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2.2.3 Presence Test
During the initial program load, the DCP links, in sequence, to each of
the modules on the Reference Diskette and performs a presence test for the
device supported by each module.
following conditions must be met:
The module of diagnostic code for that device must be on the diskette.
Note:
Some devices have their own stand-alone diagnostic diskette.
The device must be installed or attached.
The device must return a 'ready' acknowledgment value to the DCP.
If these conditions are met, the DCP loads that module into memory, adds
the device name to the installed devices list, and continues with the next
module.
These steps are repeated until the DCP has performed a presence
test for each module on the diskette.
been performed, the DCP displays the installed devices list.
IBM HMR Diagnostics for Micro Channel
Presence Test
For a successful presence test, the
When all the presence tests have
¦ Copyright IBM Corp. 1990
2.2.3 - 1
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