Re: >64M RAM cache requirements?

Rob Riggs (
Mon, 19 Aug 1996 13:21:43 -0600 (MDT)

On 20-Aug-96 David Luyer wrote:
>>On 19 Aug 1996, Shinanyaku wrote:
>>> Alan Brown was heard saying ....
>>> >
>>> > A quick question for the gurus:
>>> >
>>> > Does cache still need to be adjusted above 256kb when RAM is increased
>>> > above 64Mb?
>>> I've been told yes, it does. I also have first hand (well, ok, second
>>> hand) experience with someone who went from 32M to 64M w/ a 256K
>>> cache. He said that on /some/ operations, it was slower, while
>>> manipulating huge graphics files (>40M), it was faster.
>>> He went ahead and installed another 256K cache and it made all the
>>> difference. Now he has a nice improvement everywhere.
>It works fine and fast with 128M on a PPro 200. I have heard that this
>was a motherboard restriction with 486s and early Pentiums.

It came as quite a shock to me, but according to Intel's own
documentation the Triton chipset cannot cache more than 64MB
no matter how much cache RAM you have installed.