S100 address buss troubleshooting

[Dwight K. Elvey]

>From: "Dave Dunfield" <dave04a at dunfield.com>
>
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>
>If the above gets you nowhere, then it's just a matter of sitting down with
>the schematic and a scope and following the signal from that switch all the
>way through to the bus at some point you should see that the zero from the
>switch is not making it through a component or connector. I don't recall the
>details of the IMSAI panel, but you might have to trigger on the read strobe
>to catch the signal being clocked through the panel.
Hi
 Actually the address are a little different. The processor
actually generates the address. The front panel generates a
JMP instruction with the address to the CPU that then
generates the address to the bus. The front panel has a simple
sequencer to generate the JMP, AddrLow, AddrHigh sequence.
Dwight