So what about those 4-Mb SIMMs?
Jeff Weber
cg-atla!weber at cg-atla.agfa.com
Tue Mar 6 00:25:36 AEST 1990
In article <5443 at brazos.Rice.edu> lindy!romeo at lindy.stanford.edu (Patrick Goebel) writes:
>X-Sun-Spots-Digest: Volume 9, Issue 69, message 2
>
>Judging by recent postings on this bboard, 4-Mb SIMMs are available and
>come relatively cheap (i.e. approx. $500/chip or $125/Mb). Does this mean
>I can simply replace the 8 X 1-Mb SIMMs on a SPARCstation 330 CPU board
>(for example) with 8 X 4-Mb ones?
You can replace the 1MB SIMMS on you CPU board with 4MB SIMMS, set the
jumper correctly and boot. This gives you 32MB on the CPU board.
*** THIS ONLY WORKS W/O THE EXPANSION BOARD INSTALLED! *****
Clearance should be OK because the CPU board is double wide anyway because
of the way the frame buffer goes on.
>Our Sun sales rep says that Sun's 4-Mb chips will be physically taller
>than the 1-Mb version and might therefore only fit on a memory expansion
>board and not on the CPU board. Is this true of all (reputable) 4-Mb
>SIMMs on the market?
All the normal big vendors of SIMMS are not in the market yet. We'll just
have to wait and see.
>In addition, our sales rep claims that Sun's 4-Mb SIMM upgrade will
>require a PROM swap as well. Can anyone verify this and elaborate if
>true?
In order to get the 32MB on the CPU board (w/4MBSIMMS) to like the
expansion memory board there is a follow on release of the boot ROM. It
should be out anytime now but I don't think its out now.
>I'd kill for answers to these questions, but I'd settled for a few
>responses. Many thanks in advance!
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