Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!hellgate.utah.edu!albion.utah.edu!gchunt
From: gchunt%albion.utah.edu@cs.utah.edu (Galen Hunt)
Newsgroups: comp.sys.ibm.pc.rt
Subject: E70 Switches
Message-ID: <1991Feb5.111709.2857@hellgate.utah.edu>
Date: 5 Feb 91 18:17:08 GMT
Organization: University of Utah CS Dept
Lines: 25

A while back I posted a message asking for information about the switches
on the E70 drive.  Several people have since then sent email asking a summary
of the information I received.  The most complete information came from one
source to whom I am greatly indebted.  Thanks for the help!

> From: Robert MacKinnon <robmack@eik.ii.uib.no>
>
> If the drive is a type 0667 then the switches are :
> 
> 	1 (on)	= power on via software
>	  (off)	= power on via the on/off switch on the RT
>	2	= not used (diags??)
>	3 (on)	= 512 byte sectors
>	  (off)	= 256 byte sectors
>	4,5,6	= Drive select (binary)
>		  4 off 5 on 6 off = 2
>		 (4     2    1)
>
>cyls = 583
>heads = 7
>sectors = 36
>
> Terminating resistor should be standard ESDI.  (I'm not sure about this.)

gchunt@peruvian.utah.edu