----- Original Message -----
From: allisonp <allisonp_at_world.std.com>
To: <classiccmp_at_classiccmp.org>
Sent: Saturday, April 08, 2000 10:05 PM
Subject: Re: no chars on uVAX console
Allison wrote:
<snip>
> >
> >Het boards were arranged as follows
> >
> slot 1 AB/CD >slot 1 ----------------M 7606------------------
> slot 2 AB/CD >slot 2 ----------------M 7609------------------
> slot 3 AB/CD >slot 3 ----------------M 7609------------------
> slot 4/5 AB/AB >slot 4 -----M7516-------- (empty)
> slot 7/6 AB/AB >slot 5 -----M7555-------- ------M7546------
> slot 8/9 AB/AB >slot 6 (empty) ---Dilog sq703a---
>
> This was the smaller BA23? if so then the slot next to the m7516 is the
> bus grant break
> and the slot 6 empty is a bus grant break. Notice my margin comments.
the
> odd ordering of
> slots 4-9 indicate direction of bus grant for Interrupts and DMA.
>
<snip>
>
> slot 1 AB/CD >slot 1 ----------------M 7606------------------
> slot 2 AB/CD >slot 2 ----------------M 7609------------------
> slot 3 AB/CD >slot 3 ----------------M 7609------------------
> slot 4/5 AB/AB >slot 4 -----M7516-------- ------m7546------
> slot 7/6 AB/AB >slot 5 -----M7555-------- ------sq703A------
> slot 8/9 AB/AB >slot 6 (empty) (empty)
>
> Allison
>
>
I Thought on the BA123-bus the first 4 quad slots had an AB/CD
configuration
but I'll try this one.
Thanx
Sipke
Received on Sat Apr 08 2000 - 17:03:41 BST