[rescue] SS2 memory?

Eric Webb ttlchaos at randomc.com
Wed Mar 6 20:52:17 CST 2002


On Wednesday 06 March 2002 09:40 pm, you wrote:
> >
> > Run! Run Screaming!  The 3 chip simms will only give you pain and
> > heartache...
>
> Why....?
>

Eewps... RTFFAQ.....  Well, it answers why, but doesn't explicitly say that 
SS2 can't take 'em:

17) My Sun doesn't like 3-chip SIMMs.

        From John O'Connor:

        3-chip SIMMs have two 4Mbit chips (organised as 1M * 4bits) plus
        one 1Mbit chip as opposed to the nine 1Mbit chips on the 9-chip
        SIMMS. The difference arises from the fact that the 4Mbit chips
        require more addresses to be read in the refresh cycles, so you
        get unreliable operation of 3-chip SIMMs in systems that don't
        provide enough refresh cycles.



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