29 Jun
2004
29 Jun
'04
10:37 a.m.
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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