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- From: olson@anchor.esd.sgi.com (Dave Olson)
- Newsgroups: comp.sys.sgi
- Subject: Re: SCSI floppy disk on INDIGO: Why is it so slooow?
- Message-ID: <uog9t80@zuni.esd.sgi.com>
- Date: 11 Jan 93 18:27:06 GMT
- References: <unepq0o@zuni.esd.sgi.com> <1993Jan11.092139.28106@sol.ctr.columbia.edu>
- Sender: news@zuni.esd.sgi.com (Net News)
- Organization: Silicon Graphics, Inc. Mountain View, CA
- Lines: 14
-
- In <1993Jan11.092139.28106@sol.ctr.columbia.edu> penev@venezia (Penio Penev) writes:
- | As far as I remember, the controller has a mode of reading a series of tracks with
- | one operation. On the PC the transfer of the data is done by DMA. You specify to
-
- No. You are thinking of the floppy level controller (765 or compatible
- chip). That *only* works if there is RAM to put the data into, and the
- SCSI controller board on the drive only has one sector of RAM. I've
- said this about as many ways as I can think of, so I'll probably drop it
- now. *Please* read all of the other articles in the thread before
- replying further.
- --
- Let no one tell me that silence gives consent, | Dave Olson
- because whoever is silent dissents. | Silicon Graphics, Inc.
- Maria Isabel Barreno | olson@sgi.com
-