On Mon, 22 May 2000, Chris Tribo wrote:

> On Mon, 22 May 2000, Toru Nishimura wrote:
> 
> > >>> If you want a 52xx based system, the cheapest thing out there is
> > >>> probably the WebTV boxes. . .  the Echostar/WebTV dishplayer has
> > >>> a pretty nice subsidy attached to it.
> > >> 
> > >> Eeeek!?  It's interesting.  I thought it has QED 4650.  How about Vr4300
> > >> or (less attractively) Vr5432?
> > >
> > > Nope, it's a 167 Mhz QED 5230.  Lots of LSI ASICs, so it'd be a fair
> > > amount of work to figure it out though. . . 
> > 
> > Let's conquer the peak.
> > 
> > Tohru Nishimura
> 
> 	Quite interesting :) Just out of curiosity, how much
> (additional) work would it be [assuming you could get the 1xx/xx pipe
> dream to work] to fabricate a daughtercard for the 2x0's and Simon's
> rackmount boxen. I'm guessing that the 2x0 daughtercard would be
> significantly more complicated and probably not possible to do in 6-8
> layers. I imagine there are probably also some rather complicated
> electromagnetic fields to take into account with the card design, even
> without it being about 4 times faster clock speed :-) 

	Probably not that bad, nothing outside the CPU chip itself runs at
CPU clock speed, plus the small size of the daughter card saves you from
any serious transmission line effects at the bus speeds contemplated (33
or 66 MHz)

> 	BTW, as long as I'm prodding, anyone up for designing a Multi-CPU
> upgrade :) It's about time MIPS gave Alpha some competition LOL.
> 
> 
> 	Chris
> 
> 

Peter Wallace