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PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Tue, 10 Aug 1999 07:24:33 EDT
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In a message dated 8/10/99 2:33:36 AM Eastern Daylight Time,
[log in to unmask] writes:

<<
 Hi,

 It is well "known" on overclocking circles that Maxtor and Fujitsu HD's
 are no good for overclocked computers and IBM and WD's are good.  I
 can't for the life of me understand what effect the FSB speed would have
 on a hard drive.  Why would the hard drive care if the system were
 running at 66, 100, 133 or 153 MHz?  Are any of the connectors on the
 cable connected to the FSB and if not, why would it be bothered by it?

 Thanks,

 Art
  >>
Hi,
  The reason for this is that the IDE controller is generally attached to the
PCI bus, and the PCI bus runs at a fraction of the Front Side Bus (typically
1/2 FSB speed at 66 to 100Mhz, 1/3 FSB from 100 to 133Mhz, and 1/4 above
that). So if your overclocked system was running at 83Mhz FSB speed, that
would put the PCI bus at 41.5Mhz, well above the 33Mhz default speed it runs
on a non-overclocked system.

--
HTH,
Peter Hogan
[log in to unmask]

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