Indicator Meaning
1 Ultrabay
Slim status
Green:
An Ultrabay Slim device is installed and in
use.
Blinking green:
An Ultrabay Slim device is in the process of
being detached.
Turn off:
An Ultrabay Slim device is ready to be
attached or detached.
Note: If you are using Windows 2000, the
Ultrabay Slim status indicator does not blink
while an Ultrabay Slim device is being
detached. Instead, a message box pops up
when the process is completed; then the
indicator turns off.
2 Standby
status
Green:
The computer is in standby mode.
Blinking green:
The computer is entering standby mode or
hibernation mode, or is resuming normal
operation.
3 Battery
status
Green:
The battery is in use and has enough
power. The ac adapter has charged the
battery completely.
Blinking green:
The battery is being charged, but still has
enough power to operate. (At regular
intervals, the indicator light turns off briefly.)
Orange:
The battery is being charged, but the battery
power is still low.
Blinking orange:
The battery needs to be charged. When the
indicator starts blinking orange, the
computer beeps three times.
4 Power on
Green:
The computer is on and ready to use. This
indicator stays lit whenever the computer is
on and is not in standby mode.
5 Drive in
use
Green:
Data is being read from or written to the
hard disk drive, the diskette drive, or the
drive in the Ultrabay Slim device. When this
indicator is on, do not put the computer into
standby mode or turn off the computer.
Note: Do not move the system while the green
drive-in-use light is on. Sudden physical shock
could cause drive errors.
(continued)
Product overview
ThinkPad T40, T40p, T41 Series 49
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