Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!crdgw1!crdos1!davidsen
From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr)
Newsgroups: comp.arch
Subject: Re: *big iron*
Message-ID: <658@crdos1.crd.ge.COM>
Date: 29 Sep 89 23:42:27 GMT
References: <21962@cup.portal.com> <1989Sep12.031453.22947@wolves.uucp> <22636@cup.portal.com>
Reply-To: davidsen@crdos1.UUCP (bill davidsen)
Organization: GE Corp R&D Center
Lines: 23


  Thanks for posting that data. It looks like a lot of other stuff
previously posted as the DOS call level, so I have more faith at the
BIOS level. Did you try a CORE test? It shows about 600KB for a cached
RLL controller.

  If a disk is rotating at 3600 rpm, and there are 26 sectors of 512
bytes on each track, the burst rate is:
	26*512*3600/60/1024 = 780
Where:
	26	sectors
	512	bytes/sector
	3600	rpm
	60	sec/min
	1024	1K
	780	kilobytes/sec

  I think that shows you are getting close to "all there is."
-- 
bill davidsen	(davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
"The world is filled with fools. They blindly follow their so-called
'reason' in the face of the church and common sense. Any fool can see
that the world is flat!" - anon