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Recent content by jhuyett

  1. J

    Question regarding multi-port serial card on early PCs

    Hello @640KB and thanks for the response. I did see these but the issue is that I could only find one currently listed that included the breakout cable - and this was twice the cost.
  2. J

    Question regarding multi-port serial card on early PCs

    Hello @Plasma, Thanks for the response and info. Not sure how I missed this as I was even on their site. Still debating due to the cost. But having access to the drivers and documentation are definitely are points in its favor. Thanks again
  3. J

    Question regarding multi-port serial card on early PCs

    Hello all, Seeing if anyone has ever hooked anything similar to the following in a PC (EG: 5150) or AT (5170) era computer: eBay link (not mine): MOXA C104H ISA 4-port RS232 multi-serial port card Do these work on early PC's, and does each port require a separate IRQs? Also, I haven't been able...
  4. J

    Mid Atlantic Documentation for your WANG : FREE! (for the cost of shipping within the US)

    > Wish you had manuals for the Wang 700 :( For no reason the seller could explain, these came with a local purchase of a Coleco Adam. I collect a lot (too many) vintage computer related things. But for the most part - manuals for computers I don't own isn't one of them.
  5. J

    Mid Atlantic Documentation for your WANG : FREE! (for the cost of shipping within the US)

    Hello WANG aficionados, As the title states, free for the cost of shipping in the US. 10 pounds. Media Mail likely the best option. Local pickup in south central PA is also an option. Software guides dated 1985: BASIC, Word Processor, Printer Software, Users Guide, Fundamentals, ... Requests for...
  6. J

    Atari Mega ST4 Rev 5.0 Question

    Thanks for the response. I had read something on the blitter, but didn't connect the two. Thanks for the info.
  7. J

    Atari Mega ST4 Rev 5.0 Question

    Hello All, Taking apart an Atari Mega ST4 for cleaning and found a modification on what I believe is the CPU. I'm able to find other pictures of this when searching for the number on the board: CIO3261, but curious as to what this does/ whether it's a feature of this specific board revision...
  8. J

    Coleco Adam data packs issue

    Hello All, Having an issue w/ Coleco Adam data packs I can't explain. I have three that I took apart, cleaned, and added a rubber wheel to the digitizer. The following occurs whether the wheel is in place or not so as to exclude the wheel being the issue: When powering up or hitting the reset, a...
  9. J

    Wanted: Power Supply Repairs.

    Hello All, Looking to see if anyone is willing and able to do repairs on old power supplies. I have two complete PS's for a VT-100 (both with different issues) and a 3rd for parts. Also, a PS for a Bernoulli 10+10. This I might be able to replace with a new mini/ micro PS, but haven't verified...
  10. J

    Bernoulli Box A210H (10+10) drives not spinning up.

    Hello All, Recently picked up a Bernoulli Box and having an issue... While it does power up and I am able to hear the fan, no lights were coming on when inserting a cartridge. I cleaned out the air filter and do feel it is getting good airflow. Opened it up everything looks clean. Checked the...
  11. J

    WTB: DEC VT100 Power Supply

    Hello All, I have the complete terminal w/ keyboard. Untested as the previous owner had an issue with the PS and had attempted to fix. Too many parts on the power supply missing where finding replacement components unlikely. Would love a replacement PS if someone happens to have. Regards
  12. J

    Memory in an Apple II+

    Hello All, Thanks for all the responses and especially the Jamesco recommendations. I ordered the RAM on Sunday and received today, which is awesome (especially taking into account all that is going on). The Apple II Dealer's Diagnostics worked out well and definitely made finding the problem an...
  13. J

    Memory in an Apple II+

    Hello All, The Apple II+ has 3 rows of 8 = 24 memory chips MK4116J-3GP IRL. I believe I've narrowed the chip(s) down to the row it is in by moving chips around until I didn't see an error. Haven't had luck sourcing the above, but did find a few of the faster MK4116J-2GP IRL (150 vs -3=200ns)...
  14. J

    Success with an Apple Color Monitor 100 with the Taxan 410-80 RGB Card.

    Hello All, This may be well known already, but I hadn't been able to find any documentation. Recently purchased a Taxan 410-80 RGB 80 Column Card as a BiN on eBay despite being uncertain if this would work with anything beyond a Taxan monitor. The one online manual I found was mis-labeled/ not...
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