26 Mar
2014
26 Mar
'14
7:17 a.m.
> Slot 1 KA630-A CPU M7606AF
> Slot 2 8M RAM M7609-AM
> Slot 3 8M RAM M7609-AP
> Slot 4 CMD SCSI MSCP encapsulating (top half) empty bottom
> Slot 5 M7516-YM (ethernet, top) M7546 for TK-50 (bottom)
> Slot 6 VCB02
> Slot 7 VCB02 Memory
> Slot 8 VCB02 Memory
What chassis? BA23? BA123? Something else?
In particular - and this is based on fuzzy memory; I'm sure one of the
people who really knows this stuff will correct me if I'm wrong -
having devices (like Ethernet) that do interrupts after an empty half
won't work unless it's a C/D slot, and I think some but not all of the
possible chasses (chassises?) have C/D on slot 4.
I'm not sure whether that's responsible for what you're seeing; I'm not
sure whether the VCB02 uses interrupts. But it seems possible
(keyboard input and vertical retraces strike me as the most plausible
possible reasons for interrupts).
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