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Northstar Horizon - Boot Problem
First the situation and then the questions My formerly working Northstar Horizon will no longer boot formerly known-to-work boot disks. This system used to boot up a number of NS disks, worked very well with present hardware. Not sure what happened. I did all of the standard stuff with chips ... read more

by billdeg - 12/31/2007 15:22 - Total messages in this thread: 4 Last Post: North Star Horizon Diskette Catalog 07/02/2008
 
AT&T UNIX PC 3B1 vs. 7300
I received some AT&T UNIX PC parts this week from Mike Lee ( http://www.geekmuseum.org ) Specifically he sent me most of a UNIX PC "7300" model. I own a dead "3B1" model, which can be differentiated from the 7300 by it's raised monitor. I could not find any 3B1 images on the web, below is a ... read more

by billdeg - 06/28/2008 21:01 - Total messages in this thread: 1
 
Altair 8800bt notes
Original date: 1-1-05 Pictures: http://www.vintagecomputer.net/MITS/8800b-t/ Purchased from a seller in Florida Altair 8800b turnkey notes. 1-1-2005 Overall condition - excellent, no dust or crud internally. - cards and cables appear in excellent shape. - did not attempt to rem... read more

by billdeg - 01/01/2005 19:30 - Total messages in this thread: 8 Last Post: MITS 88-TPM Users Guide 06/28/2008
 
Collectible Micro Sleepers List Updated
Recently there was an article published in PC World titled "The Most Collectible PCs of All Time" http://www.pcworld.com/article/id,136242-page,1-c,desktoppcs/article.html I don't disagree with the list, but yawn...another rehash of the "standard" stuff we have all been hearing about for the pas... read more

by billdeg - 06/25/2008 10:10 - Total messages in this thread: 1
 
Items Wanted
This list is maintained regularly. Thread date is last update. Contact me Here. AT&T 3B1 Unix PC Power supply (not the 7300 variant, the beefier 3B1 version) NEC PC6011A Expansion Unit Compaq Deskpro 1984 or 3/25 model Computer Data Systems "Versitile 2" s-100... read more

by billdeg - 06/23/2008 20:17 - Total messages in this thread: 1
 
IC and chip inventory
Thread date is last update date. ID 2nd ID Comment/Quantity 1702 AM1702ADC 1702 PROM 2716 2 4116 30 6509 6522 1086 6526 4185 6526 4 6550 15 6581 7400 2 7404 2 7408 2 8136 M58725P 8146 8331 3334116 2 8041004 TRS801K CHIPS 2111A-4 2 2516JD-45 DAP8114 32... read more

by billdeg - 06/15/2008 00:15 - Total messages in this thread: 1
 
IBM PC 5150 Dump a BIOS using debug.com
This is a mirror of the original page http://mess.toseciso.org/dumping:dump_bios_using_debug/ C:> DEBUG -N MYF000.BIN (resulting file will be named MYF000.BIN) -R BX (set BX=0000H/CX=8000H as count of bytes to write, 00008000H = 32K) BX 0000 :0000 -R CX CX 0000 :8000 -M F000:0 8... read more

by billdeg - 06/14/2008 09:06 - Total messages in this thread: 2 Last Post: BIOS Dumps from IBM 5150 06/14/2008
 
NEC PC-6001A
On the eve of the launch of the IBM Personal Computer in 1981, NEC also began selling computers in the USA market. The PC-6001A is the first of the NEC computer models. As part of my research into Japanese computer companies of the early 80's, the NEC PC-6001A is of special interest to me. This ... read more

by billdeg - 06/05/2008 16:49 - Total messages in this thread: 1
 
Another IBM 5150 rev "A"
I received another IBM Personal Computer model 5150 16K/64K motherboard with the black power supply. The system came with a Plus Hardcard 20, an extra 64K card (combined with the motherboard RAM = 128K system), dual IBM 36 drives with stock controller, and the IBM monochrome monitor card. Init... read more

by billdeg - 06/05/2008 15:43 - Total messages in this thread: 1
 
DEC PDP 11/40 Project
This weekend my wife and I drove 1200 miles to pick up a working PDP 11/40, RL02 disk drive, and Decwriter II from A. Carder in South Carolina. He's an expert on the PDP 11/40 and runs this web site: (http://www.woffordwitch.com) Here are the initial pics before... read more

by billdeg - 03/11/2008 22:57 - Total messages in this thread: 6 Last Post: Card Inventory PDP 11/40 06/01/2008
 
IBM 4956 Series I System
5-18-2005 I have an IBM 4956 Series I System as described below (circa 1980-83). I have limited experience with this era IBM and will gladly except assistance in the mean time I will slowly work to restore its function. I was told that it was operational when taken off line 20 years ago and ap... read more

by billdeg - 05/18/2005 20:26 - Total messages in this thread: 4 Last Post: Cabling 4956 to a 4962 Mod 4 drive unit 05/30/2008
 
need system disk for Sony wp OA-S3300
I have a vintage Sony wp and lost the system disk for drive 1. Without it, the wp won't work. Surely, someone has a back up for this wonderful system. contact lesliereiki@msn.com... read more

by Leslie Aguillard - 05/27/2008 21:27 - Total messages in this thread: 1
 
updated my Computer Parts list
I updated my parts list online. Slowly but surely, I'll have what's in the parts bins from my workbench online. http://www2.applegate.org/~ragooman/hobbies-old_computer_parts.html =Dan ... read more

by ragooman - 05/25/2008 22:01 - Total messages in this thread: 1
 
IBM 5150 Restoration Project
This thread pertains to the restoration of IBM PC 5150 sn 0192592. This is a model "A" and an early one at that. Note the pictures of the serial number sticker compared with "newer" model A's. Note to self for parity messages / switch settings info: http://www.vintage-computer.com/vcforum/... read more

by billdeg - 05/23/2008 22:18 - Total messages in this thread: 3 Last Post: Install monocrhome cd and 64K card 06/02/2008
 
updated Electronics Parts Supplier List
I updated my Electronics Parts Supplier List on my website If anyone is looking where to find parts, you can take a look here too http://www2.applegate.org/~ragooman/hobbies-electronics-parts.html ... read more

by ragooman - 05/21/2008 23:00 - Total messages in this thread: 1
 
 
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