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Teletype as Program Storage for Kim 1
Per http://www.kim-1.com/usrman.htm#F24 I am working to set up my KIM to a teletype (not using rs232) using current loop/papertape old school. I have mine wired up now, but have not actually powered on to test. I have what I think is right, but first I want to do more research.... I think ... read more

by billdeg - 08/28/2014 00:11 - Total messages in this thread: 2 Last Post: 470 ohm resistor ?? 08/28/2014
 
Rockwell KIM-1 Rev D
Rockwell KIM-1 Rev D
Rockwell, MOS or CBM Kim-1? It's a rev D that should be Commodore, but the brand is obscured by a metal plate. There is no date... read more

by billdeg - 08/23/2014 11:11 - Total messages in this thread: 5 Last Post: Rockwell KIM-1 Rev D Photos 08/27/2014
 
Donner 3500 - an early portable computer
The 1959 Donner 3500 portable analog computer. Click for larger image.
Pushing the exploration of portable computing one giant step farther (for me), here is a quick glimpse ... read more

by billdeg - 05/25/2009 17:58 - Total messages in this thread: 8 Last Post: Plug Board Modules 08/24/2014
 
IBM XT 5160 s/n 5462708(5160)
IBM XT 5160
A few photos of a nice IBM XT model 5160 with 10mb hard drive, CGA display, and AST Six Pak RAM and util... read more

by billdeg - 08/14/2014 09:36 - Total messages in this thread: 1
 
Hackers on Planet Earth HOPE X
Commodore Hacking
A small crowd gathers around a display terminal transmitting the Edward Snowden and Daniel Ellsberg panel. Every room in the HOPE X convention was tuned ... read more

by billdeg - 07/20/2014 14:07 - Total messages in this thread: 2 Last Post: Hearses and Hand-held Calculators 08/01/2014
 
Teletype Reader Control
Pictured above is a Teletype Model ASR 33 with the cover removed, from a side view angle just behind the line/local/switch. Note keyboa... read more

by billdeg - 03/06/2011 00:48 - Total messages in this thread: 8 Last Post: Teletype Reader Control 4915D 07/22/2014
 
Digital (DEC) PDP 11/05 Assembly
Ted Nelson speaks quite highly of the Digital PDP 11 series in his book Computer Lib / Dream Machines.
Picture of the card cage and f... read more

by billdeg - 06/09/2009 23:31 - Total messages in this thread: 22 Last Post: Teletype Reader Control 4915D 07/22/2014
 
Items Wanted
This list is maintained regularly. Thread date is last update. Contact me Here. -"Regular" Vintage Stuff- DATAC 1000 6502 trainer RCA COSMAC Microkit manual MPM-103. Tandy / TRS-80 Coco 3 *working* cart extender (brand not important) GO Tablet Model G400 ... read more

by billdeg - 07/22/2014 18:23 - Total messages in this thread: 1
 
For-Sale Thread
NOTE: date of thread = the last update date. Computer Products Co DEC-compatible logic boards later 70's early 80's era stuff Digital Equipment Co PDP 11/44 era logic boards Random items from old Repair Shop: [com... read more

by billdeg - 07/09/2014 18:00 - Total messages in this thread: 1
 
Tektronix 5403 Oscilloscope X-Y Art
Using a synthesizer to generate sounds that will render shapes and pictures on an oscilloscope in X-Y mode... http://youtu.be/O_EyJIlLbGM Here is how I did it. 1. Set 5A48 (in left bay) to 1 volt per division. Display on, channel one output to AC, mode to channel 1. Plug 10x scope into c... read more

by billdeg - 07/02/2014 23:35 - Total messages in this thread: 1
 
MAI Jolt 6502 SBC 1975
MAI Jolt 6502 microcomputer SBC
The first production 6502-based single board microcomputer - The Jolt pre-dates the MOS KIM and Apple I.
More photos... read more

by billdeg - 06/16/2014 17:14 - Total messages in this thread: 1
 
Cromemco System 1 12v (U2) Repair
Cromemco System 1 LAS1412 12v regulator in power controller U2.
Cromemco System 1 LAS1412 12v regulator in... read more

by billdeg - 04/14/2014 13:35 - Total messages in this thread: 4 Last Post: Repairs Completed 06/03/2014
 
PET 2001-8 Internal Cassette Restoration
PET 2001 internal cassette drive belt
Commodore PET 2001-8 internal cassette drive with ... read more

by billdeg - 05/31/2014 09:08 - Total messages in this thread: 1
 
Digital PDP 8 OS/8 Help Files
Uploaded the contents of the .HL files from various RK05 disk packs. Chock full of useful info. Each file is unique, but they all share similar text. Enjoy. Dump 1 Dump 2 read more

by billdeg - 05/16/2014 16:35 - Total messages in this thread: 1
 
Apple /// Plus and Microsoft Softcard
Apple III Microsoft softcard
Click on image to see the box with label - Apple Softcard /// System by Microsoft - Adding CP/M capabili... read more

by billdeg - 05/02/2014 21:32 - Total messages in this thread: 1
 
 
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Image Title: VT302 FRONT W DISKS
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