3
Hardware Reference
34
Power management
ACPI power states
Table 22
shows the Advanced Configuration and Power Interface (ACPI) 3.0 power states that
the Q35 motherboards support.
For information about power consumption of major sources and power supply requirements,
see
Electrical specifications
on page 12.
ACPI wake-up
Q35 modules are capable of supporting these wake-up events from S3 and S5 sleep states by
configuring the BIOS setup utility:
Power button
Onboard LAN. To wake on LAN, make sure that the embedded Ethernet is enabled in the
BIOS setup utility and the Ethernet connection is available.
PS/2 mouse and keyboard
USB device wake up
Table 22. Supported ACPI power states
VCC state
Supported ACPI states
12V/-12V/5V/3.3V 5V standby G0/S0
1
1
G0/S0 — Fully operational; working
G1/S3
2
2
G1/S3 — Standby (Suspend to RAM). Main memory is still powered. This state allows the resumption of work
exactly where it was left at the start of standby.
G1/S4
3
3
G1/S4 — Non-volatile sleep (Suspend to disk). System context is saved to disk and power removed from all
circuits except those required to resume.
G2/S5
4
4
G2/S5 — Soft off. All devices are un-powered. Memory contents and context are lost.
G3
5
5
G3 — Mechanical off. System is un-powered with no standby rails. No wake-up is possible.
Full power
On
On
Yes
-
-
-
-
Standby
Off
On
-
Yes
Yes
Yes
-
Power off
Off
Off
-
-
-
-
Yes
Hard-switched power supply
On
N/A
Yes
-
-
-
-
Hard-switched power supply
Off
N/A
-
-
-
-
Yes
Summary of Contents for PL35Q
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Page 8: ...8 ...
Page 20: ...2 Product Specification 20 ...
Page 38: ...3 Hardware Reference 38 ...
Page 58: ...A Connector Description 58 ...
Page 72: ...C 72 ...