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  1. Repaired Intertec Superbrain - after 12 years of trying!!

    Just wanted to share - today I fixed my Superbrain QD!


    https://youtu.be/vQKxTTqq98Y

    After years of trying to fix a Superbrain motherboard I've had since I was about 13 (with a lot of JonB's...
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    This is what I've always used: ...

    This is what I've always used:

    https://trinityhome.org/
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    The Universe - from the subatomic to the the most...

    The Universe - from the subatomic to the the most massive Quasar - is a monumental balance of weak and colossal forces on a scale that is beyond the comprehension of our limited minds. We live in a...
  4. On my Portable III 286, I swapped the dead 40MB...

    On my Portable III 286, I swapped the dead 40MB drive for a 2GB Fujitsu drive I had lying around. I selected the largest partition available in the setup disk settings - 500MB I think - and it works...
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    Oh, you may find your BIOS settings battery is...

    Oh, you may find your BIOS settings battery is dead after so long. It won't detect Its hard drive until you run the settings software on the floppy disk it should have come with. I replaced the...
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    Hi Tim, Hi have the same Portable III 286 and...

    Hi Tim,

    Hi have the same Portable III 286 and the same WiFi modem - works a treat on mine. It was just a question of finding some suitable modem software, configuring the modem and I was off to...
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    Well done and thanks for the write up! I have...

    Well done and thanks for the write up!

    I have 2 Compaq Portable III 286 units, one working and one with a dead power supply.

    I will have a go at fixing it one day and refer back to this post.
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    Are you able to hook an external monitor to the...

    Are you able to hook an external monitor to the RGB port at the rear? I have the expansion bay with mine with an ISA VGA card .

    If your voltages are ok it's hard to know where to start - I assume...
  9. In the UK - who could forget Maplin Electronics?...

    In the UK - who could forget Maplin Electronics? Still trading I think - although their store in a town near me disappeared a year or so ago. I used to spend hours just reading the various Z80...
  10. Thanks for the link - just read it through!

    Thanks for the link - just read it through!
  11. I've had a look at what's available on the...

    I've had a look at what's available on the S100computers site. It's certainly a possibility, buying their IDE board and building a working unit though. It would be C/PM only though and my coding...
  12. Yes, it has three ISA and maybe 4 PCI slots. The...

    Yes, it has three ISA and maybe 4 PCI slots. The only older PC I have is a Compaq portable III - 286. I have the expansion unit with 2 ISA slots, it's more hassle to disable the onboard IDE and...
  13. All the errors are related to head 0 according to...

    All the errors are related to head 0 according to the segtfmt4 verify utility - which is the one on the underside of the lower platter, where the red blocks are depicted.
  14. Didn't know you could do that - so just choose a...

    Didn't know you could do that - so just choose a different drive type or use the same parameters with one less head?
  15. The fact that the format/very option stops at...

    The fact that the format/very option stops at sector 30 and at that point the head stepping noise starts making 'stressed' noises, like it is sticking, makes me wonder if the head is getting stuck on...
  16. The reason for this entire mfm setup is to see if...

    The reason for this entire mfm setup is to see if the drive is functional. The pentium PC is just a test bed. If I get the drive working, it is destined for an S100 box with TurboDOS installed on it...
  17. ATM ive been using a seagate tool to low level...

    ATM ive been using a seagate tool to low level format the drive. It gets all the way to the end if the format but with 'drive format recal error' all the way. The seagate tool also has a...
  18. Sorry - them voices in ma head again. Can you...

    Sorry - them voices in ma head again. Can you suggest some tools?
  19. Its ok - I'm used to replying to my own posts -...

    Its ok - I'm used to replying to my own posts - Drive Manager reported a format failure after about 8% I think this drive is toast so I will spare you all the agony of this thread.
  20. Sarcastic wink?

    Sarcastic wink?
  21. Well, I downloaded a copy of Seagate Disk Manager...

    Well, I downloaded a copy of Seagate Disk Manager 9.56A - made the boot disk on a 98' box

    https://www.philscomputerlab.com/seagate.html

    Its performing a low level format, currently at 2%.

    No...
  22. Data sheet for ST-4038: ...

    Data sheet for ST-4038: http://textfiles.com/computers/HARDDRIVES/st4038.txt
    Data sheet for ST-4038M : http://textfiles.com/computers/HARDDRIVES/st4038m.txt

    Seems the difference is in the media...
  23. The other video - my setup and settings. 15 mins...

    The other video - my setup and settings. 15 mins - sorry!


    https://youtu.be/9PbFMIdFc3g
  24. I've tried the same format routine but with...

    I've tried the same format routine but with ST-4038M selected. The format seems to go a bit quicker and with 'different' head noises. Some slightly alarming ones too. Its the same sector /...
  25. Seagate ST-4038 MFM hard Drive Ressurection or Burial?

    Drive 0 Recal Error - the main issue!

    Primary Hard Disk Failure - error displayed when the PC goes through its drive detect POST routine.

    Hello - I've been getting serious about an ST-4038 mfm...
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