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  • Re: Reading damaged 8050 disks

    From Matthew Montchalin@mmontcha@OregonVOS.net to comp.sys.cbm on Saturday, July 19, 2003 00:38:16
    From Newsgroup: comp.sys.cbm

    On Sat, 19 Jul 2003, Nicolas Welte wrote:
    I'm trying to help someone convert a few 8050 disks he has lying about
    and many of them seem unreadable (errors on directory and disk copy with cbmlink). Anyone out there know of any utilities to read/copy the disks
    and thus get past any errors? DOS copy won't let me. Something like
    Fast copy for the 8050, or program/code to do a direct access to the
    disk read routines?
    |
    |Hi Larry,
    |
    |I have a similar problem. I'm not aware of any utilities that are able
    |to make copies or images of damaged disks. In theory it's the same as
    |with the 1541, for some errors the contents of the damaged sector are
    |already in the DOS buffer. For other errors (header errors) the sector
    |is not read into the buffer, even if it's still on the disk.

    Frequently enough, the data is still in the buffer, but for a decode
    error.

    Try driving the job queue.

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