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From: phil@pepsi.amd.com (Phil Ngai)
Newsgroups: alt.msdos.programmer,comp.sys.ibm.pc,comp.sys.ibm.pc.programmer
Subject: Re: Micropolis HDs & WD1006V-SR2 RLL 1:1 Controllers
Keywords: MFM, RLL, WD, M1335, M1323
Message-ID: <1990May25.200650.17246@bach.amd.com>
Date: 25 May 90 20:06:50 GMT
References: <60997@sgi.sgi.com>
Sender: usenet@bach.amd.com (NNTP Posting)
Organization: Advanced Micro Devices; Sunnyvale, CA
Lines: 17

In article <60997@sgi.sgi.com> fanj@remb6489.wpd.sgi.com (Fan Jiao) writes:
|I got a new WD1006V-SR2 to re-format Micropolis' 71Meg(1335) and 34Meg(1323).
|I got 107 Meg from the 1335, while 43 Meg, 1323(I could not find any closer
|match to 1024X4; instead I used 820X4).

You can customize the geometry, it's an entry on the menu you get when
you run cc00:5.

|I ran SI on C:, and the index is 3.6, compared with 2.7 in MFM 3:1 case.
|I also did CORETEST.  The transfer rate now is 672 KB/sec, while it was
|162 before.

Did you set 1:1 interleave? You should get about 798 Kb/s.

--
Phil Ngai, phil@amd.com		{uunet,decwrl,ucbvax}!amdcad!phil
The Green Movement has Red Roots.