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Thread: BIOS gives "boot error" on USB boot, CD boot works perfectly

  1. #1
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    Question BIOS gives "boot error" on USB boot, CD boot works perfectly

    I've read the wiki and FAQ and I'm still unable to get a successful USB boot.

    Booting KNOPPIX 6.7.0 CD English version without any difficulties. Verified the md5 sum and verified the CD.

    Trying to install to Kingston Data Traveler 2.0 (4 GB) USB stick. Stick has been used successfully to boot CrunchBang and ArchBang. System is a Dell 530 w/Dell BIOS V1.0.18 dated 2/24/2009.

    When I formatted the stick (gparted) with a MS-DOS type MBR and a 1 GB FAT32 partition, the "Menu->Preferences->Install KNOPPIX to flash disk" option allowed me to skip formatting and installed to the /dev/sdc1 partition. Files looked good when I mounted it. Rebooted and BIOS gave "boot error" message but it *did* recognize the USB stick as bootable.

    OK, I let the KNOPPIX installer partition format the whole stick and install. Again, it looked good in the file manager. This time, the BIOS did not recognize the stick as a bootable device at all. No message because I couldn't select it to boot.

    One thing that *might* be significant -- the BIOS had "ZIP" in the string when it recognized the stick. IIRC, there are two type of bootable sticks: ZIP and some other type. Don't know if this is significant with KNOPPIX installer. (Remember this vaguely from my Damn Small Linux days.)

    Help! Should I use UnetBootIn or is there some other way to resolve this?

  2. #2
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    I have the same issue with my older Dell desktop.

    The solution is to give the USB key zipdrive-like geometry (64 heads, 32 sectors per track)
    You can do that from the Knoppix CD using the "mkdiskimage" script:
    Note: This will erase all data on the USB drive
    Code:
    mkdiskimage -z /dev/sdx 0
    -z means "use zipdisk geometry"
    Replace /dev/sdx with your USB drive (use 'fdisk -l' or gparted to find out what your USB drive is called)
    The 0 means automatically determine the size of the device.

    Also might be required (but wasn't for me) is the -4 option, which means "use partition entry 4 (standard for zipdisks)". This option will cause the Knoppix installer to fail because it tries to install to partition #1 of the USB drive.

    More info in the syslinux docs:
    <edit>Sorry, not allowed to post links yet. Read /usr/share/doc/syslinux/usbkey.txt from the Knoppix CD</edit>

  3. #3
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    @ secdroid.

    I have formatted a 4 Gb usb as a single partition
    of Fat32 with GParted, using a Knoppix 6.7 CD.
    Then, also using the LiveCD, made a LiveUSB, allowing
    2 GB for persistent store, and allowing grub to be
    installed to the MBR of the USB.

    This leaves about 1Gb unassigned on the USB for whatever
    use I might make of it.
    It leaves my computer's MBR unchanged;
    I select USB from among the media boot choices already
    available on my computer's boot program, whatever it is.

    Works for me, and I don't know a simpler way.

    If you are trying to install to a 1 Gb partition,
    I don't think you will have enough room for any significant
    persistent store. 2 Gb will work well enough, except don't
    try a full upgrade of all programs.

  4. #4
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    I've been using different sizes Kingston datatravelers for booting Knoppix for a few years now also on older and newer Dells, never any problem with either syslinux booting (default flash disk install) or grub (setup an ext2 partition on the drive).

    I suspect the troubles may have to do with MBR/partition table issues. I would therefore, as a first shot at it, use fdisk, delete the partition table, recreate it with 1-2 partitions (big FAT32 + small ext2 for evt grub install later), make FAT32 partition active, and run Knoppix flash install again, with formatting. As a second try, repeat fdisking, but use mkfs.vfat from command line instead of flash install to create the file system.

    As a second shot,I would have tried installing grub to MBR and second, small ext2 booting partition. I have posted about this method here on the forums.

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