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Type: Posts; User: DeltaDon

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  1. Replies
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    Bondo and some sanding could finish the job.

    Bondo and some sanding could finish the job.
  2. No letter needed, but thanks for the offer.

    No letter needed, but thanks for the offer.
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    328

    You have to be careful when interfacing since...

    You have to be careful when interfacing since some makers might produce stuff that is labeled bits 0-7 and other stuff might be labeled bits 1-8 and both are talking about the same seven signals. So...
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    443

    Most cap's that need replacing on vintage...

    Most cap's that need replacing on vintage equipment are either electrolytic or tantalum. The tantalum's tell you when they need replacing by exploding, the various electrolytic types either leak...
  5. Sounds like the -12 LCD has a different native...

    Sounds like the -12 LCD has a different native resolution and needs the correct video cable and daughter board to work correctly.

    Don't know what the DIP switches do, but might be related to...
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    328

    Beep codes depend upon the BIOS brand. There...

    Beep codes depend upon the BIOS brand. There should be a list of codes for whatever brand BIOS such as Phoenix or Award if it is labeled.
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    That board is in good shape, It's up to you if it...

    That board is in good shape, It's up to you if it is worth the time to pull the chips.

    I purchased some mini computer memory boards some time ago that were damaged in a heat related problem. One...
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    Bug spray live ones and then clean ASAP. ...

    Bug spray live ones and then clean ASAP.

    Finding bugs in computers goes back to 1945: https://www.nationalgeographic.org/thisday/sep9/worlds-first-computer-bug/
  9. Replies
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    995

    This sounds like a fuse, not a battery.

    This sounds like a fuse, not a battery.
  10. Replies
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    5,700

    You have a working one and a dead one, why not...

    You have a working one and a dead one, why not swap one chip at a time between them. No need to purchase anything until you find the dead chip(s).
  11. Replies
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    2,887

    Or if someone has a HDD controller card to use...

    Or if someone has a HDD controller card to use it. I haven't seen one offered up in a very long time.
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    2,887

    Foam pads arrived, but haven't had time yet to...

    Foam pads arrived, but haven't had time yet to mess around with the keyboard. hopefully, will have time to do all 100+ keys this weekend. Unlike installing them in the Keytronic keyboards the Epson...
  13. You can use any metal shield or standoff on the...

    You can use any metal shield or standoff on the motherboard as ground that is connected to the ground plane of the board to measure each pin on the motherboard's power connector. Forget the power...
  14. Replies
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    The Epson QX-10 service manual has a chapter on...

    The Epson QX-10 service manual has a chapter on the SD-321 drive which might be good enough for your needs. That's the best I can offer.
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    Don't know how easy it is to find a Rainbow, but...

    Don't know how easy it is to find a Rainbow, but you could also look for an Epson QX-10 Z80 (CP/M 2.2) or QX-16 Z80/8088 (CP/M & MS-DOS) if you want something with a decent size monitor. But do buy...
  16. Replies
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    Would replacing the two diodes be a shot in the...

    Would replacing the two diodes be a shot in the dark attempt at a fix for someone not skills in troubleshooting this problem?
  17. Nice find. Too much of the these types of vintage...

    Nice find. Too much of the these types of vintage stuff is ending up in recycling.
  18. I've got a 40 track single sided Tandon I picked...

    I've got a 40 track single sided Tandon I picked up as part of lot of 5.25" floppies and I don't plan on ever using it. If anyone is interested, I'll dig it out and get the model # and run a disk...
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    Still in a holding pattern waiting on foam pads...

    Still in a holding pattern waiting on foam pads for the QX-16 Q601A keyboard. Not much I can do with the QX-16 until the keyboard is working. Working on some other projects including pulling about...
  20. Could you use an external 3.5" floppy drive for a...

    Could you use an external 3.5" floppy drive for a laptop and modify the cabling?
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    Tandy when the other way and turned a computer...

    Tandy when the other way and turned a computer into a terminal.
  22. Replies
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    Jon, Many of those large plastic CRT and computer...

    Jon, Many of those large plastic CRT and computer plastic cases were injection molded (USA spelling) with plastic that included a foaming agent to reduce the weight. The molding ends up with a hard...
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    Uniform for Epson QX-10?

    I found a reference to a "foreign" disk format reading program for the QX-10 that allowed the QX to read other 5.25" computer formats. Program is/was called "Uniform". Does anyone know of a copy...
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    I have a Quest Super Elf with a S-100 expansion...

    I have a Quest Super Elf with a S-100 expansion board and a Netronics (I think that's correct) 64K dynamic RAM board that used a Z80 for refresh etc. I'd have to dig out the system to be 100% sure of...
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    Robert You will find some of the information...

    Robert

    You will find some of the information that you are looking for here: https://fjkraan.home.xs4all.nl/comp/qx10/detail.html

    DGB
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