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From
SubjectRe: Memory upgrade causes slowdown; why?
Date
Followup to:  <slrn56rmi0.rh4.mike@toaster.roan.co.uk>
By author: Mike Jagdis <mike@toaster.roan.co.uk>
In newsgroup: linux.dev.kernel
>
> Check your motherboard manual. It sounds like it is only caching the
> lower 16MB, either because of a setup option or because of a lack
> of cache memory.
>
> Incidentally when I get my new page allocation finished it will, as
> a side effect, help such systems since it tends to focus usage on the
> DMA-able memory which, on an ISA class machine, is the lower 16MB.
>

The way to use such a system is probably to assign the high RAM to a
RAMdisk and use it as a swap device...

-hpa
--
Not speaking for Transmeta in any shape, way, or form.

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