Subject: Re: 5 PCI slot Motherboard search
To: Curt Sampson <cjs@cynic.net>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: port-i386
Date: 02/21/1999 16:19:07
On Wed, Feb 17, 1999 at 12:33:43PM -0800, Curt Sampson wrote:
> On Tue, 16 Feb 1999, Paul Newhouse wrote:
> 
> > I'm a bit disappointed 
> > having heard good things about ASUS in the past.
> 
> Well, if it's any comfort, I've got a P5A with sound and a K6-II
> 350 that's serving as my main development box at the moment, and
> I'm extremely happy with it. It's really fast at building stuff,
> although that's as much due to the pair of striped U2W Barracudas
> (on a 2940) as anything else. I am a little annoyed that it doesn't
> do ECC at 100 MHz, but I'm still running it at that speed anyway,
> because I want the L2 cache runnning as fast as possible.
> 
> I looked upon this as being cheap enough that I can just retire
> the motherboard and CPU in six months to a year when things settle
> down a bit more and the next generation of processors comes out.
> (This is why I bought ECC PC100 RAM, even though the ECC doesn't
> do me any good right now.)

So, aparrently, there's another issue with the P5A, and AFAICT any
board using the ALI chipset: only the first 128MB of RAM is cacheable.

It seems that the ALI Alladdin V chipset has the cache tag RAM built
onto the chipset (?!), and it's only got enough tag bits for 128MB.

Weird, huh?

Thor