomplete HP 9830 desktop computer/calculator that had been upgraded with an Infotek FP-30 CPU upgrade. Unfortunately, it's missing the special memory boards (the MX-30) the system requires. I asked around

ISO: Terak 8510/a Keyboard and Monitor

2016-06-18 Thread Josh Dersch
Hi all -- At long last my Terak 8510/a is working again! I'd repaired the power supply a couple of years back but the system simply would not behave properly. I traced it down to some very unreliable IC sockets (they were not high-quality when they were new, and the damp environment this

ISO: Unibus SCSI disk controller

2016-01-16 Thread Josh Dersch
(...but then who isn't). I'm looking for a mass-storage device for my PDP-11/44, and I'm having worse and worse luck with my current solution, an Emulex SMD controller -- drives just keep going south on me (the controller works fine, though...) I know how hard these things are to find, but

Power cable identification

2016-06-25 Thread Josh Dersch
So I know for certain that this topic has come up before, but I cannot for the life of me find the thread(s) it appeared in, so I'm asking again (apologies in advance). What is the name of the rounded, 3-pin power connector often seen on early test equipment (I've seen it on older HP and

Re: Power cable identification

2016-06-25 Thread Josh Dersch
On Sat, Jun 25, 2016 at 8:12 PM, Glen Slick <glen.sl...@gmail.com> wrote: > On Sat, Jun 25, 2016 at 8:09 PM, Josh Dersch <dersc...@gmail.com> wrote: > > So I know for certain that this topic has come up before, but I cannot > for > > the life of me find the thread(s)

Re: Power cable identification

2016-06-26 Thread Josh Dersch
On 6/26/16 8:58 AM, j...@cimmeri.com wrote: On 6/26/2016 10:56 AM, Brent Hilpert wrote: On 2016-Jun-25, at 8:09 PM, Josh Dersch wrote: What is the name of the rounded, 3-pin power connector often seen on early test equipment (I've seen it on older HP and Fluke stuff)? I have an S-100

Re: options for replacing failed small ROMs in PDP-11

2016-06-24 Thread Josh Dersch
On Fri, Jun 24, 2016 at 7:41 PM, Fritz Mueller wrote: > Thanks for the info, Don -- learning a lot about this stuff as I go... > > I had wondered if the part might have been a mask ROM rather than a PROM. > And wrt. timing, I was certainly mistaken to call the nominal interval

Re: pdp 11?

2016-06-26 Thread Josh Dersch
The DL11-W is a UNIBUS serial line + real-time clock. - Josh On 6/26/16 10:11 PM, Adrian Stoness wrote: friend found this now opening channels to rescue it its an 11 of some sort not sure witch one

Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-01-29 Thread Josh Dersch
On 1/29/16 8:04 AM, j...@cimmeri.com wrote: On 1/28/2016 8:37 PM, Chuck Guzis wrote: On faster, more modern systems, I use VirtualBox. Just not worth the extra trouble finding drivers--but I suspect 98SE will run on P4 systems as well. The one thing I'm not seeing mentioned in re

ISO: VAX-11/750

2016-02-03 Thread Josh Dersch
So, I figure it's unlikely, but I've been jonesing for a "larger" VAX and I'd like to track down an 11/750 (or an 11/730). If anyone out there has one for sale trade (in any condition apart from "pile of slag"), let me know. I have DEC and various other gear for trade. Thanks as always! -

TI System V?

2016-01-20 Thread Josh Dersch
Anyone have any idea where one might track down a copy of TI System V for the S1500 series? I've had these two TI UNIX systems for awhile now, a TI S1505 and a TI S1507 (68030 and 68040-based, respectively). They came without hard drives or OS media and so they've basically been doorstops.

Free to a good home: Honeywell/Bull DPS-6 workstation / server (Seattle, WA)

2016-01-22 Thread Josh Dersch
Hi all -- I picked this DPS-6 up over the summer and it's just taking up space (quite a bit of space) in the corner of my basement. This is a custom 16-bit, bitsliced, microcoded CPU from the early 80s with (I believe) 8mb of memory, and ethernet. It would originally have run a version of

Free (for pickup): RX02 external enclosure (Seattle, WA)

2016-01-24 Thread Josh Dersch
I just rack-mounted my RX02 and I have no need for the "table-top" enclosure it came in any longer (as nice as it is). It's in good shape, but it's missing one rubber foot. Free to a good home. I'm near Seattle, WA. - Josh

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