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The Device Name, .01 Field of the Device File, may be used for lookup.
Select DEVICE NAME: BBB.75
Devices are also cross-referenced by the flag which indicates whether
it is a sign-on system device. Entering 'SYS' will display all devices
with the flag set to 'yes'. This may be combined with the CPU and $I
as above to futher limit the lookup choices:
Select DEVICE NAME: SYS.BBB.75
If several names match the character string entered, a choice is presented.
These lookup methods are possible since the Device File contains a number
of cross-references: by name, $I, Volume Set(CPU), and Sign-on/System.
The device $I (port number) may also be used for lookup. The search will
find all devices on all volume sets/CPUs that use a port of this number.
Specifying the volume set/CPU will narrow the lookup search. Entering
the CPU name will display a choice of devices on that CPU. Entering the
CPU name and $I, separated by a decimal point, will shorten the list:
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