Power States And Targeted System Power; Wake Up Devices And Events - Intel D810E2CA3 Specification

Table 10 lists the power states supported by the board along with the associated system power
targets. See the ACPI specification for a complete description of the various system and power
states.
Table 10.

Power States and Targeted System Power

Global States
G0 - working state
G1 - sleeping state
G1 - sleeping state
G2/S5
G3 - mechanical off
AC power is
disconnected from
the computer.
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.
1.13.1.2.2

Wake Up Devices and Events

Table 11 lists the devices or specific events that can wake the computer from specific states.
Table 11. Wake Up Devices and Events
These devices/events can wake up the computer...
Power switch
RTC alarm
LAN (S5 state requires a Wake on LAN technology connector)
Modem
USB
PS/2 keyboard
PS/2 mouse
PME#
1.13.1.2.3 Plug and Play
In addition to power management, ACPI provides controls and information so that the operating
system can facilitate Plug and Play device enumeration and configuration. ACPI is used only to
enumerate and configure board devices that do not have other hardware standards for enumeration
and configuration. PCI devices on the board, for example, are not enumerated by ACPI.
Sleeping States CPU States
S0 – working C0 - working
S1 - CPU stopped C1 - stop
grant
S3 - Suspend-to-RAM No power
Context saved to RAM
S5 - Soft off. Context No power
not saved. Cold boot
is required.
No power to the No power
system.
Desktop Board Description
Targeted System
Device States Power
D0 - working state Full power > 30 W
D1, D2, D3 - device 5 W < power < 30 W
specification specific.
D3 - no power except for Power < 5 W
wake up logic.
D3 - no power except for Power < 5 W
wake up logic.
D3 - no power for wake No power to the system
up logic, except when so that service can be
provided by battery or performed.
external source.
...from this state
S1, S3, S5
S1, S3, S5
S1, S3, S5
S1, S3
S1, S3
S1, S3
S1, S3
S1, S3
(Note 1)
(Note 2)
(Note 2)
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