Re: TK85-BX drive
From: bennett (bennett_at_mpgars.desy.de)
Date: 01/28/04
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Date: Wed, 28 Jan 2004 17:13:24 +0100
Paul Repacholi wrote:
>
> "Hans Vlems" <hvlems.nieuw@zonnet.nl> writes:
>
> > "Ben" <cellctl@lycos.com> schreef in bericht
> > news:dd8c4466.0401252041.44bf5e80@posting.google.com...
>
> >> I recently was given a VAX 4000-400, and am selling off some of the
> >> parts. However, as I've been looking for a tape drive, I'm
> >> thinking about keeping the drive. It's a TK85-BX, mounted in a
> >> drive cage with a DSSI connector on the end. My question is: is
> >> this drive truly DSSI, or is it SCSI with a DSSI controller stacked
> >> on. (in which case it should be easily removed and set up for scsi
> >> functionality...?)
>
> > The TK85 model indicates that it is a SCSI drive, DSSI models were
> > called TF85 IIRC.
>
> The 85, and possibley the 86, used a drive plus an interface board.
> A TK85 plus a SCSI board gives you a TZ85, a DSSI board, a TF85.
> You also need to fondle firmaware, sacrifice the right chicken etc...
I've had to have a number of TF86 drives replaced by DEC/Compaq/HP
service over the years; they always send us a TK86 SCSI drive, and
the FS engineer then has to remove the TF86 drive from the drive
cage, move the DSSI adaptor board (which clips onto the TK86) to
the replacement drive, put same back in cage and then insert into
DSSI drive slot ... usually they also remember to swap the "TK86"
label on the front of the replacement drive for the "TF86" label on
the old drive.
So I would suggest that you remove the drive from the cage and see
if it doesn't have a DSSI adaptor board clipped onto it; remove
that, and you'll have a TK85. (The part-no. label on the back will
likely say TK85; only the removable plastic label on the front will
say TF85...)
Hope it helps,
Bill Bennett
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