test-drb April 2007

test-drb@ccmp.vtda.org

257 participants
560 discussions

Anyone near Lexington,KY? Rescue these CP/M systems!

by legalize＠xmission.com

I'd much rather see this go into the hands of a collector in the area than end up in the hands of the high price reseller "compuermkt". The terminal looks interesting, although the one pictured has a bit of "screen rot". It looks like it might be an OEM'ed Beehive terminal, but its hard to tell without seeing it in person. "Vector" systems are pretty hard to come by as far as CP/M S-100 bus based systems go, but I did have a chance to play with one in 1979/1980. ======== Ebay item # 290109142460 Current bid $50, 1 bidder Lot contains: You are bidding on our years of classic computers. The photos only show 1 Vector MZ, one Vector 4, the NEC printer, and NEC 386 system. The total inventory is listed below. This computer equipment has been used and retired and has been in storage for years. The equipment worked when stored, but current working order is unknown. The keyboard of one of the MZ systems is slightly damaged (broken pieces from the frame around the keyboard. SOLD AS IS! Here is the inventory: 2 - Vector MZ systems with Arabrite software and keyboard (bilingual) 2 - Vector 4 systems 1 - NEC wide carriage impact printer that can do bilingual printing 1 - NEC 386 system with small impact printer 2 - Epson impact printers We are in and out of Lexington, KY where this equipment is stored, so pickup and/or delivery of this lot will need to be arranged, and I cannot garuntee it will be immediately after auction end. If you are interested, please email me so we can arrange a pickup or ship time. ======== -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

17 years, 5 months

MPX-16 stuff found

by rcini＠optonline.net

All: While moving things around in the shop, I came across an envelope containing some floppy disks for the Micromint MPX-16. These disks include the source code for the ROM BIOS and an apparently unreleased copy of MS-DOS 1.25. I posted copies of these on the My Documents page of my Highgate site. Rich -- Rich Cini Collector of Classic Computers Build Master and lead engineer, Altair32 Emulator http://www.altair32.com http://highgate.comm.sfu.ca/~rcini/classiccmp

17 years, 5 months

Shugart 460VR / SA460 docs?

by glen.slick＠gmail.com

Anyone have Shugart 460VR / SA460 docs? Is a 460VR the same thing as a SA460? The drive in my Intel iPDS says Model No. 460VR. Could it be functionally replaced by an original IBM PC full height 5.25 drive? The drive from the iPDS has jumpers on both DS1 and DS4 installed. I wonder why that is?

17 years, 5 months

Tandon TM100-2A drives

by julesrichardsonuk＠yahoo.co.uk

Does anyone know if these are 40 or 80 cylinder? Google seems to suggest that they're 40 (which is what I need). The drives all have little stickers on saying "Quad density" though (which always implies to me 80-track, but maybe to Tandon it means 40 track but you have the luxury of two sides :) cheers J.

17 years, 5 months

IBM 3420 drives

by wmaddox＠pacbell.net

Remember the pair of IBM 3420s that showed up on eBay a few weeks ago? The fellow that bought them sent me an email offering to sell them. If anyone here is suffering from "non-bidders remorse" for passing them up, please let me know ASAP and I'll put you in touch with him. --Bill

17 years, 5 months

Autonetics Recomp (circa. 1960) rescue

by aek＠bitsavers.org

> Any signs of the console typewriter or other peripherals? no. will do some more digging but they may have been accidentally discarded about 10 years ago. > What's the story behind the rescue? History San Jose was selling off some of the Perham collection today, mostly old VTRs and some radio stuff. Got a call that there were two KSR 35s, one of which we identified as the console from the SDS 930, and an ASR 33 out there, so I drove down to retrieve them. When I got there, the RECOMP was on the pallet next to one of the 35s. I'm going to try to set up a time to go through the computer stuff to try to find the rest, but I'm not hopeful, since I don't recall seeing the desk or typewriter.

17 years, 5 months

Autonetics Recomp (circa. 1960) rescue

by aek＠bitsavers.org

http://bitsavers.org/pdf/autonetics/recomp/pics

17 years, 5 months

Lack of 8-bit threads (was Re: Linux question)

