Intel D915GVWB Product Specification - Page 33

Wake-up Devices and Events

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Product Description Table 8. Power States and Targeted System Power Global States Sleeping States Process or States Device States Targeted System Power (Note 1) G0 - working state S0 - working C0 - working D0 - working state. Full power > 30 W G1 - sleeping state G1 - sleeping state S1 - Processor stopped S3 - Suspend to RAM. Context saved to RAM. C1 - stop grant No power D1, D2, D3 - device specification specific. D3 - no power except for wake-up logic. 5 W < power < 52.5 W Power < 5 W (Note 2) G1 - sleeping state S4 - Suspend to disk. Context saved to disk. No power D3 - no power except Power < 5 W (Note 2) for wake-up logic. 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. 1.12.1.2 Wake-up Devices and Events Table 9 lists the devices or specific events that can wake the computer from specific states. Table 9. Wake-up Devices and Events These devices/events can wake up the computer... LAN Modem (back panel Serial Port A) PME# signal Power switch PS/2 devices RTC alarm USB WAKE# ...from this state S1, S3, S4, S5 (Note) S1, S3 S1, S3, S4, S5 (Note) S1, S3, S4, S5 S1, S3 S1, S3, S4, S5 S1, S3 S1, S3, S4, S5 Note: For LAN and PME# signal, 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. 33

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Product Description
33
Table 8.
Power States and Targeted System Power
Global States
Sleeping States
Process
or States
Device States
Targeted System
Power
(Note 1)
G0 – working state
S0 – working
C0 –
working
D0 – working state.
Full power > 30 W
G1 – sleeping state
S1 – Processor
stopped
C1 – stop
grant
D1, D2, D3 – device
specification specific.
5 W < power < 52.5 W
G1 – sleeping state
S3 – Suspend to
RAM.
Context
saved to RAM.
No power
D3 – no power except
for wake-up logic.
Power < 5 W
(Note 2)
G1 – sleeping state
S4 – Suspend to
disk.
Context
saved to disk.
No power
D3 – no power except
for wake-up logic.
Power < 5 W
(Note 2)
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.
1.12.1.2
Wake-up Devices and Events
Table 9 lists the devices or specific events that can wake the computer from specific states.
Table 9.
Wake-up Devices and Events
These devices/events can wake up the computer…
…from this state
LAN
S1, S3, S4, S5
(Note)
Modem (back panel Serial Port A)
S1, S3
PME# signal
S1, S3, S4, S5
(Note)
Power switch
S1, S3, S4, S5
PS/2 devices
S1, S3
RTC alarm
S1, S3, S4, S5
USB
S1, S3
WAKE#
S1, S3, S4, S5
Note:
For LAN and PME# signal, 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.