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  • RichCini's Avatar
    October 18th, 2018, 04:22 AM
    Thanks. My replica is based on one that's in the VCF collection in NJ with a few differences: * I use higher-density CompuPro memory boards to max...
    3 replies | 113 view(s)
  • RichCini's Avatar
    October 17th, 2018, 04:25 AM
    That card has a single 50-pin floppy connector which is for 8" drives. You could theoretically make an adapter for it to connect to 5.25" drives. You...
    3 replies | 93 view(s)
  • RichCini's Avatar
    October 15th, 2018, 06:54 AM
    Thanks. I did come across that post previously but I need to re-read it more thoroughly tonight. I have seen PS/2-to-??? adapters made for other...
    6 replies | 140 view(s)
  • RichCini's Avatar
    October 15th, 2018, 06:15 AM
    All -- Shortly I will likely be receiving a Tandy 2000HD but it doesn't include a keyboard. What are people using if an original Tandy keyboard...
    6 replies | 140 view(s)
  • RichCini's Avatar
    October 15th, 2018, 06:10 AM
    Check out the page on my site where I discuss the Gazelle restoration and recreation project I did http://www.classiccmp.org/cini/gazelle.htm. I...
    3 replies | 113 view(s)
  • RichCini's Avatar
    October 4th, 2018, 03:47 PM
    RichCini replied to a thread H11 (LSI-11) Troubleshooting in DEC
    Ok, more work today: o I replaced the three chips relating to the BEVNT signal (two quad opamps and a multivibrator) and the clock signal is now...
    10 replies | 616 view(s)
  • RichCini's Avatar
    October 2nd, 2018, 07:56 AM
    RichCini replied to a thread SCSI-to-SD Instructions? in DEC
    smp -- This is the setup I used for my H11. I will look around and see if I took any notes during the process, but IIRC it was pretty easy to do...
    10 replies | 540 view(s)
  • RichCini's Avatar
    September 28th, 2018, 06:05 AM
    RichCini replied to a thread H11 (LSI-11) Troubleshooting in DEC
    I worked on this a bit today and here's what I observed: o Took the secondary SLU and re-jumpered it to be the primary. The test results were...
    10 replies | 616 view(s)
  • RichCini's Avatar
    September 24th, 2018, 05:42 PM
    RichCini replied to a thread H11 (LSI-11) Troubleshooting in DEC
    Ok, I had a few minutes to check some things out. I swapped UAR/T chips with a new 6402; no difference in output. The ODT will not come up unless...
    10 replies | 616 view(s)
  • RichCini's Avatar
    September 24th, 2018, 04:26 AM
    RichCini replied to a thread H11 (LSI-11) Troubleshooting in DEC
    Mattis -- I'm going to be traveling the next couple of days so I won't be able to get back to this until Friday, but the LSI11 is configured to...
    10 replies | 616 view(s)
  • RichCini's Avatar
    September 23rd, 2018, 04:43 PM
    RichCini replied to a thread H11 (LSI-11) Troubleshooting in DEC
    Peter/Dave: Yes, I did try that and I get no output on the console. The only way I get characters on the screen is with a RAM card inserted. I...
    10 replies | 616 view(s)
  • RichCini's Avatar
    September 23rd, 2018, 10:49 AM
    All -- As discussed in another thread of mine in the Hardware section...
    10 replies | 616 view(s)
  • RichCini's Avatar
    September 22nd, 2018, 11:32 AM
    I know it's been a few weeks but I just finished repairing this after collecting the parts I needed (and having the time). Diode D110 was indeed...
    16 replies | 862 view(s)
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