LU82551QM Intel, LU82551QM Datasheet - Page 52

• Manufacturer Part Number: LU82551QM
• Manufacturer: Intel

Specifications of LU82551QM

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Lead Free Status / RoHS Status: Compliant

82551QM — Networking Silicon
8.2
8.3
46
The 82551QM provides 128 user defined alerts to monitor system hardware. The 82551QM
supports SMB, version 2.0 sensors along with eight SMB, version 1.0 sensors as stated in the ASF
specification. Some common SMB, version 1.0 sensors available on the market:
In addition, Intel’s 82551QM includes support for the following remote control operations:
Heartbeat
82551QM can be configured to send a heartbeat packet periodically. The heartbeat period (10.7
seconds to 23 minutes) is controlled by the heartbeat timer. Heartbeat and Ping/Pong are mutually
exclusive features. 82551QM can also send a heartbeat packet in response to an ICH event.
Ping/Pong
Upon receiving a “presence ping” packet, 82551QM replies with a “presence pong” packet.
Heartbeat and Ping/Pong are mutually exclusive features. This feature can be enabled remotely
through a management packet.
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Voltage
Temperature
Fan Tach
Presence ping/pong
System capability request/response
System state request/response
Power up
Unconditional power down
Reset and power cycle reset
Boot path definitions
— NOP
— Force PXE boot
— Force hard drive boot
— Force diagnostic boot
— Force CD/DVD boot
Datasheet