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From: korn@cory.Berkeley.EDU (Peter "Arrgh" Korn)
Newsgroups: net.micro.mac
Subject: Re: DataFrame changes
Message-ID: <456@zen.BERKELEY.EDU>
Date: Sat, 4-Oct-86 18:56:35 EDT
Article-I.D.: zen.456
Posted: Sat Oct  4 18:56:35 1986
Date-Received: Tue, 7-Oct-86 19:02:12 EDT
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Reply-To: korn@cory.Berkeley.EDU.UUCP (Peter "Arrgh" Korn)
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Organization: University of California, Berkeley
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>>Incidentally, the people I talked to at SuperMac claim that the XP upgrade
>>does *not* require drive reformating or even hardware mods to the
>>DataFrame itself--just the ROM board inside the Mac.  It should make
>>the Mac about two times as fast during Mac<->HD exchanges.

After having reformatted my SuperMac with version 1.5 of the Initializer,
I have some doubts to that.  The first time I timed my drive (with
the hard drive timing program that came across the net a few weeks ago),
I got something like 32 sec. on the 100 32K reads, and 32 sec. on the 100
32K writes.  I just timed it today (after reformatting with 1.5), and it
timed at 27.1 sec. on the reads, and 28.6 sec. on the writes.

The XP upgrade may not *require* reformatting, but something in either
the reformatting or the new SCSI drivers (gotten by running the Updater
program) does speed up reads and writes.

Peter
-----						  
Peter "Arrgh" Korn		           I know lots of honorary jews!  Why,
korn@ucbvax.Berkeley.EDU			  some of my very best friends
{decvax,dual,hplabs,sdcsvax,ulysses}!ucbvax!korn            are honorary jews!