S845WD1-E Server Board - Viglen Download

Functional Architecture
S845WD1-E Server Board TPS
the system as a whole into a low-power state. The S845WD1-E server board supports sleep
states S0, S1, S3, S4 and S5.
Table 5. Power States and Targeted System Power
Global States
G0 – working
state
G1 – sleeping
state
G1 – sleeping
state
G1 – sleeping
state
G2/S5
G3 –
mechanical off
AC power is
disconnected
from the
computer.
Notes:
Sleeping States
Processor
States
Device States
S0 – working C0 – working D0 – working
state.
S1 – Processor
stopped
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 to the
system.
C1 – stop
grant
No power
No power
No power
No power
D1, D2, D3 –
device
specification
specific.
D3 – no power
except for
wake-up logic.
D3 – no power
except for
wake-up logic.
D3 – no power
except for
wake-up logic.
D3 – no power for
wake-up logic,
except when
provided by
battery or external
source.
Targeted System
Power (Note 1)
Full power > 30 W
5 W < power < 52.5 W
Power < 5 W
Power < 5 W
Power < 5 W
(Note 2)
(Note 2)
(Note 2)
No power to the system.
Service can be performed
safely.
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.
3.6.1.2 Wake-up Devices and Events
Table 6 lists the devices or specific events that can wake the computer from specific states.
Table 6. Wake-up Devices and Events
These devices/events can wake up the
computer…
Power switch
RTC alarm
…from this state
S1, S3, S4, S5
S1, S3, S4, S5
LAN S1, S3, S4, S5 (Note 1)
PME#
Modem (back panel Serial Port A)
S1, S3, S4, S5
S1, S3
16
Intel order number A93850-002
Revision 2.0