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Thread: Sun SPARC station mounting CD-ROM

  1. #1

    Question Sun SPARC station mounting CD-ROM

    Hello,

    I am trying to mount a CD-ROM on sunos 5.5.1 but I am getting nowhere. The computer does display the device when the probe-scsi command is used but it will not mount when using the 'mount' command. It continues to give me errors like 'no such device' and 'CD-ROM busy' etc.

    Does anyone have any idea what is happening?

    Thanks,
    Max

  2. #2
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    What model of CD-ROM are you using? Is it set to 512 byte formats? CD-ROMs intended to be attached to a PC default to using 2048 byte sectors. In some cases, there is a jumper that will switch the mode to work correctly.

  3. #3

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    I not 100% sure but it has a strange connector on the end that won't fit into a standard PC so I would assume that it is an old one.

  4. #4

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    Assuming you've got the termination correct that is almost certainly the problem.
    IBM 5170/5053, 2 x 5150/5051
    Sun IPC, Ultra1 and SPARCclassic with tape, disk and CD
    HP Apollo 9000/735
    Silicon Graphics Indy, O2
    Radio Shack TRS-80 model 100
    Apple Mac Plus, DEC 5000/25

  5. #5

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    Sorry I don't know anything about these systems, what do you mean?

    Thanks ,
    Max

  6. #6
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    The drive should have a label indicating manufacturer and model number. That information should also show up in the OS information panels. Also, is the drive internal or external?

    Termination keeps signals on the cable from going wonky. If the CD-ROM is the last drive on a chain, it will need to have termination. That is done by a jumper if internal. Some external drives have a termination jumper. For the rest, a terminating block needs to be installed which looks like the external cable connector plug without a cable.

    With SCSI CDROMs, you will encounter several types.
    1) PC/MAC targeted which can be modified to SUN standard.
    2) PC/MAC targeted that can't be modified. Patch OS or trade to someone with a proper SUN supported drive.
    3) SUN supported drive. Some other problem exists.

    The SUN CDROM FAQ is about 20 years old. It will list some models that just can't be made to work and some methods for modifying a few common drives to work.
    http://www.sun3arc.org/FAQ/cdrom/

    If still uncertain, take some pictures of the setup. Closeups of drives, connectors, and jumper settings will be most helpful in letting anyone else see problems.
    Last edited by krebizfan; November 13th, 2015 at 10:58 AM.

  7. #7

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    I just checked the drive model and it seems it is a toshiba XM-5701.

    I'll check the FAQ's to see if that drive is listed.

    I assume it must be okay as the original owner used it to install Solaris on it ages ago as it originally had next step on it.

    Thanks,
    Max


    It's not on the list.
    Also the setup is two cables 1 power and another communications, that's it.
    Last edited by Max1227; November 13th, 2015 at 11:09 AM.

  8. #8

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    How do you change the target of a device?

  9. #9

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    It's a jumper setting. There are three jumpers for that, binary 1, 2, and 4.
    Be polite and I may let you live.

    https://youtu.be/ctrCt_Q6XHQ

  10. #10

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    image.jpg

    Which ones do I need to change?
    The picture above shows my setup currently. There are 3 jumpers.
    Last edited by Max1227; November 14th, 2015 at 10:42 AM.

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