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  1. ibmapc

    Using an XT keyboard with an AT-type computer

    Check this out. That's the older version in my 5155 keyboard. I think I have a better chance to find that one!
  2. ibmapc

    Using an XT keyboard with an AT-type computer

    Still looking for a spare adapter! I'm also looking for a previous version that uses a simple micro controller instead of the pro micro. It won't use the Soarers firmware or USB. But should work for your purpose, if I can find it! I'll have a little more time to dig this weekend.
  3. ibmapc

    Using an XT keyboard with an AT-type computer

    The really cool thing with this is you can upload "Soarers" firmware and use it as a USB keyboard on a modern PC!
  4. ibmapc

    Using an XT keyboard with an AT-type computer

    Its an easy mod! anyone with a screwdriver can do it!! boggit wrote; "Just to be clear, the only thing that would be needed for my use case besides your adapter, would be a passive PS/2-to-AT adapter, right?" No, you keep the original cord which plugs right into the AT motherboard!
  5. ibmapc

    Using an XT keyboard with an AT-type computer

    I'll have to see if I can find my spare one. Things are kind of a mess right now. I'm trying to move out of my house. It might be a while before I can even look for it. But if you're still in the market for one when I do find it, I will certainly sell it to you for a reasonable price. Probably...
  6. ibmapc

    Using an XT keyboard with an AT-type computer

    I built a couple of adapters for that very purpose using instructions from a user named ENGICODER on the Deskthority forum. The link below is the GitHub for one of his designs. Everything (Pro Micro Arduino board) is hidden inside the keyboard! XT2PS2 adapter GitHub
  7. ibmapc

    PC vs. AT: reasons to own one over the other

    I like the looks of the PC better. The 5162 XT/286 is my favorite. 286 performance with the XT case. Although tall 16 bit cards won't fit, still pretty cool.
  8. ibmapc

    What pre-boot checks should you perform on a computer that's sat for several decades?

    First thing I would do is to pull the cover(s) and thoroughly blow out the dust bunnies. Do this BEFORE applying voltage anywhere.
  9. ibmapc

    Greetings from Lodi California

    Actually, the guy I was strapped to had one. It was a "tandem" jump!
  10. ibmapc

    Greetings from Lodi California

    Welcome to the forum. I jumped out of an airplane near Lodi once a long time ago!
  11. ibmapc

    Want to use an IBM PC/XT/AT keyboard with a USB computer

    Oops! I saw the three at the end of the year and thought it was 23 not 03. Didn't really mean to necropost! Still the Soarer's converter is pretty cool. I have one in my 5155 keyboard that I hook up to a Pentium motherboard that's stuck in my second 5155 portable computer. Of course it's not...
  12. ibmapc

    Want to use an IBM PC/XT/AT keyboard with a USB computer

    Check this out. https://deskthority.net/wiki/Soarer%27s_Converter#:~:text=Soarer's%20Converter%20is%20a%20closed,project%20is%20no%20longer%20developed.
  13. ibmapc

    System parity error tandon PC/XT

    You might be able to use the PiggyBack Method demonstrated in the following linked page. https://www.minuszerodegrees.net/5150/ram/5150_ram_piggybacking.htm
  14. ibmapc

    The South VCF XT-FDC Modifications

    Yep, that looks like the correct part. Unfortunately, looks like it's not in stock :-( I'll dig through my spare parts sometime soon to see if I can find one. No promises. I'm still working on trying to complete a remodel of my house. My vintage computer stuff is stashed upstairs and it's...
  15. ibmapc

    The South VCF XT-FDC Modifications

    When I built mine years ago, I found a 37 pin connecter that had longer reach (wider footprint) that allowed it to reach the card bracket. I just left the 34 pin header off and installed the larger than normal 37 pin connector over it. I'll see if I can find the one that I ordered. I might...
  16. ibmapc

    ATA HDD to USB?

    From Stasson.org https://stason.org/TULARC/pc/hard-drives-hdd/quantum/MAVERICK-MV-270-AT-270MB-3-5-SL-ATA2-FAST.html "The Quantum drives support both the Extended CHS (Cylinder Head Sector) and LBA (Logical Block Address) addressing methods in overcoming the 528 MB DOS capacity barrier."
  17. ibmapc

    IBM 5150 with XT IDE Help

    You should be able to get power for the DOM from pin 20 on the IDE Header on the XT-IDE. In that case, you dont need a power cable. However, some remove pin 20 from the header and would need to be added. There is a jumper on some of the XT IDE builds to supply power on pin 20.
  18. ibmapc

    Need help with a finicky Qumetrak 142 floppy drive (PCjr)

    I would not worry to much about the lube you now have on the rails. Just check it once in a while to see if the carriage is moving freely by hand. If it gets sticky, use some Isopropyl Alcohol to clean them. I don't remember how or even if I succesfully lubed the spindle on mine. It could be...
  19. ibmapc

    Need help with a finicky Qumetrak 142 floppy drive (PCjr)

    Do check the RPM as mentioned previously. I recall the drive that I worked on that was all gummed up had trouble maintainig the correct RPM. I tried to adjust with the POT on the pcb but it would not spin at a consitant speed until I managed to lube the spindle motor and spindle bearing. I...
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