You're doing nothing wrong.  Toshiba made two versions of 2.5" SCSI drives, one
with terminating resistors installed and one without them.  Sometimes you can
identify them by the model number.  After the Hdd # , there is a letter.
C=termination, D, L and R=no termination.  I haven't tried to install them yet
but I have a new 500 MB one that needs the resistors.  They're surface mount but
not too hard to do.  The way yours works is exactly the symptoms you would
expect, the external device provides termination and it works fine, take it off
and there is no termination.

Randy





[EMAIL PROTECTED] on 08/07/2001 10:33:08 PM

Please respond to [EMAIL PROTECTED]

To:   [EMAIL PROTECTED]
cc:    (bcc: Randy Minton/CommScope)
Subject:  Recognizing Toshiba drive



Hi all,
Having difficulty getting a used 500mb Toshiba scsi drive recognized on my PB
520c.

The Toshiba is supposed to be Mac format. It must have been formatted with
Japanese HD software but no idea which.

Tried several times to install English OS 8.1 from an external Apple CD rom
(holding C and then Com-opt-shift-delete)  but it will not start up from the
external CDR.

English Apple OS 8 SCSI drive set up lite (on floppy disk) won't recognize the
Toshiba drive either.

 The Toshiba HD icon did show up when I booted the PB520 from an external HD
which had a Japanese OS 8 on it.

Next tried  putting the PB520 in scsi mode on my Power Mac 6200. Was able to do
an easy install of English OS 8.1 via the destop Mac's CD.  It went through the
installation motions.

The PB still won't boot from the Toshiba HD on its own. However  when I attach
the external HD (ID #6) it boots up from the English OS 8.1.  The Toshiba HD in
the PB has ID 0.

 Am i fated to always have to use the external HD  for the PB to boot?  What I
am doing wrong?

TIA,
Zita







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