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  1. And you are sure the card is a IIB and not a IIA?...

    And you are sure the card is a IIB and not a IIA? They look identical, but they are not.
  2. Are you sure? I thought the earlier RGB IIA from...

    Are you sure? I thought the earlier RGB IIA from 1982 was digital. The IIB was analog.
  3. My understanding is that the Taxan card you have...

    My understanding is that the Taxan card you have is Analog RGB, so you will need a IIGS monitor (however the red and green pins are swapped, if you plug it directly into the IIGS monitor colors will...
  4. Have you tried adjusting the video pot? Sometimes...

    Have you tried adjusting the video pot? Sometimes just adjusting it down can reduce vertical lines. Probably won't solve it since it sounds like something not properly isolating the 5v and/or 12v...
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    Agree! I also wish the keyboard weren't...

    Agree! I also wish the keyboard weren't micro-switch based. I know the Brits love them ala the Speccy, and that the original PET had calculator switches, but a simple PCB with through holes for MX...
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    Mini PET now up for pre-order

    I am sure folks here already know, but in case you haven't, the Mini PET is up for pre-order and shipping in about 2 weeks.

    https://www.thefuturewas8bit.com/mini-pet.html

    You can grab a new...
  7. Unlike Macintosh monitors the Apple II monitors...

    Unlike Macintosh monitors the Apple II monitors were documented in the Apple Service Technical Procedures (ASTP) for the entire Apple II line. Of course they contain nothing as useful as a full...
  8. FS: Sacrilegious Commodore PET 2001 Aquarium Conversion

    Spotted this on Facebook marketplace (see the attached picture) and had to post it just for the outrage.

    Also someone needs to tell the seller that the keyboard alone would go for 3X what he or...
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    It is very visible on an LCD but hidden on most...

    It is very visible on an LCD but hidden on most CRTs. You can clearly see it in this video here in Adrian Black’s video here at around the 5:50 mark.

    https://youtu.be/Qb9n6S4cKuk
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    Sadly these are pretty "new" for most of the...

    Sadly these are pretty "new" for most of the enthusiasts on this forum. The collectables market for the Pentium area just is not there yet. The Sharp Telios is probably worth a few hundred to someone...
  11. FOUND IT! FEC3 ...

    FOUND IT!


    FEC3 DPB_SD EQU $ ; Disk Parameter Block - SD card 8MB partition
    ; ...
  12. BIOS attached - thanks!

    BIOS attached - thanks!
  13. Thanks this is useful, but will require more...

    Thanks this is useful, but will require more playing around on my part. The SD Card in my SBC is not using IDE, it is interfaced directly with the SD Card via SPI.

    I just took a look at the BIOS...
  14. HELP: Frame Error when using PCGET to recieve files

    I have a CP/M small board computer based on the Z180. It has two UARTs built in: ASCII-0 and ASCII-1.

    I use ASCII-0 for the terminal and ASCII-1 for file transfers.

    I can transfer files to...
  15. SC/MP, RCA 18XX parts and SN8X305N spoken for.

    SC/MP, RCA 18XX parts and SN8X305N spoken for.
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    Can you post a picture of it? Is it from the...

    Can you post a picture of it?

    Is it from the 70s, 80s, or 90s?

    I suspect is has a 601 CPU and 64K of RAM.
  17. Commodity prices are based on future value, not...

    Commodity prices are based on future value, not current value, so I expect to not see a drop unless there is a sudden explosion in supply (like oil).

    Unless people get so desperate for cash they...
  18. 68010 and 1 6809 spoken for.

    68010 and 1 6809 spoken for.
  19. I mostly hate my Plus/4 because I get anxiety...

    I mostly hate my Plus/4 because I get anxiety every time I turn it on. The TED and 7510 fry so easily, even with a modern, well regulated power supply.
  20. FS: ICs for COSMAC, SC/MP, Zilog and many others

    A long time ago I got a large lot of vintage ICs from an estate sale and finally got to sorting them out.

    If anyone here needs parts for a project, you can have them for the cost of shipping...
  21. There is probably even more stuff in storage that...

    There is probably even more stuff in storage that is even older!
  22. The fact that both chips work in the IBM PC Jr...

    The fact that both chips work in the IBM PC Jr but not in the Tandy machines leads me to believe it is due to the Tandy's clock speed, which is the biggest and most obvious difference between a Jr...
  23. People don't realize that because of gaming the...

    People don't realize that because of gaming the mechanical keyboard community is literally an order of magnitude larger than the retro-computing community. It seems that in certain places like...
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    LGR is definitely a different generation. In the...

    LGR is definitely a different generation. In the video you can clearly see him walking right by a bunch of CP/M systems, terminals, an Altos or two and he appears disinterested. I'd be picking it...
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    This is about right for a good condition, working...

    This is about right for a good condition, working NeXTstation Turbo, Monitor, and keyboard.

    You can still buy them professionally refurbished from Blackhole and their prices are a good barometer....
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