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Subject:
From:
David Gillett <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Fri, 10 Jul 1998 09:52:27 -0800
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text/plain
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On  9 Jul 98 at 13:44, Robert Hale wrote:

> Does anyone know if the Intel BX chipset has the limitation of
> being able to only cache the first 64mb of RAM or will it cache
> upto 128mb RAM?

  In Pentium II (and Pentium Pro) systems, any L2 caching is done by
the CPU package, and not by the chipset.
  To date, most PIIs[*] include 512K of L2 cache, and the cache can
span either 1 GB or 4 GB.  4 GB is the full physical address space of
the CPU, and 1 GB is the most memory you can physically install on
high-end commercial motherboards.

[*]  Current versions of Celeron have NO L2 cache.  I haven't checked
out Xeon yet.

  The issue you're concerned about applies only to some Pentium
(Socket 7, so includes AMD and Cyrix) chipsets.

David G

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