IBM THINKPAD S05L-1270-01 - Manual (Page 147)

6. Go to the “Running the Diagnostics” on page 151 and
run the diagnostics.
7. If the advanced diagnostic device test does not find
an error, suspect a problem with the port replicator of
the system expansion bus.
8. Power off the computer and reconnect the port
replicator.
9. Power on the computer and run the following
advanced diagnostic tests:
Serial port test with the wrap plug installed on
the replicator
Parallel port test with the wrap plug installed on
the replicator
FDD-2 device test on the failing device with
scratch diskette
10. If diagnostic errors appear, replace the replicator or
diskette drive attachment unit.
If the problem remains after the replacement, replace
the system board.
11. If power problems appear only when the replicator is
used, replace the replicator.
Power Management Features
Three power management modes are provided by the
computer to reduce power consumption and prolong
battery power.
Standby Mode: In standby mode the following
occurs:
The LCD backlight turns off.
The hard disk motor stops.
Events that cause the computer to enter standby mode:
Standby is requested by the Fn key. (Fn + F3)
There has been activity under auto-standby in the
ThinkPad Features program.
The computer exits standby and resumes operation when
any key is pressed.
Suspend Mode: In suspend mode, the following
occurs, in addition to what occurs in standby mode:
The LCD is powered off.
The hard disk is powered off.
The CPU stops.
Events that cause the computer to enter suspend mode:
Suspend mode is requested by the Fn key (Fn + F4).
The LCD is closed.
The specified time has elapsed from the last
operation with the keyboard, mouse, hard disk drive,
parallel connector, or diskette drive; or the AC
Adapter is plugged in. The time is specified by
Suspend Timer in the ThinkPad Features program.
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