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  1. Replies
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    The BIOS modification? No, I think Klyball...

    The BIOS modification?

    No, I think Klyball likes a challenge and kindly did it in his spare time.

    The first post in this thread has details on how it's done if you're handy with 8086 assembly...
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    Thanks to Klyball for his expertise in modifying...

    Thanks to Klyball for his expertise in modifying my 1530 BIOS, I now have a machine that boots from CF card!

    Photos of the install & boot process attached.

    At boot I have to wait about 45...
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    Here's a photo of my CF/IDE adapter & the right...

    Here's a photo of my CF/IDE adapter & the right angle 40 pin connectors I bought.

    63083

    I desoldered the male connector on the adapter and soldered the right angle connector to it. No cable...
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    I don't know what the 1520 looks like, but the...

    I don't know what the 1520 looks like, but the 1530 has a "backplane" for the drives with female connectors where the IDE drive & floppy plug in for data & power.

    I got some right angle IDE...
  5. Figures, immediately after I posted, I noticed a...

    Figures, immediately after I posted, I noticed a message from klyball (the user who had success in the GRID thread) kindly offering to help...
  6. Need assistance from a BIOS / Assembly expert!

    I'm looking for someone to assist with modifying the BIOS for a GRID laptop.

    These machines are notorious for only working with certain models of Conner hard drives.

    This post describes some...
  7. Replies
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    Some(?) progress: I got the drive geometry &...

    Some(?) progress:

    I got the drive geometry & name/ID settings for a few CF cards (64MB, 512MB & 1GB) using another machine and the hddid.exe program.

    I plugged the values for the 64MB card into...
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    Ah, I saw the photos and got over excited... I...

    Ah, I saw the photos and got over excited... I went back and re-read your post, now I get it.

    Thanks for the tip on getting the CHS. I've got a cf > ide adapter on the way, as well as a couple of...
  9. Replies
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    You got a 1530 to boot from a CF card?!? That's...

    You got a 1530 to boot from a CF card?!? That's my holy grail!

    I have one with an intermittent Conner failure (more down than up...) that occasionally still boots. I'd love to do what you did.
    ...
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    Thanks, Mike! Looking forward to bringing...

    Thanks, Mike!

    Looking forward to bringing discussion of these (fairly rare) vintage systems to VCFed. This site's been a great resource for all of my other vintage hardware.

    I did grab the...
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    I did similar with a PS2 model 55 with a dead...

    I did similar with a PS2 model 55 with a dead PSU. In my case, I was able to fit the ATX PSU components inside the original PSU case, so it looks "stock".
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    Hey! You're THE glitch! I just picked up an...

    Hey! You're THE glitch! I just picked up an XT-IDE kit from you on ebay.

    If by "UNIX PCs" above you mean AT&T and you're willing to part with a working motherboard, consider me interested!
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    I have a 7300 with an error somewhere in the...

    I have a 7300 with an error somewhere in the memory subsystem (based on the diagnostic LEDs). I set it aside for other projects, but I've been meaning to get back to it.

    It came with the full set...
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    If this is in reply to my post, the PSU was...

    If this is in reply to my post, the PSU was definitely bad. Early on in the thread I was getting proper power out, but after additional testing the voltages dropped significantly and wouldn't even...
  15. Just wanted to post a quick follow up: I've got a...

    Just wanted to post a quick follow up: I've got a working 6300 now. See this thread for details: http://www.vcfed.org/forum/showthread.php?54771-AT-amp-T-6300-won-t-post/page2

    Thanks for your help...
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    Wanted to update everyone that I now have a...

    Wanted to update everyone that I now have a working 6300!

    The original PSU was failing, even after replacing all caps, it would only put out ~2v on the 5v line and ~6v on the 12 v line. I gutted...
  17. Sorry if my post was confusing. For...

    Sorry if my post was confusing. For troubleshooting purposes to rule out installed cards, drives, etc, I was booting the bare board with just the code reader plugged in to the parallel port. When I...
  18. Progress?? I installed the EGA card and...

    Progress??

    I installed the EGA card and keyboard and fired it up.

    35351

    For. Exactly. One. Boot....

    Subsequent restarts give me code 43, 44, 45, keyboard lights keep flashing, nothing on...
  19. I've finally been able to get back to this...

    I've finally been able to get back to this project.

    It looks like the PSU in my 6300 is indeed on its way out and may have been the cause of my problems, instead of the battery leakage. I've...
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    I want to confirm that the PC6300's PSU is...

    I want to confirm that the PC6300's PSU is working under load, before I move on to other components.

    I don't have resistors to make a dummy load, but I do have a Seagate ST-225 and an ST340016A...
  21. I received the replacement and I have a Toshiba...

    I received the replacement and I have a Toshiba 3200 to test with, which also outputs diagnostic codes via the parallel port.

    The defective tester either lights up all 8's or stays completely...
  22. Interesting. I bought this one:...

    Interesting. I bought this one: http://www.ebay.com/itm/381724919978?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT from the same seller.

    He is shipping a replacement to me.
  23. Fair enough. Do you know which other machines...

    Fair enough. Do you know which other machines output POST to lpt? I may have another I can test it with.

    I'm still not convinced the card is working properly. Sometimes the power LED doesn't...
  24. I think this code reader might be defective....

    I think this code reader might be defective. 34382

    I've tested it multiple times on a working 486 and a working Pentium 3 machine - one with award bios, the other with AMI.

    Most of the time, it...
  25. I received the LPT code reader today and had time...

    I received the LPT code reader today and had time for a quick test.

    When I power up one of the bad 6300 boards the LEDs read 8888. Neither the prev/next buttons on the code reader do anything.
    ...
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