This could be a rebadged IS board, the maker says EXTREL
On closer inspection the 2 Zilog chips:
28 pin
Zilog
Z843QBPS
Z80B CTC
8548
40 pin:
Zilog
Z847QPBS
Z80 DART
8609
also has two 24 pin eprom in a 29 pin socket
top:
IS MACS Qbus
750123-03 12
Rev A L MHZ
below:
IS MACS QBUS
750123-01
REV A H
is there any documentation on the ISI board
Cheers
Tom
Al Kossow wrote:
>
> So is this a motorola 68K Qbus board??
>
>
> --
>
> There were a few companies that made Qbus 68k systems, including
> Cadmus and Integrated Solutions, mostly running some version of Unix.
>
> The ISI board used a DART and CTC, and has a SUN style mmu.
>
>
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Received on Tue Jun 29 2004 - 17:37:04 BST