BOXD845EBG2L Intel, BOXD845EBG2L Datasheet - Page 38

• Manufacturer Part Number: BOXD845EBG2L
• Manufacturer: Intel

Specifications of BOXD845EBG2L

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification
1.14.1 ACPI
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ACPI gives the operating system direct control over the power management and Plug and Play
functions of a computer. The use of ACPI with the Desktop Boards D845EBG2 and D845EPT2
requires an operating system that provides full ACPI support. ACPI features include:
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Table 7 lists the system states based on how long the power switch is pressed, depending on how
ACPI is configured with an ACPI-aware operating system.
Table 7.
If the system is in this state…
Off
(ACPI G2/G5 – Soft off)
On
(ACPI G0 – working state)
On
(ACPI G0 – working state)
Sleep
(ACPI G1 – sleeping state)
Sleep
(ACPI G1 – sleeping state)
For information about
The Desktop Boards’ compliance level with ACPI
Plug and Play (including bus and device enumeration)
Power management control of individual devices, add-in boards (some add-in boards may
require an ACPI-aware driver), video displays, and hard disk drives
Methods for achieving less than 15-watt system operation in the power-on/standby
sleeping state
A Soft-off feature that enables the operating system to power-off the computer
Support for multiple wake-up events (see Table 9 on page 40)
Support for a front panel power and sleep mode switch
Effects of Pressing the Power Switch
…and the power switch is
pressed for
Less than four seconds
Less than four seconds
More than four seconds
Less than four seconds
More than four seconds
…the system enters this state
Power-on
(ACPI G0 – working state)
Soft-off/Standby
(ACPI G1 – sleeping state)
Fail safe power-off
(ACPI G2/G5 – Soft off)
Wake-up
(ACPI G0 – working state)
Power-off
(ACPI G2/G5 – Soft off)
Refer to
Section 1.5, page 18