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IBM ThinkPad T40 series Hardware Maintenance Manual

IBM ThinkPad T40 series
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To enter standby mode, press Fn+F4.
Note: If you are using the ACPI operating system, you can
change the action of Fn+F4.s
In certain circumstances, the computer goes into standby
mode automatically:
v If a suspend time has been set on the timer, and the
user does not do any operation with the keyboard, the
TrackPoint, the hard disk, the parallel connector, or the
diskette drive within that time.
v If the battery indicator blinks orange, indicating that the
battery power is low. (Alternatively, if Hibernate when
battery becomes low has been selected in the Power
Management Properties window, the computer goes
into hibernation mode.)
Note for the APM operating system:
Even if you do not set the low-battery alarm, the charge
indicator notifies you when the battery is low, and then the
computer enters the power-saving mode automatically.
This default low-battery behavior is independent of the
operating system; so if you have set the low-battery alarm,
the computer may not do what you specified. It chooses
either your setting or the default setting, whichever is
appropriate.
If you are using the ACPI operating system, only the
low-battery alarm is available.
To cause the computer to return from standby mode and
resume operation, do one of the following:
v Press the Fn key.
v Open the LCD cover.
v Turn on the power switch.
Also, in either of the following events, the computer
automatically returns from standby mode and resumes
operation:
v The ring indicator (RI) is signaled by a serial device or a
PC Card device.
v The time set on the resume timer elapses.
Note: The computer does not accept any input
immediately after it enters standby mode. Wait a
few seconds before taking any action to reenter
operation mode.
Related service information
General descriptions 33

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IBM ThinkPad T40 series Specifications

General IconGeneral
ProcessorIntel Pentium M (1.3 GHz - 1.7 GHz)
ChipsetIntel 855PM
Hard Drive InterfaceATA-100
Modem56K V.92
Release Year2003
RAM256 MB - 2 GB (DDR SDRAM)
Storage30 GB - 80 GB (HDD)
Display14.1"
GraphicsATI Mobility Radeon 7500 or 9000
Optical DriveDVD-ROM/CD-RW Combo
Operating SystemWindows XP Professional
Weight2.2 kg (4.9 lbs)
BatteryLi-Ion
WirelessIntel PRO/Wireless 2100
Ethernet10/100 Mbps
Ports2 x USB 2.0, VGA, RJ-11, RJ-45, Audio In/Out
Dimensions311 mm x 255 mm x 26.6 mm (12.24" x 10.04" x 1.05")

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