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- Path: sparky!uunet!ogicse!uwm.edu!rutgers!cbmvax!grr
- From: grr@cbmvax.commodore.com (George Robbins)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: PC880B External Floppy and the A1200
- Message-ID: <37197@cbmvax.commodore.com>
- Date: 21 Nov 92 19:08:25 GMT
- Article-I.D.: cbmvax.37197
- References: <13651@ecs.soton.ac.uk>
- Reply-To: grr@cbmvax.commodore.com (George Robbins)
- Organization: Commodore, West Chester, PA
- Lines: 35
-
- In article <13651@ecs.soton.ac.uk> efp90@ecs.soton.ac.uk (Pritchard EF) writes:
- > If you've got a Power Computing PC880B and want to get an A1200, bad
- > news I'm afraid:
- >
- > The PC880B doesn't work with the A1200!!!
- >
- > At least, not well...
- >
- > I got a brand new PC880B for my A500 in October, and was quite pleased
- > with it (except for the fact that the Anti-Virus function is
- > completely useless as it stops all writes to track 0, and Amiga writes
- > a track at a time so valid write accesses to that track are made
- > illegal!), and this month I got my A1200. They don't like each other!
- >
- > Perfectly valid disks are proclaimed to have a `read error' on them,
- > cancelling the resulting requester multiple times often lets the data
- > be read, and the disks work well in the internal drive (this happens
- > for all disks OFS, FFS, OFS+DC, FFS+DC). Also the drive doesn't seem
- > to like disk changes any more, often refusing to recognise a disk when
- > you put it in, even if it is the same one that you just took out!
- >
- > I rung Power Computing yesterday, and they are aware of the problem,
- > but, as yet, do not know the cause. They said to ring back at the end
- > of next week and they may have a solution. They did not offer to swap
- > the drive for a different model which does work...
-
- Most likely, they are using something other than the 1K terminating
- resistors that are standard for the Amiga drives. I guess it is also
- possible that there is some timing dependency in their device that
- trips up on 68020 or 3.0 timings.
-
- --
- George Robbins - now working for, work: to be avoided at all costs...
- but no way officially representing: uucp: {uunet|pyramid|rutgers}!cbmvax!grr
- Commodore, Engineering Department domain: grr@cbmvax.commodore.com
-