by ajp166＠bellatlantic.net

> >Subject: Lack of 8-bit threads (was Re: Linux question) > From: "Zane H. Healy" <healyzh at aracnet.com> > Date: Fri, 20 Apr 2007 15:34:08 -0700 (PDT) > To: cctalk at classiccmp.org > >Tony wrote: >> If this is true, and it certainly seems to be, then the 'cure' for no >> real 80bit micro discussiosn is to start some. >> >> However, I've noticed that some 8-bit home computer threads don't seem to >> go anywhere. A couple of weeks back somebody posted about that > >I think that it is safe to say that while the list is for "Classic >Computers", it has a *VERY* strong DEC orientation. There is also a very >large number of messages on "generic" hardware issues and "generic" data >archival issues. I'm stong DEC person but 75% of my collection is 8bitters. I have a lot of experience with 8bitters in the single chip and multichip realm. But 8bitters is a large space, runs the gamut from intel/zilog to 1802. >Perhaps part of the problem is that there are better places to go for >things such as C64's, Apple ]['s, Amiga's and the like. I honestly don't >know. I do know that I typically do not ask VMS questions here, rather I go >to comp.os.vms. there is that also the Commies are a special breed as are the Apple]['s and a generic forum would miss the sublties that are implementation specific. >I do know that in my case I have almost no room at home for Classic Computer >stuff, as a result the classic systems that I have at home right now that >aren't hopelessy buried are a couple VAXen, a pair of PDP-11's, and a C-64. >I also have almost no free time, so the main system that sees *any* use is >the VAXstation 4000/vlc (it is my DECnet Area Router). ;) I've pretty much cubed out here too. However I have them arranged so a large number of them are accessable and even operable. Nothing like a 9way VMS LAVC to perk up a day. Allison

17 years, 5 months

Junkbox CP/M system?

by ajp166＠bellatlantic.net

> >Subject: Re: Junkbox CP/M system? > From: Allison <ajp166 at bellatlantic.net> > Date: Sun, 22 Apr 2007 20:04:03 -0400 > To: cctech at classiccmp.org > >> >>Subject: Junkbox CP/M system? >> From: Jos Dreesen <jos.dreesen at bluewin.ch> >> Date: Sun, 22 Apr 2007 22:13:35 +0200 >> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> >> >> >> >>Anyone knows of websites discussing true junkbox CP/M systems ? >> >>The P112 might be nice, but my junkbox contains only the standard Z80... >> >> Jos Dreessen > >Lookup ALPACA on Yahoo groups.com. There are several Z80 systems on the net. > > >Allison It was late wne I posted so here is something more useful and certainly there has to be something for everyone. If all else fails, I've made more than a few "one off" z80 systems using "junkbox" parts. To run CP/M you don't need a lot but the minimal and useful complete system are not far apart. Z80: Whatever you have! RAM: 48-64k of ram 48k will be enough to run a lot of software, but 64k is only 2 61256s (a 32kx8 SRAM). CP/M will run in 32k but limited application software will fit. The only requirement is ram starts at 0000h and be contigious for at least 20K(minimum) after boot. ROM: anything from 2k up, needed to "boot" the system. desireable to be able to disable it from the memory map. Serial port for a terminal (can be bitbash software to a single bit port) Some mass storage IDE, CF, Rom as a READonly DISK, Also ram can be made to look like disk and if all else a floppy controller and drive. Of all those IDE is the easiest and floppy is likely the more complex. Several desirable things but not required: Serial at least two serial ports (one SIO or DART has two). Conter timer either z80 CTC or common 8253 to provide both a baud clock for serial and a free counter timer for whatever. Parallel interface (IBM/centronics compatable) simple but allows for printers like Epson or HP4L. Parallel port using 8255 PPI, 24 IO lines software configurable, great for programmer or other projects that must be controlled. A video chip like 6845 for a self contained display system Keyboard interface that can accept XT or PS2 keyboard. Paged ram or rom for extra workspace. SITES----------------> Several items at this site worth looking at. http://www.retroleum.co.uk/z80-ideinterface.html Definate go to site for Z80 info: http://www.z80.info/ There are other sites from that link worth a trip, many are in German and have english translation, some don't, I've found them useful. The list would not be complete without Gaby's fine work: http://www.gaby.de/ecpmlink.htm Allison

17 years, 5 months

disassembling STacy with a SLEDGEHAMMER.

by ajp166＠bellatlantic.net

> >Subject: Re: disassembling STacy with a SLEDGEHAMMER. > From: Andrew Back <andy at smokebelch.org> > Date: Sat, 28 Apr 2007 09:02:22 +0100 (BST) > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > >On Fri, 27 Apr 2007, Cameron Kaiser wrote: > >>>> Unless anyone has any other bright ideas, it's going in the trash. It's my >>>> bloody money and I'll get my money's worth out of this piece of crap the >>>> Gallagher way. No wonder Atari burned out. >>> >>> Golly, Cameron--doesn't it say right there on the unit "No user- >>> serviceable components inside"? ;-) >> >> No, it just doesn't say much of anything. >> >> I have never met a machine more impossible to get into for its size. > >For your next torture, I mean task, try getting the lid back on a >VAXstation 2000. > >Andrew I dont know I have two and also two of the same box with TK50 in them. Once you know the incantation it's easy. Allison

17 years, 5 months

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test-drb April 2007