Search Posts:

File Archives:

Directory Home | osi | Challenger_1P |

Download full-sized images and files using the left column links. Featured images have a thumbnail. Items marked DIR represent links to additional content. Files with long filenames are displayed with trimmed names for layout purposes.

Click on column header to change sort order:
Name Size
OSI C1P 7110 rear-ports-center 1,231,684 KB
OSI C1P 7110 rear-port-wiring- 1,100,861 KB
OSI C1P 7110 rear-port-wiring- 1,254,176 KB
OSI C1P 7110 rear-port-wiring- 1,349,146 KB
OSI C1P 7110 rear-ports-center 1,230,357 KB
OSI C1P 7110 rear-ports-center 1,421,961 KB
OSI C1P 7110 rear-ports-center 1,669,034 KB
OSI C1P 7110 rear-port-wiring- 1,106,681 KB
OSI C1P 7110 rear-ports-rt.jpg 976,391 KB
OSI C1P 7110 rear-port-wiring- 1,413,364 KB
OSI C1P 7110 rear-port-wiring- 1,121,942 KB
OSI C1P 7110 rear-port-wiring- 1,950,125 KB
OSI C1P 7110 ROMS.jpg 1,562,890 KB
OSI C1P 7110 rearPortWiring.jp 1,661,272 KB
OSI Challenger w-ElectrohomeMo
OSI CP1 J3-pic3.jpg 121,706 KB
OSI CP1 J4-pic2.jpg 131,102 KB
OSI CP1 J3-pic2.jpg 214,608 KB
OSI CP1 J4-pic5.jpg 652,277 KB
OSI CP1 J4-pic4.jpg 538,766 KB
OSI CP1 ROMs.jpg
OSI CP1 2114 RAM.jpg
OSI CP1 J3-pic1.jpg 391,481 KB
OSI CP1 J4-pic3.jpg 379,298 KB
OSI CP1 J4-pic1.jpg 416,748 KB
OSI CP1 baud-hack.jpg 644,900 KB
OSI CP1 baud-hack-pic6.jpg 575,156 KB
OSI CP1 baud-hack-pic5.jpg 525,155 KB
OSI CP1 baud-hack-pic4.jpg 631,356 KB
OSI CP1 baud-hack-pic3.jpg 597,009 KB
OSI CP1 baud-hack-pic2.jpg 674,613 KB
OSI CP1 baud-hack-pic1.jpg 663,677 KB
OSI CP1 moBo 6502.jpg 693,131 KB
OSI CP1 regulated-pwr.jpg 610,277 KB
OSI CP1 disassembled-working.j 643,898 KB
OSI CP1 moBo-pic2.jpg 700,299 KB
OSI CP1 moBo.jpg
seawolf.jpg
Electrohome display.jpg 203,764 KB
OSI Challenger 1P 600mbd side- 327,868 KB
OSI Challenger 1P pwrsupl-pic2 635,134 KB
OSI Challenger 1P sn7110.jpg 23,873 KB
OSI Challenger 1P rear-ports.j 226,430 KB
OSI Challenger 1P 600mbd botto
OSI Challenger 1P 600mbd side. 549,057 KB
OSI Challenger 1P pwrsupl.jpg
OSI Challenger 1P pic3.jpg
OSI Challenger 1P pic2.jpg 331,855 KB
OSI Challenger 1P rear-rt.jpg 345,703 KB
OSI Challenger 1P rear-left.jp 373,885 KB
OSI Challenger 1P.jpg
C1P-UserManual.pdf 25,957,639 KB
C1P-ServiceManual.pdf 14,265,731 KB

Resources:

  • Home
  • Manufacturer photos, software, docs
  • Disk Images
  • Computer History Articles Scans and Files
  • YouTube.com Videos
  • Sale/Trade/Wanted/Miscellaneous
  • Photo Gallery
  • The Ultimate Vinage Computing Links List
  • Switch to DOS Prompt view

