BlackRed
Pin | Voltage | (V dc) |
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+ | +4.0 |
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| |
− | Ground | |
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ŸIf the voltage is+4less.0V thandc, replace the system board.
ŸIf the voltage is +4more.0 Vthandc,
the | computer, replace | the standby battery, and | ||
go | to | the | next step. |
|
6. Ensure that the AC Adapter is plugged into the | ||||
computer; | then | computer. | ||
7.Charging of the standby battery starts. A depleted battery needs approximately 30 minutes to be recharged to the operational+3.voltage5V dcof.
8.Unplug the AC Adapter.
9.Verify the standby battery function by removing and installing the battery pack during suspend mode.
Note: Removing and installing the battery pack during suspend mode should be done within one minute.
The resume operation must start. If the resume operation does not work, switching of power from the battery pack to standby battery will not be correct. Replace the system board.
Power Management Features
Two power management modes are provided by the computer to save power consumption and prolong battery power. For the details of the two modes, see the latest volume of theHardware Maintenance Manualfor ThinkPad
computers.
Standby Mode: When in standby mode, the following occurs:
Ÿ The LCD backlight turns off.
ŸThe hard disk motor stops.
ThinkPad 340x (IBM 2610)33