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- From: jmpor@dynam.adsp.sub.org (Jean-Marc Porchet)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: Moving 500 to 1200, BAD NEWS
- Message-ID: <H0mXr*h41@dynam.adsp.sub.org>
- Date: 5 Nov 92 21:24:43 GMT
- References: <ping.02kd@ping.actrix.gen.nz> <OD.6badnetOA92-901-302p0_52d49fb1@piraya.bad.se>
- <1davn7INNfhf@cs.tut.fi>
- Reply-To: cbmehq!cbmswi!dynam!jmpor@cbmvax.commodore.com
- Organization: Merging Technologies
- Lines: 29
- X-Newsreader: Arn V1.00 beta rel2
-
- In article <1davn7INNfhf@cs.tut.fi>, Kolkka Markku Olavi writes:
-
- > In article <OD.6badnetOA92-901-302p0_52d49fb1@piraya.bad.se> Roger_Nordin@atb.bbs.bad.se (Roger Nordin) writes:
- > >
- > >Parity checking is a thing from the pre-historic when DRAMs were unreliable.
- > >Just like MS-DOG (yes, both pre-historic and unreliable :)).
-
- Error correction and parity checking is usefull when you have a lot of memory
- since thre more memory you have the more you increase the probability of a
- bad read or write in the memory.
-
- > Also, parity checking doesn't _fix_ any memory errors, it only guarantees
- > that the machine will _crash_ when a memory error happens. Apparently some
- > people prefer this sort of behavior.
-
- with 10 bits you will be able to correct an 1 bit failure and detect a
- 2 bits failure.
-
-
- --
-
- PS : forgive my bad English, I'm still trying to learn it
- -----------------------------------------------------------------------------
- Jean-Marc "JUMP" Porchet Phone : (41) 22-754-1733
-
- EMAIL : ...{uunet,rutgers}!cbmvax!cbmehq!cbmswi!dynam!jmpor
- or try mcsun!cbmswi!dynam!jmpor
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- 'Simple things should be simple & complex things should be possible' Alan Kay
-