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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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