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Newsgroups: comp.sys.sgi,comp.periphs.scsi
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!uunet!coplex!disk!corpane!herman
From: herman@corpane.uucp (Harry Herman)
Subject: Re: < Connecting Fujitsu M2266SA to SGI SCSI (SOLVED) >
Message-ID: <1991May15.001955.4146@corpane.uucp>
Organization: Corpane Industries Inc.
References: <41530@unlisys.in-berlin.de> <41691@unlisys.in-berlin.de>
Date: Wed, 15 May 1991 00:19:55 GMT
Lines: 31

In <41691@unlisys.in-berlin.de> rot@unlisys.in-berlin.de (Robert Rothe) writes:


[stuff deleted]
>well, to get the disk running it was necessary to 
>1. Disable the Synchronous TransferMode (CHN2, JP 8 (Pin15-16) open)
[stuff deleted]

>the drive runs fine so far..
>but i wonder why i have to slow down the device soo much to get it running
>with the sgi-machine ? is it the fault of the disk, the scsi-driver or the 
>scsi-adapter ?

>many thanx to merritt@climate.gsfc.nasa.gov (John H. Merritt)
>	robert.

>-- 
>Unlisys,  Hohenzollerndamm 7, 1000 Berlin 31     ---     Robert Rothe
>unido!fub!unlisys!rot,   rot@unlisys.in-berlin.de,    030 / 88 22 980

I don't know anything about the SGI, but in order to use synchronous
SCSI, both the controller and the drive have to be willing to do it.
We purchased a disk drive once that was willing to do synchronous
SCSI, but since the controller was not willing to do it, we had to
jumper it off.  I also do not know if you can do both synchronous
and asynchronous SCSI on the same cable or not.  If not, then all
drives on the cable AND the controller would have to be willing to
do synchronous SCSI.

				Harry Herman
				herman@corpane