Removing MBR
  • Butterfly
    Butterfly
    MaSC
    Posts: 63 from 2003/12/1
    From: Cleveland, UK
    Hi, I had a go at installing debian today and it did not go well. After the first detection and partition setup finished it rebooted, fine, that is right up until this point.

    I found that all my other partitions had gone and only the linux partitions remained.

    So I booted into the mos cd and in scsiconfig I found that debian had installed a MBR for some reason. The mos partitions are still there, I can access them from the mos cd but the smartfirmware can not see them.

    Now, I know hdwrite will fix this, but will it leave my mos partitions intact?

    ps I should ask this at ppczone, but, while i'm here, the debian installion process was running in a very low res, i'm talking ~320x200 here. Everything was very hard to read as the installation process could only show to lines of text at a time at about 20 chars across. Is this normal? Why didn't it default to standard VGA?

    Thank-you for you time.

    [ Edited by MaSC on 2005/5/9 15:02 ]

    [ Edited by MaSC on 2005/5/9 16:50 ]
  • »09.05.05 - 20:55
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  • Paladin of the Pegasos
    Paladin of the Pegasos
    tokai
    Posts: 1289 from 2003/2/25
    From: binaryriot
    if you do it properly then your mos partitions will stay intact. If you do it wrong you kill everything.


    morphos:> hdwrite ?
    Device/A,Unit/A/N,File/A,Sector/A/N,SectorSize/N:
    e.g.
    hdwrite ide.device unit 1 mossys:c/reboot sector 0

    this will write the reboot tool (as it's a file below 1024 bytes) to sector 0 of your hd (the place where the MBR lives).

    Make sure you write a file which is smaller than 1024 bytes, else you kill more than you want.

    regards,
    tokai
  • »10.05.05 - 20:52
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