SCSI delay on power up with 1542B and ISC 2.2

Tim Bowser strike at clmqt.marquette.Mi.US
Sun Sep 2 01:27:04 AEST 1990

larry at nstar.uucp (Larry Snyder) writes:

>>If you use SCSI drives, at least some of them power-sequence themselves;
>>that's a consideration since it's the start-up power requirement that's the

>I tried enabling the delay on power up on my SCSI Wren drives - but
>the Adaptec 1542B & ISC never finds the drives - 

Curious.  I missed the first part of this thread, but it looks suspiciously
like the behavior of my 1542B/ Seagate 296N combination under Xenix 2.3.2.
On the initial power-up sequencing, the Adaptec will poll for devices
before the Seagate has finished it's recalibration. After about ten seconds
of silence, the ST296N will restart what sounds like it's power-on self
test, and the 1542B will then report it as Drive C and continue.

Come to think of it, this is not OS specific, because it does this when I
run it under DOS as well.

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