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Digital Rainbow 100 Restorations

DEC Rainbow 100+ removed from and resting upon it's pedestal case. Click for larger image.
This thread will do...
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by billdeg - 06/24/2016
Total messages in this thread: 1

Computer History and Restoration Links

The thread date will be updated to indicate the last update. Suggest a site here. Bitsavers Software and Document Archive http://bitsavers.trailing-edge.com TextFiles.com rTTY Art Repository http://artscene.textfiles.com/rtty/COLLECTION/ Mazjel.com Datastore: ... [ read more ]
by billdeg - 06/20/2016
Total messages in this thread: 1

Installing Core into PDP 11/40

32K x 16 Core backplanes installed into my working PDP 11/40. Conversation below explains layout. Click image for larger view.
Email to...
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by billdeg - 05/22/2016
Total messages in this thread: 10 Last Post: [ 11/40 Diagnostics ] 06/20/2016

Using M9312 Bootstrap Terminator / RL02

M9312 Bootstrap Terminator CONSOLE Test
I set the jumpers on the M9312 card to use the CONSOLE program. The CONSOLE is a monitor program that allows a per... [ read more ]
by billdeg - 07/20/2015
Total messages in this thread: 8 Last Post: [ M9312 OK ] 06/16/2016

Configuring a DL-11 M7800 serial card

DL-11 M7800 front side jumpers
This DL-11 M7800 serial card was installed in the rear ... [ read more ]
by billdeg - 06/14/2016
Total messages in this thread: 4 Last Post: [ Repair Tips ] 06/16/2016

VCFed Workshop Photos

UNIVAC 1532
The UNIVAC 1532 is probably from 1965-66 and was part of a UNIVAC 1219 (II) system. The 1532 ha... [ read more ]
by billdeg - 06/13/2016
Total messages in this thread: 1

Restoring a Lear Siegler ADM-3A

Ian Primus clued me in about the potentiometer just behind the yoke of the ADM-3A display CRT. These are used as a secondary control used to adjust the brightness... [ read more ]
by billdeg - 06/13/2016
Total messages in this thread: 1

SIMH Emulator - 1956 LGP-30 Computer

The 1956 Royal Precision Electronic Computer model LGP-30
The 1956 Royal Precision Electronic Computer model LGP-30
Making heads or tails of the LGP-30 SIMH simulator written for the Royal Precision Electro...
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by billdeg - 02/09/2015
Total messages in this thread: 5 Last Post: [ Blackjack Disassembly ] 06/10/2016

PDP 11 9312 ROM Inventory

Here is a list of the PDP 11 9312 ROMs I have on hand. I have many duplicates if you see this list and would like to buy a ROM from me, or trade something: 751A9 RL01/RL02 (DL) 752A9 RK06, RK07 (DM) 753A9 RX01 floppy disk, S.DEN (DX) 755A9 RP02/RP03 (DP), Massbus RP04, RP05, RP06, RM02, RM0... [ read more ]
by billdeg - 06/08/2016
Total messages in this thread: 1

Setting Up OpenVMS 7.1 DNS CLERK

DNS Clerk Manage namespace and clearinghouse characteristics for the DIGITAL Distributed Name Service (DECdns) clerk. dns clerk, known namespace, manual nameserver , remote clearinghouse I believe you set DNS using BIND in OPenVMS...checking stand by.,.. http://labs.hoffmanlabs.com/n... [ read more ]
by billdeg - 06/06/2016
Total messages in this thread: 1

Telnet host list

This thread contains public Internet telnet hosts that can be accessed from vintage devices with limited graphics. --Thread date equal to last edit date.-- TextMMOde.com Sands of Time / Deep Space MMO This is a text-only adventure game with multiple players in real time. ... [ read more ]
by billdeg - 06/02/2016
Total messages in this thread: 1

Digitial MicroVAX 3100 30 System

MicroVAX 3100 with Storage Expansion
Pictured here is a 1988 (?) Digital MicroVAX 3100 with Storage Expansion boxes. The ... [ read more ]
by billdeg - 04/10/2015
Total messages in this thread: 16 Last Post: [ Setting Date/Time ] 06/01/2016

Raytheon VT302 Computer

Little is known about the Raytheon VT302 office computer. I was able to boot the communications disk that came with it. I also took it apart and took pictures. I was surprised to find that this is an 8085 CPU computer. Very rare... [ read more ]
by billdeg - 11/16/2008
Total messages in this thread: 2 Last Post: [ Former owner experience ] 05/31/2016

PDP 11/40 72 inch cabinet model

For lack of a better name, I will refer to this PDP 11/40 as the "full height" or 72" cage system to differentiate ... [ read more ]
by billdeg - 04/06/2015
Total messages in this thread: 3 Last Post: [ re-assembly and power ] 05/12/2016

Mac 128K with SAD MAC error 041800

yes, but what does 041800 mean exactly? which chip or section is bad? http://docs.info.apple.com/article.html?artnum=7748 04 = class code = memory test mod 3 1800 = chip identification codes, in binary combination 1000 is bit 12, chip G9 0800 is bit 11, chip G8 Need two 4264 chip... [ read more ]
by billdeg - 09/13/2007
Total messages in this thread: 4 Last Post: [ Flattened Horizontal ] 04/27/2016
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