IBM ThinkPad i Series 1500 User Manual download pdf (Page 35)

14. Select None.

15. Save the changes, and exit the BIOS Utility menu.

16. Power off the computer.

17. Disconnect the AC Adapter.

18. Remove the keyboard.

19. Change DIP switch position (Pin 6) to "Check Pass-

word Enabled".

20. Put back the keyboard.

Power management features

Two power management modes are available in the com-

puter system to reduce power consumption and to prolong

battery life.

Standby mode: When in standby mode, the fol-

lowing occurs:

 The LCD backlight turns off.

 The hard disk motor either spins down or stops (con-

trolled by OS).

 CPU enters stop-grant mode.

Events that cause the computer to enter standby mode:

Note: These events depend on the Power buttons set-

tings (options set to standby mode) in the

"Advanced" page of the "Power Management Prop-

erties" screen.

 Standby requested by the Sleep button (Fn+F4)

 Standby requested by the power button

 Standby requested by closing the lid.

Events that cause the computer to exit standby mode:

 RTC alarm

 Power-on switch is operated

 Any key or Easy Launch button operation

 The LCD is opened (if the system entered standby

mode from closing the lid).

Note: This is true if When I close the lid of my

portable computer: is set to Standby in the

"Advanced" page of the "Power Management

Properties" screen

 Plug-in or plug-out of USB devices

 A serial or PC Card device signals the modem ring

indicator

Note: The modem ring wakeup function is effective

only on embedded PC Card modem devices.

 The battery power is at a critical level.

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IBM ThinkPad i Series 1500 User Manual Page 35

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