    • Buy a Commodore Computer Poster

    Popular Topics and FAQs


  • TM990/101 M
  • Altair 8800bt notes
  • TRS 80 Model 4 Engineering Sample
  • Altos 5-5AD
  • Morrow Wunderbuss Motherboard - Fried!
  • Epson PX-8
  • C64 emulator to run on PC
  • Mac 128K with SAD MAC error 041800
  • IMSAI 8080 With Processor Tech. Cutter
  • Secrecy is the keystone of all tyranny
  • Cromemco System Three
  • Commodore "Coherent"
  • Exatron Stringy Floppy Update
  • TM 990/189 or PP189
  • Lanier Word Processor Model 103
  • Univac 1219 rescue
  • IMSAI 1.4 BASIC vs. MITS 8K BASIC
  • Atari 520ST
  • DEC Information Request Reply Card
  • Amiga 2500 Restoration
  • IBM XT sn 4359455
  • Amiga 2000 with Dual Drives and HD
  • A New 68000 CPU S-100 Board
  • Edmund Scientific Co Ad 1973
  • Micropolis 10xx Drive Inventory
  • Texas Instruments 99/4a with PHP1200
  • MITS Altair 8800b T with Dual Drives
  • Burroughs L5000 Controller Card Photos
  • Digital PDP 11/44
  • TRS 80 Model III Exatron Stringy Floppy
  • Digital PDP-9 The Serious Computer
  • Live long and prosper, Spock
  • PDP 11/40 M7656 Serial Comms
  • 1993 Compaq Deskpro 5/60M
  • 1974/5 TCC-3700 i8080 Computer
  • Processor Tech 3P + S ASR 33 Jumpers
  • Tektronix 4015-1 Graphics Terminal
  • Lear Siegler ADM-3A GraFix Board
  • UNIVAC 1219 USS Midway CV-41
  • Commodore VIC-21
  • Prevent VMS MULTINET SMTP Relay Hijacks
  • NExT Cube Restoration
  • 1976 P.C.C. Features the MAI JOLT 6502
  • 1961 Beckman DEXTIR Computer
  • UNIVAC 1 and UNIVAC File Computer 1
  • Computer Music Using the IBM 7094
  • 1985 PCs Limited Turbo PC
  • Digital Equipment Corporation PDP-8
  • IMSAI 8080 Chase the Lights Variations
  • XYBASIC on the IMSAI 8080
  • Cromemco Dazzler
  • Cramer Intel 8080A Microcomputer
  • Original ACHTUNG Computer Lab Humor
  • Leading Edge Computers

    • Past Issues:

    Before we switched over to a blog format, past page archives here:
  • Vintage Computer Festival East 3.0 June 2006
  • Commodore B Series Prototypes July 2006
  • VOLSCAN - The first desktop computer with a GUI? Oct 2006
  • ROBOTS! - Will Robots Take Over? Nov 2006
  • Magnavox Mystery - a Computer, or? Jan 2007
  • The 1973 Williams Paddle Ball Arcade Computer Game Feb 2007
  • The Sperry UNIVAC 1219 Military Computer May 2007
  • VCF East 2007 - PET 30th Anniversary June/July 2007
  • The Electronic Brain August 2007
  • Community Memory and The People's Computer Company October 2007
  • Charles Babbage's Calculating Machine December 2007
  • Vintage Computing - A 1983 Perspective February 2008
  • Laptops and Portables May 2008
  • From Giant Brains to Hobby Computers - 1957 to 1977 August 2008
  • Historic Computer Magazines November 2008
  • World's Smallest Electronic Brain - Simon (1950) December 2008 - Feb 2009
  • Free Program Listings Spring 2009
  • Computer Music Summer 2009
  • Popular Electronics Jan/Feb 1975 - Altair 8800 Fall 2009
  • Early Microcomputer Mass Storage Summer 2010