Setting the Switches on the
Adapter
Before replacing an adapter or installing a new adapter,
read this section to help you determine the correct switch
settings on the adapter.
If you are replacing an adapter, check the switch settings
on the adapter being removed. If the switches were not
set correctly, the adapter being removed would not have
worked correctly. If the switches were set correctly, set
the switches on the replacement adapter in the same way.
On the component side of the adapter are two switch
blocks (see below). These switches determine:
•
Where the computer will address the read-only memory
(ROM) of the adapter
•
What interrupt level the computer will use to address
the adapter
•
Whether this adapter is the primary (first) or alternate
(second) IBM Token-Ring Network PC Adapter in this
computer.
4-3
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