Intel D845PEBT2 Product Specification - Page 40

Hardware Support

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Intel Desktop Board D845PEBT2 Technical Product Specification 1.16.1.2 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... CNR LAN Modem (back panel Serial Port A) PME# Power switch PS/2 devices RTC alarm USB ...from this state S1, S3, S4, S5 S1, S3, S4, S5 (Note) S1, S3 S1, S3, S4, S5 (Note) S1, S3, S4, S5 S1, S3 S1, S3, S4, S5 S1, S3 Note: For LAN and PME#, 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. 1.16.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used. Failure to do so can damage the power supply. The total amount of standby current required depends on the wake devices supported and manufacturing options. Refer to Section 2.11.3 on page 80 for additional information. The Desktop Board D845PEBT2 provides power management hardware features, including: • Power connector • Fan connectors • LAN wake capabilities • Instantly Available PC technology • Resume on Ring • Wake from USB • Wake from PS/2 keyboard • PME# wake-up support LAN wake capabilities and Instantly Available PC technology require power from the +5 V standby line. The sections discussing these features describe the incremental standby power requirements for each. 40

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Intel Desktop Board D845PEBT2 Technical Product Specification
40
1.16.1.2
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
CNR
S1, S3, S4, S5
LAN
S1, S3, S4, S5
(Note)
Modem (back panel Serial Port A)
S1, S3
PME#
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
Note:
For LAN and PME#, 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.
1.16.2
Hardware Support
CAUTION
Ensure that the power supply provides adequate +5 V standby current if LAN wake capabilities
and Instantly Available PC technology features are used.
Failure to do so can damage the power
supply.
The total amount of standby current required depends on the wake devices supported and
manufacturing options.
Refer to Section 2.11.3 on page 80 for additional information.
The Desktop Board D845PEBT2 provides power management hardware features, including:
•
Power connector
•
Fan connectors
•
LAN wake capabilities
•
Instantly Available PC technology
•
Resume on Ring
•
Wake from USB
•
Wake from PS/2 keyboard
•
PME# wake-up support
LAN wake capabilities and Instantly Available PC technology require power from the +5 V
standby line.
The sections discussing these features describe the incremental standby power
requirements for each.