Subject: Re: 2nd Announcement: cheap fast Alpha PC164 boards available
To: Edwin Foo <efoo@crl.dec.com>
From: Calvin Vette <cvette@borders.com>
List: port-alpha
Date: 04/16/1999 12:48:28
It's not just 36-bit, it's FPM memory. I don't know what the difference is, but
I know it's not compatible. (I believe the SparcLX also uses FPM memory, and
I've tried 32-bit SIMMS in it with no luck.)
Edwin Foo wrote:
> Actually, I was wondering - is this requirement for 36-bit memory a hard and
> fast one? I admit I'm no Alpha expert, but I have tons of 32-bit SIMMs lying
> around that I'd rather use instead of going out and buying $600 worth of
> memory for a $200 motherboard/CPU. :-)
>
> -Edwin
>
> > * You'll need 4 or 8 pieces of 36-bit 72-pin SIMM memory.
> > All SIMMs must be the same. Performance will be better
> > with 8 SIMMs (probably a bit better than the 164LX boards
> > on code that doesn't fit in cache) because the machine will
> > run with a 256-bit memory bus. Appropriate memory is
> > available
> > from The Chip Merchant, among plenty of other places:
> > http://www.thechipmerchant.com/pricelist.html#SIMMs
> > Chip Merchant part numbers 10310 and 10350 will
> > almost certainly
> > work, the #10355 64MB parts will probably work but the boards
> > are reputedly somewhat picky about which 64MB SIMMs they'll
> > work with, so caveat emptor.
>
> -----
> Edwin Foo - Compaq Cambridge Research Laboratory
> <efoo@crl.dec.com> [O] (617) 551-7612 [F] (617) 551-7650