[SunRescue] ELC - questions

[James Lockwood]

On Mon, 6 Dec 1999, Kurt Mosiejczuk wrote:

> On Mon, 6 Dec 1999, P.A.Osborne wrote:
> 
> > 2.  Can I try bog standard 4MB 72 pin simms in the thing as those sockets
> >     look remarkably familiar.
> 
> If they are parity SIMMS, the answer is yes.  The ELC seems to use the same
> memory as the IPX (I guess this from looking at memoryx's lists).  Apparently,
> the ELC and IPX really only want 33-bits (1 parity bit), but everyone I've
> heard from says that normal PC parity SIMMs work fine too.  I'm less clear on
> if you can mix and match the two types....

Put the lowest bit count SIMM in slot 0.  Some Suns (ELC/IPX I believe)
can use either 33-bit or 36-bit SIMMs and will detect the proper number of
parity bits on startup.  The Classic and LX simply ignore the extra bits.

> So, if you have them, you can even throw a 16 meg SIMM in there...

4MB or 16MB parity SIMMs, FPM, 80ns or faster.

-James