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Keyboards
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Keyboards
There are two types of Hewlett-Packard keyboards
available:
• PS/2 Keyboard (PS/2 interface)
(All C Class Workstations)
• ITF Keyboard (HP-HIL interface)
(C100/110/C160/C180 only)
CAUTION: With the HIL interface, use only devices that
conform to the HP-HIL specification with Hewlett-
Packard computer systems. Devices that are not
HP-HIL compatible but have similar connectors
may appear to be compatible, but will damage your
system.
Keyboard Differences
Aside from the obvious difference in the appearance
of the ITF and PS/2 style keyboards due to the
arrangement of the keys, there is also a difference in
the keys and their output codes. Some keys on the ITF
keyboard may not exist on the other keyboard. These
keys generate codes that may not exist as output from
the other keyboard (or may be generated by a different
key). Codes that are generated when a key is pressed
are called keycodes.