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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!moe.ksu.ksu.edu!ux1.cso.uiuc.edu!kellmeye
- From: kellmeye@ux1.cso.uiuc.edu (kellmeyer steven l)
- Subject: Re: Format 3.5 DD floppy as a HD, is it reliable?
- Message-ID: <BxGE3J.FBz@ux1.cso.uiuc.edu>
- Organization: University of Illinois at Urbana
- References: <iyP3sB6w165w@ersys.edmonton.ab.ca> <0?31H6y#la@atlantis.psu.edu> <Bx5ByA.Lqt@ux1.cso.uiuc.edu> <40531@sdcc12.ucsd.edu>
- Date: Mon, 9 Nov 1992 14:40:17 GMT
- Lines: 38
-
- ee152fbw@sdcc15.ucsd.edu (Itoyoko) writes:
-
- >In article <Bx5ByA.Lqt@ux1.cso.uiuc.edu> kellmeye@ux1.cso.uiuc.edu (kellmeyer steven l) writes:
- >>You can do it, but it's not a very good idea at all. The high density
- >>disks have a less magnetically sensitive media which requires a significanlty
- >>higher write-flux than do low density diskettes (that's how they stuff
- >
- >The other way around, low density uses a higher write flux
-
- I'm quoting (from memory) from the book "Upgrading and Repairing PCs"
- which, as I remember, stated that high-density disks are less sensitive and
- require a higher write flux. My memory or the book could easily be wrong,
- of course, but the author took great pains to emphasize that low density
- disks formatted as high density may fail to reformat correctly when you
- decide to put them back at 720KB since the lower write flux may not be able
- to overwrite the high density tracks. One of us is wrong. Does anybody
- know which of us it is?
-
- >>
- >>other as much, and they can be placed closer together). If the high write
- >>meter is used on the more sensitive low density media, you're REALLY
- >>
- >>In short, the data on such media eats itself. Very unstable.
-
- >Basically, using a low density disk to write high density format,
- >you have a media being written at lower flux than it is designed to
- >accept, so you risk demagnitization over time, but for short term
- >use, I find that low density disks used as high work quite well.
-
- Personal choice. I find my data is worth an extra buck a disk.
-
- >IY
-
- Steve Kellmeyer
- --
-
- Steve Kellmeyer
- kellmeye@ux1.cso.uiuc.edu
-