[Sunhelp] Newbie Tips

James Lockwood lockwood at ISI.EDU
Sat Jul 10 01:51:33 CDT 1999


On Fri, 9 Jul 1999, Adrian Petrescu wrote:

> Is it true that the memory modules for SS-1/2 must be "with parity" and the 
> access time -le 80ns ?

Both require parity, the SS 1/1+/IPC requires 100ns or faster.  The SS2
requires 80ns or faster.

> If this is true, then the memory chip capsule is less important if the 
> functionality is the same.

Some 3-chip SIMMs are internally organized in such a way that they are not
properly refreshed by the Sun DRAM controller.  This is the problem.

-James






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