[pups] What is a 21-21858 chip?

Johnny Billquist bqt at update.uu.se
Sat Feb 17 09:14:22 AEST 2001


On Fri, 16 Feb 2001 jkunz at unixag-kl.fh-kl.de wrote:

> On 16 Feb, robin.birch at postoffice.co.uk wrote:
> 
> > FP11 floating point processor (I think)
> I thought the FPU is part of the J11 chip? Or is this extra chip just
> faster?

It's faster. There is FP11 microcode in the J11, but it's really slow from
what I gathered. The separate FP11 could be regarded more as an
accelerator.

	Johnny

Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt at update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol


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