Supermicro C2SBC-Q User Manual download pdf (Page 16)

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C2SBC-Q User’s Manual

1-3 Recovery from AC Power Loss

BIOS provides a setting for you to determine how the system will respond when

AC power is lost and then restored to the system. You can choose for the system

to remain powered off (in which case you must hit the power switch to turn it back

on) or for it to automatically return to a power on state. See the Power Lost Control

setting in the BIOS chapter of this manual to change this setting. The default set-

ting is Last State.

1-4 PC Health Monitoring

This section describes the PC health monitoring features of the C2SBC-Q. The

motherboard has an onboard System Hardware Monitor chip that supports PC

health monitoring.

The onboard voltage monitor will scan the Onboard Voltage Monitors for the CPU

Core, +1.8V, +3.3V, +5V standby, +5V, Vbat and ±12V continuously. Once a voltage

becomes unstable, it will give a warning or send an error message to the screen.

Users can adjust the voltage thresholds to dene the sensitivity of the voltage moni-

tor by using SuperO Doctor III.

1-5 ACPI Features

ACPI stands for Advanced Conguration and Power Interface. The ACPI specica-

tion denes a exible and abstract hardware interface that provides a standard

to integrate power management features throughout a PC system, including its

hardware, operating system and application software. This enables the system to

automatically turn on and off peripherals such as CD-ROMs, network cards, hard

disk drives and printers. This also includes consumer devices connected to the PC

such as VCRs, TVs, telephones and stereos.

In addition to enabling operating system-directed power management, ACPI pro-

vides a generic system event mechanism for Plug and Play and an operating- sys-

tem-independent interface for conguration control. ACPI leverages the Plug and

Play BIOS data structures while providing a processor architecture-independent

implementation that is compatible with Windows 2000, Windows XP, Windows 2003,

Windows 2003 Servers.

Enhanced Power Management

The onboard ICH9DO chip provides advanced power management functions that

will greatly improve the performance of various low-power (suspend) states and en-

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Supermicro C2SBC-Q User Manual Page 16