D915GAV datasheet(45/106 Pages) INTEL

45 / 106 page

Product Description

Resume on Ring enables telephony devices to access the computer when it is in a power-managed

state. The method used depends on the type of telephony device (external or internal).

NOTE

The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an

operating system that provides full ACPI support.

1.13.2.1

Power Connector

ATX12V-compliant power supplies can turn off the system power through system control. When

an ACPI-enabled system receives the correct command, the power supply removes all non-standby

voltages.

When resuming from an AC power failure, the computer returns to the power state it was in before

power was interrupted (on or off). The computer’s response can be set using the Last Power State

feature in the BIOS Setup program’s Boot menu.

For information about

Refer to

The location of the main power connector on the D915GAV board

Figure 19, page 66

The location of the main power connector on the D915GAG board

Figure 20, page 68

The signal names of the main power connector

Table 31, page 72

1.13.2.2

Fan Connectors

The function/operation of the fan connectors is as follows:

• The fans are on when the board is in the S0 or S1 state.

• The fans are off when the board is off or in the S3, S4, or S5 state.

• Each fan connector is wired to a fan tachometer input of the hardware monitoring and fan

control ASIC.

• All fan connectors support closed-loop fan control that can adjust the fan speed or switch the

fan on or off as needed.

• All fan connectors have a +12 V DC connection.

For information about

Refer to

The location of the fan connectors on the D915GAV board

Figure 19, page 66

The location of the fan connectors on the D915GAG board

Figure 20, page 68

The location of the fan connectors and sensors for thermal monitoring on the

D915GAV board

Figure 14, page 39

The location of the fan connectors and sensors for thermal monitoring on the

D915GAG board

Figure 15, page 40

The signal names of the processor fan connector

Table 29, page 71

The signal names of the chassis fan connectors

Table 30, page 71

D915GAV Datasheet(PDF) 45 Page - Intel Corporation

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