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Lenovo ThinkCentre A58 User Manual - Page 285

Power management, Automatic configuration and power interface (ACPI) BIOS, Automatic Power-On features

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2. Remove or open the computer cover. See "Removing the computer cover" on page 86 or "Opening the computer cover" on page 126. 3. Depending on your machine type, you might need to lay the computer on its side for easier access to the system board or you might need to pivot the optical drive bay assembly upward and or remove the hard disk drive to access the system board, see "Accessing the system board components and drives" on page 127. 4. Locate the Clear CMOS/Recovery jumper on the system board. See "Locating parts on the system board" on page 89 or "Locating parts on the system board" on page 129. 5. Remove any cables that impede access to the Clear CMOS/Recovery jumper. 6. Move the jumper from the standard position (pin 1 and pin 2) to pin 2 and pin 3. 7. Reconnect any cables that were disconnected. 8. Reinstall or close the computer cover and reconnect the power cords for the computer and monitor to electrical outlets. See "Completing the FRU replacement" on page 120 or "Completing the FRU replacement" on page 155. 9. Turn on the computer and the monitor, and then insert the POST/BIOS update (flash update) disc into the optical drive. 10. Turn the computer off and back on again. 11. The recovery session will take two to three minutes. During this time you will hear a series of beeps. After the update session is completed, there will be no video, the series of beeps will end, and the system will automatically turn off. Remove the disc from the optical drive before the system completely turns off. 12. Repeat steps 2 through 5. 13. Move the jumper back to the standard position (pin 1 and pin 2). 14. Reconnect any cables that were disconnected. 15. Reinstall or close the computer cover and reconnect the power cords for the computer and monitor to electrical outlets. See "Completing the FRU replacement" on page 120 or "Completing the FRU replacement" on page 155. 16. Turn on the computer to restart the operating system. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored. Not all operating systems support ACPI BIOS mode. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically. v RTC resume: You can specify a date and time at which the computer will be turned on automatically. This can be either a single event or a daily event. v Wake on LAN: If the computer has a properly configured token-ring or Ethernet LAN adapter card that is Wake on LAN-enabled and there is remote network Chapter 11. Additional service information 279

Section	Page
Contents	5
Chapter 1. About this manual	7
Important safety information	7
Important information about replacing the RoHS compliant FRUs	8
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	13
Safety notices (multi-lingual translations)	13
Chapter 3. General information	45
Lenovo ThinkVantage Tools	45
Lenovo Care	45
Access Help	45
Additional information resources	46
Specifications	47
For machine types: 7515, 7523, 7569, and 7611.	47
For machine types: 7522, 7560, 7610, and 7705.	47
For all machine types	47
Chapter 4. General checkout	49
Problem determination tips	49
Chapter 5. Diagnostics	51
Lenovo ThinkVantage Toolbox	51
Lenovo System Toolbox	51
PC-Doctor for Rescue and Recovery	52
PC-Doctor for DOS	52
Creating a diagnostic disc	52
Running the diagnostic program from the diagnostic disc	53
Navigating through the diagnostics programs	53
Running tests	53
Test results	54
Quick and Full erase - hard drive	54
Viewing the test log	55
Chapter 6. Using the Setup Utility program	57
Starting the Setup Utility program	57
Viewing and changing settings	57
Using passwords	57
Password considerations	58
Set Power-On Password	58
Set Administrator Password	58
Setting, changing, or deleting a password	58
Enabling or disabling a device	59
Selecting a startup device	59
Selecting a temporary startup device	59
Viewing or changing the startup device sequence	60
Exiting the Setup Utility program	60
Chapter 7. Symptom-to-FRU index	61
Hard disk drive boot error	61
Power supply problems	61
Diagnostic error codes	62
Beep symptoms	83
POST error codes	84
Miscellaneous error messages	86
Undetermined problems	87
Chapter 8. Replacing FRUs (Machine types: 7515, 7523, 7569, and 7611.)	89
Locating connectors on the front of your computer	90
Locating connectors on the rear of your computer	91
Removing the computer cover	92
Locating components	94
Locating parts on the system board	95
Removing and reinstalling the front bezel	95
Installing or replacing a memory module	96
Installing or replacing a PCI card	98
Replacing the battery	101
Replacing the power supply assembly	102
Replacing the heat sink and fan assembly	104
Replacing the microprocessor	106
Replacing the system board	109
Replacing the primary hard disk drive	111
Replacing the secondary hard disk drive	113
Replacing the optical drive	116
Replacing the diskette drive or card reader	118
Replacing the front fan assembly	119
Replacing the rear fan assembly	121
Replacing the internal speaker	123
Replacing the front audio and USB assembly	125
Completing the FRU replacement	126
Chapter 9. Replacing FRUs (Machine types: 7522, 7560, 7610, and 7705.)	129
Locating connectors on the front of your computer	130
Locating connectors on the rear of your computer	131
Opening the computer cover	132
Accessing the system board components and drives	133
Locating components	134
Locating parts on the system board	135
Installing or replacing a memory module	136
Installing or replacing an adapter card	138
Replacing the battery	140
Replacing the hard disk drive	142
Replacing the optical drive	143
Replacing the power supply assembly	146
Replacing the heat sink and fan assembly	148
Replacing the microprocessor	150
Replacing the system board	153
Replacing the card reader	155
Replacing the front audio and USB assembly	156
Replacing the internal speaker	157
Completing the FRU replacement	161
Chapter 10. FRU lists	163
Machine type 7515	163
Machine type 7522	181
Machine type 7523	199
Machine type 7560	212
Machine type 7569	226
Machine type 7610	239
Machine type 7611	253
Machine type 7705	268
Chapter 11. Additional service information	283
Security features	283
Hardware controlled Passwords	283
Operating system password	283
Vital product data	283
BIOS levels	283
Updating (flashing) BIOS from a disc	284
Updating (flashing) BIOS from your operating system	284
Recovering from a POST/BIOS update failure	284
Power management	285
Automatic configuration and power interface (ACPI) BIOS	285
Automatic Power-On features	285
Appendix. Notices	287
Television output notice	288
Trademarks	288
Index	289
A	289
B	289
C	289
D	289
E	289
F	289
G	289
H	289
I	289
L	289
M	289
O	289
P	289
R	290
S	290
T	290
U	290

