IBM ThinkPad R30 - Page 49

Error
Code
Message Meanings Comment
Operating
system not found
Operating system
cannot be located
on either drive A:
or drive C:. Enter
Setup and see if
fixed disk and
drive A: are
properly identified.
Parity Check 1
nnnn
Parity error found
in the system bus.
BIOS attempts to
locate the address
and display it on
the screen. If it
cannot locate the
address, it
displays ????.
Parity is a method
for checking errors
in binary data. A
parity error
indicates that
some data has
been corrupted.
Parity Check 2
nnnn
Parity error found
in the I/O bus.
BIOS attempts to
locate the address
and display it on
the screen. If it
cannot locate the
address, it
displays ????.
Press F1 to
resume, F2 to
Setup, F3 for
previous
Displayed after
any recoverable
error message.
Press F1 to start
the boot process
or F2 to enter
Setup and change
the settings. Press
F3 to display the
previous screen
(usually an
initialization error
of an Option ROM,
i.e., an add-on
card). Write down
and follow the
information shown
on the screen.
Press F2 to
enter Setup
Optional message
displayed during
POST. Can be
turned off in Setup.
IBM
customized
″F2″ to ″F1″
PS/2 Mouse: PS/2 mouse
identified.
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