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  1. Dry solder joints on the flyback transformer are...

    Dry solder joints on the flyback transformer are a common problem with the 1084 range. Mine used to start losing the picture as it warmed up, but a good slap on the side of the case would fix it for...
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    Drive cases for external 3.5" drives

    Do these exist?

    I've got two 3.5" DD drives which I've modified to work on a couple of 8-bit machines (BBC Micro and a ZX Spectrum +3), but they're bare drives meant to mount internally, so I need...
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    I've tried it with and without paper, but get the...

    I've tried it with and without paper, but get the same result.

    Apparently the carriage is supposed to moved to the far right and back to the left as part of the initialisation process, but it...
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    1526 / MPS-802 printer repair

    Is anyone familiar with fixing these? I picked one up as part of an ebay lot recently, although it was listing as non-working and that indeed turned out to be the case.

    It turns on and powers up,...
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    386 will only POST on 2nd attempt

    I have a 386 motherboard (a Shuttle HOT-307 according to TH99). If it's been powered off for more than a few minutes then the POST will hang after the memory count. Resetting will then make it POST...
  6. Maplin was a shadow of its former self during its...

    Maplin was a shadow of its former self during its last few years. The prices kept going up and the components were relegated to a smaller and smaller part of the shop, to the point where my local...
  7. Thread: Fake ICs

    by FishFinger
    Replies
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    1,958

    They have a 2003 date code and I doubt SMC was...

    They have a 2003 date code and I doubt SMC was still making the CRT8021 in 2003. The problem with Chinese ICs that that they can be literally anything. They could be knockoffs (that may or may not...
  8. According to the datasheet for the V53C104HK45...

    According to the datasheet for the V53C104HK45 the K near the end refers to SOJ package version. The DIP version is the V53C104HP45
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    The RAM is proprietary and only available in 512K...

    The RAM is proprietary and only available in 512K sticks. It also has to be fitted in pairs, so you'll have two 512K sticks fitted to make up the standard 1MB, and two empty slots to add another pair...
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    Using week numbers is a lot more common in...

    Using week numbers is a lot more common in manufacturing than using months. For one thing it means you don't have to add an extra digit for the 10th/11th/12th month
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    The 110/220/240V supply voltage is the average...

    The 110/220/240V supply voltage is the average voltage of a sine wave. The caps need to be rated for the max voltage at the top of each cycle, which is approx 1.4x the nominal voltage. So for a 110V...
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    I had a 386 Portable some years ago and as far as...

    I had a 386 Portable some years ago and as far as I could find out those modules are proprietary - like pretty much everything Compaq made at the time.



    The modules are 512K, 16-bits wide, so...
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    8-bit guy clarifies later in that video (about...

    8-bit guy clarifies later in that video (about 16:45) that the peroxide he used wasn't 40% but 12%. In the cosmetics industry hydrogen peroxide is sold in grades 10, 20, 30, and 40, which he assumed...
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    For storage I use old cigar tins. I bought about...

    For storage I use old cigar tins. I bought about 200 of them for 20 on ebay some years ago. They're quite thin so you can pack a lot of them into a small space. A shoe box will hold 40-60. If I've...
  15. The original idea of needing multiple passes came...

    The original idea of needing multiple passes came from a 1996 research paper, which was based on late 80s and early 90s data density and drive technology. A lot of the assumptions that paper makes...
  16. USB or hard drive, it doesn't matter. Just fill...

    USB or hard drive, it doesn't matter. Just fill the drive with files and then format it. All that multiple pass DoD stuff is nonsense that was disproved a decade ago.
  17. The manual is here if you need it: ...

    The manual is here if you need it:

    http://s000.tinyupload.com/index.php?file_id=80893590246911922962
  18. I have the exact same computer - 500MHz K6-2 on...

    I have the exact same computer - 500MHz K6-2 on an MSI 5182 bought from Time in 1999. I've also had to replace come bulging caps around the CPU socket, but it seems to have worked fine since.

    I...
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    Write speed has nothing to do with how well the...

    Write speed has nothing to do with how well the disk reads.
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    The 4264 RAM chips are DRAM, which adds a lot of...

    The 4264 RAM chips are DRAM, which adds a lot of complication. An SRAM like a 6116 (2K), 6264 (8K), or 62256 (32K) is a lot easier to use as they're are 8-bit each, and don't need to be refreshed...
  21. Looks like it might be a variant of one of these:...

    Looks like it might be a variant of one of these:

    http://www.uncreativelabs.de/th99/i/I-L/50254.htm
    http://www.uncreativelabs.de/th99/i/M-O/55407.htm

    Those two appear to be the same as each...
  22. Are you using the 5.25" drive by itself or are...

    Are you using the 5.25" drive by itself or are you fitting it alongside a 3.5"?

    Modern motherboards (by which I mean from the last 10 years or so) normally only support a single floppy drive and...
  23. Possibly this one?...

    Possibly this one?
    http://www.uncreativelabs.de/th99/c/U-Z/20343.htm

    If so then there appears to be no way to disable the game port, so it should work regardless of the jumper setting.

    MSD...
  24. If you go down the thin client route then check...

    If you go down the thin client route then check out this site:

    http://www.parkytowers.me.uk/thin/

    It covers a fairly broad range of models from all the major manufacturers, and tells you which...
  25. I think it was a little too long and could have...

    I think it was a little too long and could have done with being 20-30 minutes shorter as a lot of the middle section felt like filler. The stuff with Ren/Rey and Rey/Luke was great though, as was the...
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