Match case Limit results 1 per page

Remove or open the computer cover. See “Removing the computer cover” on

page 86 or “Opening the computer cover” on page 126.

Depending on your machine type, you might need to lay the computer on its

side for easier access to the system board or you might need to pivot the

optical drive bay assembly upward and or remove the hard disk drive to

access the system board, see “Accessing the system board components and

drives” on page 127.

Locate the Clear CMOS/Recovery jumper on the system board. See “Locating

parts on the system board” on page 89 or “Locating parts on the system

board” on page 129.

Remove any cables that impede access to the Clear CMOS/Recovery jumper.

Move the jumper from the standard position (pin 1 and pin 2) to pin 2 and

pin 3.

Reconnect any cables that were disconnected.

Reinstall or close the computer cover and reconnect the power cords for the

computer and monitor to electrical outlets. See “Completing the FRU

replacement” on page 120 or “Completing the FRU replacement” on page 155.

Turn on the computer and the monitor, and then insert the POST/BIOS

update (flash update) disc into the optical drive.

10.

Turn the computer off and back on again.

11.

The recovery session will take two to three minutes. During this time you will

hear a series of beeps. After the update session is completed, there will be no

video, the series of beeps will end, and the system will automatically turn off.

Remove the disc from the optical drive before the system completely turns off.

12.

Repeat steps 2 through 5.

13.

Move the jumper back to the standard position (pin 1 and pin 2).

14.

Reconnect any cables that were disconnected.

15.

Reinstall or close the computer cover and reconnect the power cords for the

computer and monitor to electrical outlets. See “Completing the FRU

replacement” on page 120 or “Completing the FRU replacement” on page 155.

16.

Turn on the computer to restart the operating system.

Power management

Power management reduces the power consumption of certain components of the

computer such as the system power supply, processor, hard disk drives, and some

monitors.

Automatic configuration and power interface (ACPI) BIOS

Being an ACPI BIOS system, the operating system is allowed to control the power

management features of the computer and the setting for Advanced Power

Management (APM) BIOS mode is ignored. Not all operating systems support

ACPI BIOS mode.

Automatic Power-On features

The Automatic Power-On features within the Power Management menu allow you

to enable and disable features that turn on the computer automatically.

RTC resume

: You can specify a date and time at which the computer will be

turned on automatically. This can be either a single event or a daily event.

Wake on LAN

: If the computer has a properly configured token-ring or Ethernet

LAN adapter card that is Wake on LAN-enabled and there is remote network

Chapter 11. Additional service information

279