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- From: dlow@pollux.svale.hp.com (Danny Low)
- Date: Wed, 23 Dec 1992 00:21:14 GMT
- Subject: Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"
- Message-ID: <5870140@pollux.svale.hp.com>
- Organization: HP LOVECRAFT DIVISION
- Path: sparky!uunet!usc!sdd.hp.com!hpscit.sc.hp.com!hplextra!hpcss01!hpergfg2!pollux!dlow
- Newsgroups: comp.sys.ibm.pc.hardware
- References: <1grur8INNkg2@savoy.cc.williams.edu>
- Lines: 19
-
- >Some people asserted that it would kill my chip
- >soon while others claimed that Intel makes ALL its chips for 33Mhz,
- >and only tests the ones at 33Mhz if it plans to sell them at 33Mhz.
- >The rest are tested at lower clock rates. This would imply that if the
- >chip works at 33Mhz, then it is just as good as 33Mhz.
-
- This is not quite right. Intel tests ALL chips at 33MHz and those
- that pass are marked 33Mhz. Those that FAIL are re-tested at
- 25MHz and if they then pass, are marked 25MHz. So your 25MHz
- chip is marked as such because it failed at least one of the tests
- Intel uses at 33MHz. I would not be all that confident of the
- reliability of the chip. The dealer is betting that you will not
- encounter the failure that made the chip a 25MHz one instead of
- a 33MHz one.
-
- Danny Low
- "Question Authority and the Authorities will question You"
- Valley of Hearts Delight, Silicon Valley
- HP CPCD dlow@pollux.svale.hp.com
-