Lenovo 4157 - ThinkStation S20 - 2 GB RAM, Hardware Maintenance Manual

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9. Reconnect the power cords for the computer and monitor to electrical outlets.
10. Insert the POST/BIOS update (flash) diskette into drive A, and turn on the computer and the monitor.
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 diskette from the diskette drive.
12. Repeat steps 2 through 5 on page 260.
13. Replace the Clear CMOS/Recovery jumper to its original position.
14. Reinstall the adapter cards (some models) if removed.
15. Close the computer cover and reconnect any cables that were disconnected.
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.
• Serial Port A Ring Detect : With this feature set to Enabled and an external modem connected to serial
port (COM1), the computer will turn on automatically when a ring is detected on the modem.
• PCI Modem Ring Detect : With this feature set to Enabled , the computer will turn on automatically
when a ring is detected on the internal modem.
• PCI Wake Up: This feature allows PCI cards that support this capability to wake the system.
• Wake Up on Alarm : 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 management software, you can use the Wake on LAN
feature. When you set Wake on LAN to
Enabled , the computer will turn on when it receives a specific
signal from another computer on the local area network (LAN).
Chapter 13
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Additional Service Information
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