Re: Wrong cache chips for AXPpci33 ?


Ken Hansen (khansen@njcc.com)
Mon, 11 Jan 1999 13:15:00 -0500


Jaap,

Just a few thoughts on this problem:

        How do you know you have the right chips? Are their part numbers
        listed in the Design Guide?

        Do both sets of sockets have the same number of pins?

        Can you tell by examining the board if the pins are wired the same?

        Can you try the chips and return them if they are not compatible?

Remember, these boards are just a bit picky about memory... If you have
found
a source for these chips, please let the maillist know - people have
been looking
for these for a while, but the price is usually very steep!

Hope this helps,

Ken
khansen@njcc.com

Jaap Hogenberg wrote:
>
> Hi there,
>
> I have an AXPpci33 MB with 11 sockets for the cache chips.
> Cache chips are said to be available for 0, 256 kb and 1 Mb of
> cache.
> The 256 kb cache chips are smaller than the 1 Mb chips. The board can
> take small and wider chips, both.
> (This is from the AXPpci33 design guide)
>
> Now, I have found the right chips (I think) for 1 Mb of cache, but
> these will only fit into the small cache sockets, which were ment to be
> used with the 256 Kb chips.
> (only, the 256 kb chips are shorter too)
>
> Now for the real question:
>
> Does anyone use small 1 Mb chips / does it work ?
>
> Or is there anyony out there who can tell me if the 2 rows of a cache
> socket have the same connection on the
> motherboard ?
>
> Jaap Hogenberg
>
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