Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!sun-barr!newstop!sun!amdcad!brahms!phil From: phil@brahms.amd.com (Phil Ngai) Newsgroups: comp.sys.ibm.pc.misc Subject: Re: MFM vs. RLL Hard Drive Interfacing Message-ID: <1991Apr20.002944.22731@amd.com> Date: 20 Apr 91 00:29:44 GMT References: <1991Apr19.215611.231@actew.oz.au> Sender: usenet@amd.com (NNTP Posting) Organization: Advanced Micro Devices, Inc. Lines: 18 ins_wayne@actew.oz.au writes: > Let me answer you with a few questions, first: "How much is your > data worth? How much will it cost to recover or replace data > lost from operating a drive out of spec? Will this seller give > you a written guarantee that he will pick up the tab when he Will anyone pick up the tab if you only run it MFM? No. > MFM and RLL drives used to be pretty conservatively engineered. > The MFM drives could be pushed hard. Later, the MFM drives got > "better" and less tolerant of being driven hard. The filters > and logic got "better" and less likely to accept such abuse. Hogwash. RLL does not "abuse" the drive and the concept of being driven hard by RLL is incorrect. -- It doesn't have to be perfect to be useful.