Welcome and VME

From: Dwight Elvey <elvey_at_hal.com>
Date: Wed Nov 15 17:20:51 2000

ard_at_p850ug1.demon.co.uk (Tony Duell) wrote:
>
> One oddity is the ICL/3 Rivers PEEQ. Although it was often claimed to be
> a 16 bit machine (the data bus to memory was 16 bits wide, for example),
> the ALU was 20 bits wide _because it was used to calculate addresses_
> (this machine had a 20 bit address bus). For that reason, the (rare) PERQ
> 2T4, with a 24 bit address bus, has a 24 bit ALU (but still a 16 bit
> databus).

Hi
 As example, my Nicolet has a 20 bit ALU/data bus and a 16 bit
address. I just wish I had the full 64K by 20 core in it :)
As you can see, the numbers can be all over the place.
Dwight
Received on Wed Nov 15 2000 - 17:20:51 GMT