Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!samsung!brutus.cs.uiuc.edu!lll-winken!ames!sgi!markb@denali.sgi.com
From: markb@denali.sgi.com (Mark Bradley)
Newsgroups: comp.periphs
Subject: Re: Disks with Multiple, Independent Sets of Heads
Summary: Imprimis does NOT sell one
Message-ID: <44905@sgi.sgi.com>
Date: 17 Nov 89 18:32:21 GMT
References: <5995@wiley.UUCP> <10144@alice.UUCP>
Sender: markb@denali.sgi.com
Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 27

In article <10144@alice.UUCP>, andrew@alice.UUCP (Andrew Hume) writes:
> 
> 
> imprimis sells a version of their 8" 1.2GB sabre drives that has
> two independent heads (for a total I/O bandwisth of 6MB/s).
> its called a "Sabre 2HP".
> 
> imprimis is also developing a hooning sabre that connects to a
> xylogics or ciprico controller (which looks like an IPI-3 interface to a host).
> Each head has an I/O path which means 9x3=27MB/s bandwidth. although
> in this case, i believe th heads have to be moved together.

No.  The heads are on the same actuator.  This is not, therefore,
2 independent sets of heads.  Same for their future product.

					markb

--
Mark Bradley				"Faster, faster, until the thrill of
I/O Subsystems				 speed overcomes the fear of death."
Silicon Graphics Computer Systems
Mountain View, CA 94039-7311		     ---Hunter S. Thompson

********************************************************************************
* Disclaimer:  Anything I say is my opinion.  If someone else wants to use it, *
*             it will cost...						       *
********************************************************************************