Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!randvax!vortex!lauren
From: lauren@vortex.COM (Lauren Weinstein)
Newsgroups: comp.periphs.scsi
Subject: synchronous negot. and number of disks
Message-ID: <62.UUL1.3#1@vortex.COM>
Date: 24 Oct 90 05:40:34 GMT
Organization: Vortex Technology
Lines: 20

Here are a few SCSI questions of my own for the collected wisdom:

1) What is "synchronous negotiation" mode?  Does this refer to negotiating
   whether or not synchronous transfers will be done?  By default, I
   assume the AHA-1540B does synchronous transfers, even with the 
   "synchronous negotiation" mode disabled?  (As it is by default on the
   1540B.)

2) Is the 5.0 default DMA transfer rate for the 1540B correct for 
   most situations?

3) How many disks with embedded SCSI controllers will the 1540B support?
   The 1540B documentation says that SCSI disks should be set to to
   ID 0 and 1.  Why not ID 2 and 3 as well?  Is the limit 2 or 4?

Thanks much.

--Lauren--