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Thread: 3.4 won't boot on latititude cpi

  1. #1
    Junior Member
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    Aug 2004
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    3.4 won't boot on latititude cpi

    3.4 will boot on my desktop but not my laptop.
    it just hangs when trying to detect the cdrom/sda (after it detects usb/firewire stuff)
    is this because the laptop is so old? or is it because its cdrom is a moduler bay?
    thanx

  2. #2
    Junior Member
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    Aug 2004
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    Knoppix/Laptop

    My Compaq/Toshiba laptops fail on the autodetect. My solution was running knoppix with the line:

    knoppix26 noscsi noapic nolapic

    Try the noscsi option first, the toshiba worked fine. I needed to disable the rest for the Compaq Presario 700 series.

    Hope this helps

    Matt

  3. #3
    Junior Member
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    Aug 2004
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    Re: Knoppix/Laptop

    Quote Originally Posted by imatuxman
    knoppix26 noscsi noapic nolapic
    Matt
    Thanks imatuxman


    do I type all those in at once or one at a time?

  4. #4
    Senior Member registered user
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    Jul 2003
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    692
    You type all cheatcodes at once.

    jd

  5. #5
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    Thanks a ton everyone!
    got it working with "failsafe"

  6. #6
    Junior Member
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    I used the 'atapicd' option without anything else when facing this issue. This forces the use of atapi cd cddrom and doesn't try to turn it into a SCSI device.

    Taken from the cheat code list:
    knoppix atapicd Do NOT use SCSI-Emulation for IDE CD-Roms

    The other codes posted may get you up and running but may cause other issues later on. You should try to keep options at a bare minimum to address the issues at hand.

    at east thats my 2 cents

  7. #7
    Junior Member
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    Mountain View, CA
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    I have the exact same problem with an old Dell Latitude CPi laptop and Knoppix 3.4.
    It displays...

    Code:
    Looking for CDROM in: /dev/scd0
    ...and it just hangs there.
    The "atapicd" parameter fixes the problem, it's just that, with the 2.6 kernel, even with the parameter is takes a long time (so it appears to be broken regardless of the parameter).
    Anyway, the 2.6 kernel fails later on with: "hdc: irq timeout"

  8. #8
    Junior Member
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    Mountain View, CA
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    Ok. Same thing happens with Knoppix 3.6

    I wonder why SCSI emulation is still used, since it does not appear to be required anymore and it seems to cause problems?
    Are there situations when ATAPI CD causes trouble?

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