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Type: Forum Threads; User: Hugo Holden

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  1. 1969 vintage computer with lever switches.

    Started by Hugo Holden, July 8th, 2020 02:11 PM
    • Replies: 7
    • Views: 230
    Last Post: July 11th, 2020 01:58 AM
    by Hugo Holden  Go to last post
  2. S-100 connector geometry

    Started by Hugo Holden, July 10th, 2020 03:43 PM
    • Replies: 2
    • Views: 69
    Last Post: July 10th, 2020 05:47 PM
    by Hugo Holden  Go to last post

    Forum:
    S-100

  3. Interesting (unusual) Logic Technique.

    Started by Hugo Holden, June 27th, 2020 02:32 AM
    • Replies: 6
    • Views: 149
    Last Post: June 27th, 2020 06:57 PM
    by Chuck(G)  Go to last post
  4. Texas TMS3417 IC

    Started by Hugo Holden, June 6th, 2020 01:30 PM
    • Replies: 4
    • Views: 222
    Last Post: June 7th, 2020 03:55 AM
    by Hugo Holden  Go to last post
  5. The sol with three brains.

    Started by Hugo Holden, April 20th, 2020 12:06 AM
    • Replies: 4
    • Views: 605
    Last Post: May 9th, 2020 03:35 AM
    by bobstek  Go to last post

    Forum:
    S-100

    • Replies: 7
    • Views: 585
    Last Post: May 4th, 2020 04:00 AM
    by bobstek  Go to last post

    Forum:
    S-100

  6. Increasing H scan rates in VDU's.

    Started by Hugo Holden, May 2nd, 2020 05:14 PM
    • Replies: 0
    • Views: 156
    Last Post: May 2nd, 2020 05:14 PM
    by Hugo Holden  Go to last post

    Forum:
    Commodore

  7. 74ls series ic failure mechanism

    Started by Hugo Holden, April 21st, 2020 07:19 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,425
    Last Post: April 30th, 2020 07:21 AM
    by Chuck(G)  Go to last post
  8. Copper corrosion experiments:

    Started by Hugo Holden, December 24th, 2019 02:40 PM
    • Replies: 0
    • Views: 258
    Last Post: December 24th, 2019 02:40 PM
    by Hugo Holden  Go to last post
  9. Replica of mm5204 personality module for the sol-20

    Started by Hugo Holden, December 21st, 2019 02:19 AM
    • Replies: 3
    • Views: 488
    Last Post: December 22nd, 2019 12:41 PM
    by bobstek  Go to last post

    Forum:
    S-100

  10. Trf radio

    Started by Hugo Holden, December 21st, 2019 05:02 PM
    • Replies: 2
    • Views: 309
    Last Post: December 22nd, 2019 12:50 AM
    by Hugo Holden  Go to last post
    • Replies: 29
    • Views: 3,143
    Last Post: December 6th, 2019 04:58 PM
    by ropersonline  Go to last post
  11. Solos rom question

    Started by Hugo Holden, November 8th, 2019 06:54 PM
    • Replies: 2
    • Views: 480
    Last Post: November 9th, 2019 12:00 PM
    by Hugo Holden  Go to last post

    Forum:
    S-100

  12. Sol-20 light pen project

    Started by Hugo Holden, November 2nd, 2019 08:49 PM
    • Replies: 7
    • Views: 735
    Last Post: November 4th, 2019 03:28 AM
    by ziloo  Go to last post

    Forum:
    S-100

  13. SOL-20 Personality module 4 x MM5204

    Started by Hugo Holden, September 17th, 2019 07:43 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 1,563
    Last Post: October 29th, 2019 08:41 PM
    by Chuck(G)  Go to last post

    Forum:
    S-100

  14. 8080 assembly language consol I/O question

    Started by Hugo Holden, October 27th, 2019 03:43 AM
    • Replies: 8
    • Views: 675
    Last Post: October 27th, 2019 05:16 PM
    by Chuck(G)  Go to last post
  15. CPU Prices and value.

    Started by Hugo Holden, September 19th, 2019 04:24 AM
    • Replies: 3
    • Views: 290
    Last Post: September 19th, 2019 01:57 PM
    by Chuck(G)  Go to last post
  16. Disk Directory Issue, Sol-20

    Started by Hugo Holden, September 15th, 2019 05:32 PM
    • Replies: 4
    • Views: 671
    Last Post: September 16th, 2019 02:30 PM
    by Hugo Holden  Go to last post

    Forum:
    S-100

  17. Disk Drive Construction Project Document.

    Started by Hugo Holden, September 11th, 2019 04:34 AM
    • Replies: 1
    • Views: 249
    Last Post: September 11th, 2019 02:31 PM
    by mnbvcxz  Go to last post
  18. Graphics card synchronization issue.

    Started by Hugo Holden, September 5th, 2019 06:59 PM
    • Replies: 1
    • Views: 457
    Last Post: September 10th, 2019 01:28 AM
    by Hugo Holden  Go to last post

    Forum:
    S-100

  19. Fictional Computers

    Started by Hugo Holden, September 9th, 2019 02:17 PM
    • Replies: 1
    • Views: 379
    Last Post: September 9th, 2019 02:31 PM
    by 1944GPW  Go to last post

    Forum:
    Humor

  20. Seattle Computer's SCP-110A 64k memory card.

    Started by Hugo Holden, September 3rd, 2019 12:38 AM
    • Replies: 0
    • Views: 328
    Last Post: September 3rd, 2019 12:38 AM
    by Hugo Holden  Go to last post

    Forum:
    S-100

  21. Memory Compatibility Z80 vs 8080

    Started by Hugo Holden, August 7th, 2019 01:26 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 30
    • Views: 2,346
    Last Post: August 29th, 2019 07:29 PM
    by deramp5113  Go to last post

    Forum:
    S-100

  22. Light pen schematics

    Started by Hugo Holden, August 28th, 2019 07:36 PM
    • Replies: 0
    • Views: 235
    Last Post: August 28th, 2019 07:36 PM
    by Hugo Holden  Go to last post
  23. DOS Disk file access help.

    Started by Hugo Holden, August 14th, 2019 12:21 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 30
    • Views: 1,741
    Last Post: August 26th, 2019 01:26 PM
    by Hugo Holden  Go to last post
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