Path: utzoo!attcan!uunet!aplcen!samsung!usc!rutgers!njin!princeton!phoenix.Princeton.EDU
From: bskendig@phoenix.Princeton.EDU (Brian Kendig)
Newsgroups: comp.sys.mac.misc
Subject: Hard disk format interleave rates: Which is best?
Message-ID: <2612@idunno.Princeton.EDU>
Date: 19 Sep 90 15:35:54 GMT
Sender: news@idunno.Princeton.EDU
Organization: Starfleet Academy: Princeton University  PQC PTC CIT EECS SCI
Lines: 25

I have a Macintosh SE with 2.5Mb of memory.  When I got my hard drive
(a Tulin 50Mb built-it-yourself model; 50ms access time) two years
ago, I did a low-level format with a 1:3 interleave ratio (the default
of the formatting program).

Shortly thereafter, I learned that Mac Plusses work best with the 1:3
ratio.  The SE should be formatted at 1:2, and any higher models, at
1:1.  In the hopes that I'd occasionally use my hard drive with faster
machines, I reformatted my drive at 1:1 interleave, and noticed no
real difference in speed either way.

Since then, I've learned that going from 1:3 to 1:1 on a machine that
should be using 1:2 will actually slow down disk access!

My question is: If I reformat my hard drive at 1:2 interleave, will I
notice a marked increase in drive performance?  Or is it possible that
my machine is just being peppy and works fastest at 1:1?

Thanks for any info!

     << Brian >>
| Brian S. Kendig      \ Macintosh |   Engineering,   | bskendig             |
| Computer Engineering |\ Thought  |  USS Enterprise  | @phoenix.Princeton.EDU
| Princeton University |_\ Police  | -= NCC-1701-D =- | @PUCC.BITNET         |
.. s l o w l y,  s l o w l y,  w i t h  t h e  v e l o c i t y  o f  l o v e.