Re: tlug: Intel Pentium-II

[Tim Meggs <tim@example.com>]

From: Totoro <riley@example.com>
Subject: Re: tlug: Intel Pentium-II
Date: Tue, 17 Mar 1998 16:58:36 +0900 (JST)

> I poked around at Cyberian this afternoon. They mention that the Intel
> P2/MMX has a bus speed of 66MHz. As my older P5's are the same, I guess
> Andy hasn't figured out how to really make the machine any faster, so
> they just make higher clocks and try to wow everyone with nothing.

Sounds normal to me, most PCs (Macs included) that I know of run at btwn 
50-66MHz these days.  I would consider 75MHz to be fast.   Unreleased 
designs tend to be in the eighties MHz arena.

> Cyrix, OTOH, has what Cyberian lists as 75/188MHz bus speed. Looks like
> the secondary clocking that Apple used to do. Don't know how well it
> actually speeds things up, though.

I think they (Apple) still do.    The new G3 PowerMacs have a 66MHz system
bus, combined with 233 or 266MHz proc and 2:1 (117, or 133MHz respectively) 
64 bit back-side cache.   In addition, some vendors are selling 300Mhz proc 
cards with 1:1 backside cache (ie 300MHz).

WRT speed-up it depends on what you are doing.   If you work is disk intensive
then would imagine the you would get more speed-up from a fast and wide scsi 
adaptor than a back-side cache.   But, say applying PhotoShop filters, the
reverse might be true.

tim :)
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