Re: > 64 MB of RAM

Kevin M Bealer (kmb203@psu.edu)
Tue, 7 May 1996 22:47:02 -0400 (EDT)


On Sat, 4 May 1996, Kevin Buettner wrote:

> Memory prices seem to be falling and I am contemplating buying more
> memory.
>
> In Documentation/Configure.help, it says the following:
>
> : Limit memory to low 16MB
> : CONFIG_MAX_16M
(clip)
> : sunsite.unc.edu:/pub/Linux/docs/HOWTO. You also need at least 512kB
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> : of RAM cache if you have more than 64MB of RAM. Some other things
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> : to try when experiencing seemingly random, "weird" problems: 1)
(clip)
>
> Is the line about needing a 512kB cache true?
>
> In theory, my motherboard can hold up to 128MB of memory, yet I am
> fairly certain that I am limited to a 256kB cache. (I have a Plato
> motherboard.)
>
> Kevin

I have a motherboard which has 8MB with an 8KB internal CPU cache, with a
486(DX)33... right now I have 16.59 Bogomips, and I have another 8MB SIMM
ordered... How much of a speed hit from undercaching should I expect? What
is a good "main_memory/cache" ratio?

__kmb203@psu.edu_________________________Debian__1.1___Linux__1.3.97___
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