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Thread: Seagate ST01 SCSI Host Adapter, 16K ROM Version 3.3

  1. #21
    Join Date
    Apr 2007
    Location
    Western United States
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    563

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    Quote Originally Posted by asensio12 View Post
    I have version 3.3, is in a 27128 eprom and works in older versions of ST01/02 cards. Desoldered
    v3.3 from the original card, make an eprom copy, put the copy in an old ST01/02 card and works well.
    Not to be a Doubting Thomas, but there is a 20-pin PAL/GAL chip on the v3.3 ST01 that is lacking on the earlier cards. Certainly, something can't be working properly...?

  2. #22

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    Quote Originally Posted by Cloudschatze View Post
    Not to be a Doubting Thomas, but there is a 20-pin PAL/GAL chip on the v3.3 ST01 that is lacking on the earlier cards. Certainly, something can't be working properly...?
    Um.... so do you still have this ? I know it's been a while but ya never know....

  3. #23
    Join Date
    Apr 2007
    Location
    Western United States
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    563

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    Quote Originally Posted by marc.hull View Post
    Um.... so do you still have this ? I know it's been a while but ya never know....
    I've yet to have anyone pony up an "esoteric 8-bit soundcard" for trade, so yes...

  4. #24
    Join Date
    Jan 2008
    Location
    70 Miles NW of Melbourne, Australia
    Posts
    603

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    I just bought one of these, Ver 3.3 with FDC, for $20 on eBay........... Will try with a CF card and report back.

  5. #25
    Join Date
    Feb 2010
    Location
    Russia, St.Petersburg
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    195

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    I've finally found an ST01 with OLD schematic and PCB and NEW 3.3 BIOS.


    The upper PCB had 3.3 BIOS and lower had 3.0 BIOS. As you see, the only difference is is small resistor.

    Original BIOSes chips:


    BIOS 3.3 image:
    seagate ST01-02_V3.3.bin

  6. #26

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    What's the value of that small resistor?
    The link for BIOS 3.3 is dead

    Any driver for this card?

  7. #27

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    Question - is there a reason nobody uses the original type of drives that originally came in 8 bit ISA PCs like the 5150, 60 and clones? People are willing to pay $60 for XT IDEs and/or wait for rare cards like this to appear so I assume there was something wrong with the huge MFM drives they were IIRC? Are they unobtanium now or what? Did I just get lucky with my PC XT that has its original HDD?
    Looking For:
    IBM PS/2 9595 Motherboard
    IBM PS/2 Floppy Drives & Cables
    MCA sound card
    IBM PC Server 720/others

  8. #28

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    I burned new v3.3.2 ROM for my ST02. The floppy port works fine but the SCSI reports:
    SCSI Host Adaptor Failure


  9. #29
    Join Date
    Feb 2010
    Location
    Russia, St.Petersburg
    Posts
    195

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    RiP2 Did you try 3.3.0 ?
    BIOS collection:
    http://minuszerodegrees.net/rom/rom.htm
    (search Seagate)

  10. #30
    Join Date
    Sep 2012
    Location
    Indiana, USA
    Posts
    490

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    Quote Originally Posted by RiP2 View Post
    I burned new v3.3.2 ROM for my ST02. The floppy port works fine but the SCSI reports:
    SCSI Host Adaptor Failure

    Do you have a drive connected? These cards will report a host adaptor failure if there is no hard drive detected.

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