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- Newsgroups: comp.sys.amiga.hardware
- Path: sparky!uunet!mcsun!Germany.EU.net!mpifr-bonn.mpg.de!speckled.mpifr-bonn.mpg.de!mlelstv
- From: mlelstv@speckled.mpifr-bonn.mpg.de (Michael van Elst)
- Subject: Re: Moving 500 to 1200, BAD NEWS
- Message-ID: <1992Nov10.040940.12848@mpifr-bonn.mpg.de>
- Sender: news@mpifr-bonn.mpg.de
- Nntp-Posting-Host: speckled
- Organization: Max-Planck-Institut f"ur Radioastronomie
- References: <ping.02kd@ping.actrix.gen.nz> <OD.6badnetOA92-901-302p0_52d49fb1@piraya.bad.se> <1davn7INNfhf@cs.tut.fi> <1992Nov7.235338.5456@ntg.com>
- Date: Tue, 10 Nov 1992 04:09:40 GMT
- Lines: 18
-
- In <1992Nov7.235338.5456@ntg.com> dale@ntg.com (Dale Luck) writes:
- >Parity memory is a necessity in any environment where security of
- >data is needed. Todays DRAMs are still succeptible to the occasional
- >alpha particle hit to knock those electrons around, especially in
- >the high density drams that do not have that much charge in those wells
- >to maintain the state of a memory cell.
-
- Hmm.. count the probability of errors that get detected by parity and
- the number of errors that are generated by the 12.5% more RAM needed
- plus the failure rate in the parity control logic. Parity doesn't offer
- much..
-
- Regards,
- --
- Michael van Elst
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