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Thread: Ethernet card stoped working when added a SCSI controller.

  1. #1

    Question Ethernet card stoped working when added a SCSI controller.

    Hello,

    So I have a Tandy 1000 SX that is getting pretty complex and I cannot find what the problem is so I'm asking for your help.

    Before it had a ST11R card with a ST-225 hard drive (I know I know, MFM drive on a RLL controller(It worked falwlessly though)) and with the 3c509 ethernet card + the packet driver, everything was fine, the packet driver loaded and I could use the mTCP utilities.

    Then I added a SCSI card, a ST-01 with a ROM revision of 3.2.2 iirc so that I could use my 44MB Syquest drive (removable cartridges has become a necessity for testing for me, imagine being able to just swap the os you run on a PC XT just by changing the cartridges of the syquest drive). Then I lunched the packet driver and then it hangs there

    20210301_204837.jpg

    Some info about the cards :

    Ethernet: shown in the picture
    ST-01: IRQ: 5.

    Thank you.

  2. #2
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    Port addresses?

  3. #3

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    Quote Originally Posted by Chuck(G) View Post
    Port addresses?
    Of the St-01 ? I cannot find what it may be on the internet.

  4. #4

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    Quote Originally Posted by Chuck(G) View Post
    Port addresses?
    0x300 too I'd guess.

  5. #5
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    Try running Microsoft's DOS 'MSD' and/or 'Check-It' and see where everything is at. I too run a SCSI card once in a while on my SX but I don't use a serial port as I have a bus mouse.
    Surely not everyone was Kung-fu fighting

  6. #6

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    0x300 was a very common default IO port for early SCSI adapters. Try to switch your NIC over to 280

  7. #7

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    Quote Originally Posted by maxtherabbit View Post
    0x300 was a very common default IO port for early SCSI adapters. Try to switch your NIC over to 280
    Thank you for the info, I tried 2 different address and it still freeze at the same place.

  8. #8
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    I assume that jumper W3 on the ST01 is not installed.

  9. #9

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    JP3 is on IRQ 5. MSD also says that the hard disk controller is at IRQ 5

  10. #10

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    Ok, so after some testing, it seems that it's mTCP's dhcp that hangs there, reseau is a batch that starts the packet and then it lunches dhcp. That solves the packet problem, but now, the problem is why does mTCP's dhcp hangs there. The software interrupt in it's config file 0x60, which is what the card reports.
    Last edited by nintenloup; March 4th, 2021 at 09:17 AM.

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