Intel D915PDT D915PDT Technical Product Specification - Page 36

Wake-up Devices and Events

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Intel Desktop Board D915PDT Technical Product Specification Table 7. Power States and Targeted System Power Global States Sleeping States Processor 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 G1 - sleeping state G2/S5 S3 - Suspend to RAM. Context saved to RAM. S4 - Suspend to disk. Context saved to disk. S5 - Soft off. Context not saved. Cold boot is required. No power No power No power D3 - no power except for wake-up logic. D3 - no power except for wake-up logic. D3 - no power except for wake-up logic. Power < 5 W (Note 2) Power < 5 W (Note 2) 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. 1.11.1.2 Wake-up Devices and Events Table 8 lists the devices or specific events that can wake the computer from specific states. Table 8. 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) PME# signal S1, S3 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# signal 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. 36

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Intel Desktop Board D915PDT Technical Product Specification
36
Table 7.
Power States and Targeted System Power
Global States
Sleeping States
Processor
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.
1.11.1.2
Wake-up Devices and Events
Table 8 lists the devices or specific events that can wake the computer from specific states.
Table 8.
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# signal
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.