MicroVAX help

From: Roger Ivie <IVIE_at_cc.usu.edu>
Date: Mon Sep 8 09:27:41 1997

Allison wrote:
> The uVAX-II
> offered 1meg of ram on card, FPU and a faster memory interface(PMI)
> along with denser 1mb, 2mb, and 4mb (and later 8/16mb) cards. This made
> a 5mb microvax-II possible in two cards instead of 7 using uVAX-I!

AFAIK the MicroVAX I can't do 5MB no matter how many cards you have. It's
a pure QBus machine; all memory lives on the QBus and there is no
scatter/gather map to allow it to get to more memory than the QBus can
address, which is 4MB.

Roger Ivie
Received on Mon Sep 08 1997 - 09:27:41 BST

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