Lenovo ThinkPad 380ED ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 50

Note: The location of the test margin varies with the type of display. The test margin might be on the top, bottom, or one or both sides. If you do not see a test margin on the screen, replace the display. If there is a test margin on the screen, replace the system board. Power Management Features Three power management modes are provided by the computer to reduce power consumption and prolong battery power. Standby Mode: When 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 requested by the Fn key. (Fn+F3) No activity under auto-standby enabled by the ThinkPad Features program. Events that cause the computer to exit or resume standby mode: (Resume) Any key operation. Suspend Mode: When in suspend mode, the following, in addition to the three actions of standby mode, occur: The LCD is powered-off. The hard disk is powered-off. The CPU is stopped. Notes: 1. In the ThinkPad Features Program, the computer can be set to "Will not suspend even if LCD is closed." 2. When the computer is powered with ac power and is used with one of the communication PC cards, the computer enters standby mode; the PC card and application program remain active. 3. The computer cannot enter suspend mode while a communication link is running. 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. 38 IBM Mobile Systems HMM