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From: steveh@tasman.cc.utas.edu.au (Steven Howell)
Newsgroups: comp.sys.mac.hardware
Subject: SCSI Hard Disk's and Bad Sector Maps
Message-ID: <steveh.671112956@tasman>
Date: 8 Apr 91 12:15:56 GMT
Sender: news@diemen.utas.edu.au
Distribution: comp
Lines: 19


	I have been curious to were they store the information concerning bad
sectors on scsi, mainly macintosh, drives. I have researched by myself with no
external help, on various drives, going thru their roms, but still cannot
find a bad sector map. The drives i am mailny interested in are Quantum, Sony
and Rodime. I have few drives with bad blocks and wish to map them out.

	I rang rodime asking them what i can do about mapping out bad sectors
in a rodime 140. He said even though the drive is only 14 months old, and
even though it system bomds at random because it attempts to write to a few bad
blocks, that i should buy  a new drive. Of course there is a diffrent way. 
IBM and PC systems can succesfully map them out their bad sectors in 
IDE, RLL and MFM systems. So why not scsi.

So if anyone has an info, i would greatly appreciate it.

Thanks In Advance

steveh