Intel D2500HN Technical Product Specification for Intel Desktop Board D2500HN - Page 32

Hardware Support

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Intel Desktop Board D2500HN Technical Product Specification 1.11.2 Hardware Support The board provides several power management hardware features, including: • Power connector • Fan header • LAN wake capabilities • Instantly Available PC technology • Wake from USB • Wake from PS/2 devices • Power Management Event signal (PME#) wake-up support • +5V Standby Power Indicator LED LAN wake capabilities and Instantly Available PC technology require power from the +5 V standby line. NOTE The use of Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. 1.11.2.1 Fan Header The function/operation of the fan header is as follows: • The fan is on when the board is in the S0 state. • The fan is off when the board is off or in the S3, S4, or S5 state. • The system fan header supports closed-loop fan control that can adjust the fan speed and is wired to a fan tachometer input. • The fan header supports +12 V, 3-wire fans at 1 A maximum. For information about The locations of the fan header and thermal sensors The signal names of the system fan header Refer to Figure 6, page 28 Table 12, page 43 1.11.2.2 LAN Wake Capabilities LAN wake capabilities enable remote wake-up of the computer through a network. The LAN subsystem network adapter monitors network traffic at the Media Independent Interface. The board supports LAN wake capabilities with ACPI in the following ways: • By Ping • By Magic Packet Upon detecting the configured wake packet type, the LAN subsystem asserts a wakeup signal that powers up the computer. 32

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Intel Desktop Board D2500HN Technical Product Specification
32
1.11.2
Hardware Support
The board provides several power management hardware features, including:
•
Power connector
•
Fan header
•
LAN wake capabilities
•
Instantly Available PC technology
•
Wake from USB
•
Wake from PS/2 devices
•
Power Management Event signal (PME#) wake-up support
•
+5V Standby Power Indicator LED
LAN wake capabilities and Instantly Available PC technology require power from the
+5 V standby line.
NOTE
The use of Wake from USB technologies from an ACPI state requires an operating
system that provides full ACPI support.
1.11.2.1
Fan Header
The function/operation of the fan header is as follows:
•
The fan is on when the board is in the S0 state.
•
The fan is off when the board is off or in the S3, S4, or S5 state.
•
The system fan header supports closed-loop fan control that can adjust the fan
speed and is wired to a fan tachometer input.
•
The fan header supports +12 V, 3-wire fans at 1 A maximum.
For information about
Refer to
The locations of the fan header and thermal sensors
Figure 6, page 28
The signal names of the system fan header
Table 12, page 43
1.11.2.2
LAN Wake Capabilities
LAN wake capabilities enable remote wake-up of the computer through a network.
The
LAN subsystem network adapter monitors network traffic at the Media Independent
Interface.
The board supports LAN wake capabilities with ACPI in the following ways:
•
By Ping
•
By Magic Packet
Upon detecting the configured wake packet type, the LAN subsystem asserts a wake-
up signal that powers up the computer.