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Thread: Seagate ST-4053 and IBM AT

  1. #1

    Default Seagate ST-4053 and IBM AT

    Hello, I tried connect my ST-4053 to IBM AT (type 3 board).
    First problem - ok this disk is not supported by IBM BIOS, its 1024/5/17 and this CHS parameters are not compatible with any type of supported disks.
    So I tried format this disk to nearest supportable type number and this is type 17 (977/5/17) - Without success. I connected it to my 386 test computer and format without any problems to type 17. Connected to IBM AT - not success.
    Where is problem? ST-4053 is MFM disk not RLL according to information on internet. Last attempt was connect IBM AT HDD controller to my 386 computer with ST-4053 and here was problem. Its worked bad and cant format to type 17.
    ST-4038 is working on my AT without any problems.
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  2. #2
    Join Date
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    Quote Originally Posted by romanon View Post
    ST-4038 is working on my AT without any problems.
    Quote Originally Posted by romanon View Post
    ...IBM AT HDD controller ...
    Suggesting that the IBM AT controller and related cables/connectors are good.

    Quote Originally Posted by romanon View Post
    ...ST-4053 ...
    Quote Originally Posted by romanon View Post
    I connected it to my 386 test computer and format without any problems to type 17.
    Suggesting that the ST-4053 is good.

    Quote Originally Posted by romanon View Post
    Where is problem?
    By "format", do you mean DOS format, or low-level format ?

    What is the error message ?

    Some machines have flat (straight-through) control cables, and some have twisted control cables. If the IBM AT and the 386 have different types of control cables, you would have to change the drive-select jumper when moving the drive between the machines. Different types of control cable ?

    Quote Originally Posted by romanon View Post
    Last attempt was connect IBM AT HDD controller to my 386 computer with ST-4053 and here was problem. Its worked bad and cant format to type 17.
    The IBM AT controller may not be compatible with your 386.

  3. #3

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    Quote Originally Posted by modem7 View Post

    By "format", do you mean DOS format, or low-level format ?

    What is the error message ?
    Low level format of course. I use IBM AT diagnostic diskette to LVL format ST-4053 but there was error message right on start of formating. I dont remember exactly type of error right now. Also tried with SSTORE and without success.

    Quote Originally Posted by modem7 View Post
    Some machines have flat (straight-through) control cables, and some have twisted control cables. If the IBM AT and the 386 have different types of control cables, you would have to change the drive-select jumper when moving the drive between the machines. Different types of control cable ?

    The IBM AT controller may not be compatible with your 386.
    Yes, I am aware of it, I deal with it with changing of jumper position on disk.
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  4. #4

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    Quote Originally Posted by romanon View Post
    Low level format of course. I use IBM AT diagnostic diskette to LVL format ST-4053 but there was error message right on start of formating. I dont remember exactly type of error right now. Also tried with SSTORE and without success.
    That could indicate a bad track zero or some other fatal error which would not be uncommon for a drive of that age.
    PM me if you're looking for 3" or 5" floppy disks. EMail For everything else, Take Another Step

  5. #5

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    Quote Originally Posted by Stone View Post
    That could indicate a bad track zero or some other fatal error which would not be uncommon for a drive of that age.
    But this drive work perfectly on my 386 computer
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  6. #6

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    Try it on the 386 again.
    PM me if you're looking for 3" or 5" floppy disks. EMail For everything else, Take Another Step

  7. #7

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    Quote Originally Posted by Stone View Post
    Try it on the 386 again.
    I tried, disk is fine. Its not working with IBM AT controller, I dont know why..
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  8. #8
    Join Date
    May 2006
    Location
    Melbourne, Australia
    Posts
    6,394

    Default

    If you run SpeedStor's seek test (via [Diagnostics][SeekTest]), do you hear the heads move ?

  9. #9

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    Quote Originally Posted by modem7 View Post
    If you run SpeedStor's seek test (via [Diagnostics][SeekTest]), do you hear the heads move ?
    No, seek test not passes at all, instant error in first two entries
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  10. #10

    Default

    Quote Originally Posted by romanon View Post
    Its not working with IBM AT controller, I dont know why..
    Quote Originally Posted by romanon View Post
    No, seek test not passes at all, instant error in first two entries
    But the ST-4038 runs OK with that IBM AT controller, right?
    PM me if you're looking for 3" or 5" floppy disks. EMail For everything else, Take Another Step

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