3-2
Operating Instructions
Indicator Light
Description
Power/Battery-low
Lights when the system is on and there is power to the system.
Flashes when the battery power is low. Connect a powered AC adapter to the
computer as soon as possible.
Standby Mode
Lights when the computer is in Standby mode.
Flashes when the computer is in 5V Suspend mode.
The computer enters Standby mode if the Standby hot key (Fn+F4) is pressed
or the STANDBY TIMEOUT parameter in Setup is enabled and expires.
The computer enters 5V Suspend mode when you press the 5V Suspend hot
key (Fn+F3) or the 5 VOLT SUSPEND TIMEOUT parameter in Setup is
enabled and expires, or the display is closed.
Disk Media
Lights when the computer writes to or reads from the hard disk drive, or reads
from the CD-ROM drive.
Battery Charging
Lights when a powered AC adapter connected to the computer is charging the
battery.
Flashes when there is a problem with the battery or the battery is not
recognized by the smart charger.
Turns off when there is no battery or the battery is fully charged.
Caps Lock
Lights when the caps lock function is toggled ON using the Caps Lock key.
Num Lock
Lights when the embedded numeric keypad is toggled ON using the Num
Lock hot key (Fn+F7)
3.2.2.1 Hot Key Sequences
Table 3-2 contains a summary of hot key sequences useful when performing maintenance
operations.
Table 3-2
Summary of Notebook Hot Key Sequences
Function
Key Sequence
Increase LCD screen brightness
Fn-Up Arrow
Decrease LCD screen brightness
Fn-Down Arrow
Lighten LCD screen contrast
Fn-Right Arrow
Darken the LCD screen contrast
Fn-Left Arrow
Alternate between display modes (LCD, Ext.l CRT or both)
Fn-F12 or Ctrl-Alt-F12
Enter 0V Suspend Mode
Fn-F2 or Ctrl-Alt-F2
Exit 0V Suspend Mode
Press Power Button
Enter 5V Suspend Mode
Fn-F3 or Ctrl-Alt-F3
Exit 5V Suspend Mode
Press any key
Enter Standby Mode
Fn-F4
Resume from Standby Mode
Press any key
Toggle speaker output on/off
Fn-End or Ctrl-Alt-S
Enter BIOS Setup (during POST)
F2
Numeric Lock
Fn-F7
Turn off the LCD backlight
Fn-F11
Turn on the LCD backlight
Press any key
Stop a command or application
Ctrl-Pause
Resume a command or application
Press any key
Send the contents of the screen to the printer
Shift-PrtSc
Summary of Contents for Extensa 670
Page 46: ...Service Guide 4 7 Figure 4 2 M1521 Pin Assignments ...
Page 51: ...4 12 Theory of Operation Figure 4 6 M6377 Chip Pinouts ...
Page 56: ...Service Guide 4 17 Figure 4 10 TI1130 Chip PCI to CardBus 32 bit Pinouts ...
Page 102: ...A 10 Maintenance Data Figure A 7 Main Board Logic Diagrams Sheet 1 of 36 ...
Page 103: ...Service Guide A 11 Figure A 8 Main Board Logic Diagrams Sheet 2 of 36 ...
Page 104: ...A 12 Maintenance Data Figure A 9 Main Board Logic Diagrams Sheet 3 of 36 ...
Page 105: ...Service Guide A 13 Figure A 10 Main Board Logic Diagrams Sheet 4 of 36 ...
Page 106: ...A 14 Maintenance Data Figure A 11 Main Board Logic Diagrams Sheet 5 of 36 ...
Page 107: ...Service Guide A 15 Figure A 12 Main Board Logic Diagrams Sheet 6 of 36 ...
Page 108: ...A 16 Maintenance Data Figure A 13 Main Board Logic Diagrams Sheet 7 of 36 ...
Page 109: ...Service Guide A 17 Figure A 14 Main Board Logic Diagrams Sheet 8 of 36 ...
Page 110: ...A 18 Maintenance Data Figure A 15 Main Board Logic Diagrams Sheet 9 of 36 ...
Page 111: ...Service Guide A 19 Figure A 16 Main Board Logic Diagrams Sheet 10 of 36 ...
Page 112: ...A 20 Maintenance Data Figure A 17 Main Board Logic Diagrams Sheet 11 of 36 ...
Page 113: ...Service Guide A 21 Figure A 18 Main Board Logic Diagrams Sheet 12 of 36 ...
Page 114: ...A 22 Maintenance Data Figure A 19 Main Board Logic Diagrams Sheet 13 of 36 ...
Page 115: ...Service Guide A 23 Figure A 20 Main Board Logic Diagrams Sheet 14 of 36 ...
Page 116: ...A 24 Maintenance Data Figure A 21 Main Board Logic Diagrams Sheet 15 of 36 ...
Page 117: ...Service Guide A 25 Figure A 22 Main Board Logic Diagrams Sheet 16 of 36 ...
Page 118: ...A 26 Maintenance Data Figure A 23 Main Board Logic Diagrams Sheet 17 of 36 ...
Page 119: ...Service Guide A 27 Figure A 24 Main Board Logic Diagrams Sheet 18 of 36 ...
Page 120: ...A 28 Maintenance Data Figure A 25 Main Board Logic Diagrams Sheet 19 of 36 ...
Page 121: ...Service Guide A 29 Figure A 26 Main Board Logic Diagrams Sheet 20 of 36 ...
Page 122: ...A 30 Maintenance Data Figure A 27 Main Board Logic Diagrams Sheet 21 of 36 ...
Page 123: ...Service Guide A 31 Figure A 28 Main Board Logic Diagrams Sheet 22 of 36 ...
Page 124: ...A 32 Maintenance Data Figure A 29 Main Board Logic Diagrams Sheet 23 of 36 ...
Page 125: ...Service Guide A 33 Figure A 30 Main Board Logic Diagrams Sheet 24 of 36 ...
Page 126: ...A 34 Maintenance Data Figure A 31 Main Board Logic Diagrams Sheet 25 of 36 ...
Page 127: ...Service Guide A 35 Figure A 32 Main Board Logic Diagrams Sheet 26 of 36 ...
Page 128: ...A 36 Maintenance Data Figure A 33 Main Board Logic Diagrams Sheet 27 of 36 ...
Page 129: ...Service Guide A 37 Figure A 34 Main Board Logic Diagrams Sheet 28 of 36 ...
Page 130: ...A 38 Maintenance Data Figure A 35 Main Board Logic Diagrams Sheet 29 of 36 ...
Page 131: ...Service Guide A 39 Figure A 36 Main Board Logic Diagrams Sheet 30 of 36 ...
Page 132: ...A 40 Maintenance Data Figure A 37 Main Board Logic Diagrams Sheet 31 of 36 ...
Page 133: ...Service Guide A 41 Figure A 38 Main Board Logic Diagrams Sheet 32 of 36 ...
Page 134: ...A 42 Maintenance Data Figure A 39 Main Board Logic Diagrams Sheet 33 of 36 ...
Page 135: ...Service Guide A 43 Figure A 40 Main Board Logic Diagrams Sheet 34 of 36 ...
Page 136: ...A 44 Maintenance Data Figure A 41 Main Board Logic Diagrams Sheet 35 of 36 ...
Page 137: ...Service Guide A 45 Figure A 42 Main Board Logic Diagrams Sheet 36 of 36 ...
