Re: 500mhz alpha

jestabro@amt.tay1.dec.com
Thu, 05 Dec 1996 10:57:14 -0500

>>> Eric Sven Ristad said:
> The two 500mhz Alpha systems that I've seen (Enorex and Quant-X)
> both use the Digital PC164 motherboard and are limited to 1mb cache
> and 512mb RAM. Are these limitations inherent to the PC164
> motherboard?

The PC164 can be jumpered for 1 or 2 Mb of L3 cache; the cache chips are
surface mount, so it's not something you can change easily... :-)

> Does anyone know of any 500mhz alpha systems with larger
> cache (eg., 4mb like the Digital systems) and a higher RAM limit?

There's a new machine, internal name MIATA, that was shown at COMDEX;
it can have 2 or 4 Mb of synchronous SRAM L3 cache. Also, it will be
able to handle upto 1.5 Gb of synchronous DRAM (SDRAM?) memory when
the larger parts become available (for now, 384Mb is tops). IIRC, this
is in the form of DIMMs, and there are 4 DIMM slots.

BTW, with a "cooler" installed, they had one running at 767MHz, but I wasn't
given the chance to determine the BogoMIPS... :-) :-) :-)

> Has anyone seen any SMP machines with more than one 500mhz 21164 chip?

At COMDEX, Aspen Systems (aspsys.com) was showing (not running) a dual
500MHz, small, server-style box, 4 cache SIMM slots per CPU (upto 16Mb!!)

--Jay++

-------------------------------------------------------------------------------
American Non Sequitur Society: we don't make sense, but we do like pizza...

Jay A Estabrook Alpha Migration Tools - LINUX Project
Digital Equipment Corp. (508) 952-4202 or (DTN) 227-4202
151 Taylor Street - TAY1-2 enet: jestabro@amt.tay1.dec.com
Littleton, MA 01460-1407 decnet: tallis::jestabro
-------------------------------------------------------------------------------

--
To unsubscribe: send e-mail to axp-list-request@redhat.com with
'unsubscribe' as the subject.  Do not send it to axp-list@redhat.com



Feedback | Store | News | Support | Product Errata | About Us | Linux Info | Search | JumpWords
No Frames | Show Frames

Copyright © 1995-1997 Red Hat Software. Legal notices