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Bug delays AMD quad-core shipments
Bios patch can bypass Phenom and Barcelona problem but it slows system down
Clive Akass,
Personal Computer World 07 Dec 2007
AMD is delaying the release of large volumes of its Barcelona quad-cores
until early next year because of a bug that could cause a system to crash,
according to the
Wall
Street Journal.
The translation-lookaside buffer (TLB) bug also affects the just-released
quad-core Phenoms and is a setback the company could do without at a time when
rival Intel has regained the technological ascendancy.
AMD asked motherboard manufacturers to include a patch for the Bios of
motherboards using the chips to bypass the problem. However AMD admits the patch
slows systems down by 10 percent.
Intel's latest chips
trounced
Phenom systems in our lab tests, which appear to have been done on an
unpatched system. The patch would in theory make them slower still but we plan
to verify this.
Minor bugs in new chips are not unusual. A bug in Intel's very first Pentium
caused a lot of embarrassment for the company, which was taken aback by the
furore - one of the first to be stoked up by the burgeoning internet.
But
some
observers accuse AMD of rushing chips to market to prevent Intel pulling too
far ahead.
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