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Type: Posts; User: musicforlife

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  1. It says the same that "directory data has been...

    It says the same that "directory data has been damaged" and cannot be recovered.
  2. I don't know why chkdsk seemed to erase the hard...

    I don't know why chkdsk seemed to erase the hard drive but now it seems normal again. I mean after chkdsk it was seemingly "empty".

    Anyway, last time I used norton's unerase as separately from...
  3. What happened was this: I was taking backups from...

    What happened was this: I was taking backups from old '86 286 computer's original content for "historic value". The hard drive has a lot of bad sectors but managed to get most of it. When using copy...
  4. Yeah, it only said that it can't recover the...

    Yeah, it only said that it can't recover the folder while with modern program I could browse individual files but that was the demo version which only allows to browse recoverable files but doesn't...
  5. recovery for deleted files in 286 dos 3.30?

    Damn it, I can't find any free programs to do file recovery under 286 dos computer. At best free programs require 386 or better. The computer is using DOS 3.30. Please help.
  6. Replacement for U32 chip (cassette basic)

    In my '83 IBM 5150 the U32 chip was apparently corrupted or something because it gives me "FC00 ROM" error. I tried reseating the chip but it didn't make any difference.

    I tested that I could use...
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    5150 power source interference noise

    I got another 5150 with original 60w power source but this one makes weird high pitched noise constantly when the letters appear on screen (it doesn't make the sound with only underline cursor on...
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    3-pin jumper on Tandon floppy drive?

    I have 4 Tandons and one of them seems to contain this 3-pin jumper in the backside while all of the rest are having only empty soldered spots there. What was the function of this jumper?

    61231...
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    2
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    347

    Miniscribe 8425 doesn't turn on

    I have got this card within another 5150 PC but it doesn't power up, or to be more exact, doesn't start to spin. When powering up, there's no sounds coming out and there's only the red led blinking...
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    IBM Model F keyboard disassemble

    Hi. In my 5150 PC keyboard the spacebar works fine when pressed from center area but can't be pressed from either extreme sides as it only wobbles up and down so I wonder if it's normal or something...
  11. There's no PNP setup available in bios. I need to...

    There's no PNP setup available in bios. I need to test this in my win95 computer since it contains PNP setup in bios.
  12. I think I finally found something. "The AWE32...

    I think I finally found something.

    "The AWE32 didn't use its MPU-401 port to access the EMU8000—Creative decided to expose the EMU8000's registers directly, through three sets of non-standard...
  13. How to get AWE32's wavetable working in DOS?

    My AWE32 is CT3780. I want to get onboard EMU8000 wavetable into dos games but no matter what settings I am using it is always mute. The wavetable is working fine when testing with diagnose program...
  14. How nice. After some time testing the card it...

    How nice. After some time testing the card it suddenly froze the game and then brought me memory parity error and after reboot it doesn't go anymore into 350 line mode. Faulty memory chips in the ega...
  15. Unknown EGA multicard with serial¶llel

    I bought this exactly same card as in here: https://www.recycledgoods.com/itt-400980-001-ega-video-card/

    Here's also the fcc if: https://fccid.io/FLN6RJMBC-EGA

    The problem is that I need to...
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    They all are 8 ohms what I have seen.

    They all are 8 ohms what I have seen.
  17. Replies
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    692

    IBM 5150 PC speaker watts?

    I noticed that in my IBM the pc speaker on the backside lable says 0.2w while in later machines like my 286 it's always 0.5w instead. Does this mean that you can't replace 0.2w speaker with 0.5w?...
  18. The item is sold

    The item is sold
  19. The item is sold.

    The item is sold.
  20. Sharp PC-6220 286 laptop, complete setup (Europe)

    50225 50222 50223 50224

    All the photos can be found here: https://www.dropbox.com/sh/bgf74479sa7gaz1/AAB3katEKaIhknIfqqd1d2oUa?dl=0

    For sale, very rare in this complete setup, a business laptop...
  21. Hyundai Super-16T complete EGA setup (8088 dual speed) (Europe)

    50221

    All the photos can be found here: https://www.dropbox.com/sh/vj5ghk25puics8f/AAAvoliARr4XGrFpsYt81Tysa?dl=0

    For sale, very rare computer in this greatly preserved complete setup ever...
  22. Could you do me a photo of showing the location...

    Could you do me a photo of showing the location of the component so I could change it?
  23. Sorry, I am not an engineer and can't read...

    Sorry, I am not an engineer and can't read diagrams. But I know what ohms are doing. Thanks for letting me know this.
  24. PC speaker louder in PC/XT machines than AT?

    I have noticed that the pc speaker is clearly louder in my IBM 5150 than in my 286 although both uses same size speakers. Why is that? Is there a difference in speaker itself or is it "hotter signal"...
  25. Yes, my EGA cards contains also CGA compatible...

    Yes, my EGA cards contains also CGA compatible mode so it's very useful for later era CGA games that requires more power than my IBM 5150 can offer.

    I particulary love the scanlines of 200 line...
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