Intel S845WD1-E Manuel d'utilisateur télécharger pdf (Page 30)

30 Intel Server Board S845WD1-E Product Guide

Table 6. Power States and Targeted System Power (continued)

Global States

Sleeping States

Processor

States

Device States

Targeted System

Power

(Note 1)

G2/S5 S5 – Soft off.

Context not saved.

Cold boot is

required.

No power D3 – no power

except for

wake-up logic.

Power < 5 W

(Note 2)

G3 –

mechanical off

AC power is

disconnected

from the

computer.

No power to the

system.

No power D3 – no power for

wake-up logic,

except when

provided by

battery or external

source.

No power to the system.

Service can be performed

safely.

Notes:

1. Total system power is dependent on the system configuration, including add-in boards and peripherals powered

by the system chassis’ power supply.

2. Dependent on the standby power consumption of wake-up devices used in the system.

Wake-up Devices and Events

Table 7 lists the devices or specific events that can wake the computer from specific states.

Table 7. Wake-up Devices and Events

These devices/events can wake up the computer… …from this state

Power switch S1, S3, S4, S5

RTC alarm S1, S3, S4, S5

LAN S1, S3, S4, S5

(Note 1)

CNR S1, S3, S4

(Note 2)

, S5

(Note 2)

PME# S1, S3, S4, S5

Modem (back panel Serial Port A) S1, S3

USB S1, S3

Notes:

1. S4 state is dependent on an OS that supports this wake event.

2. For LAN and PME#, S5 is disabled by default in the BIOS Setup program. Setting this option to Power On will

enable a wake-up event from LAN in the S5 state.

✏

NOTE

The use of these wake-up events from an ACPI state requires an operating

system that provides full ACPI support. In addition, software, drivers, and

peripherals must fully support ACPI wake events.

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Intel S845WD1-E Manuel d'utilisateur Page 30

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