R2000GZ and R2000GL

Intel

Server System R2000GZ/GL Product Family TPS

The following IPMI thermal sensors are used as input to fan speed control:

• Front Panel Temperature Sensor

• CPU Margin Sensors

2,4,5

• DIMM Thermal Margin Sensors

2,4

• Exit Air Temperature Sensor

1, 7, 9

• PCH Temperature Sensor

3,5

• On-board Ethernet Controller Temperature Sensors

3, 5

• Add-In Intel SAS/IO Module Temperature Sensors

3, 5

• PSU Thermal Sensor

3, 8

• CPU VR Temperature Sensors

3, 6

• DIMM VR Temperature Sensors

3, 6

• BMC Temperature Sensor

3, 6

• Global Aggregate Thermal Margin Sensors

• Hot Swap Backplane Temperature Sensors

• I/O module Temperature Sensor (With option installed)

• Intel

ROC Module (With option installed)

Notes:

1. For fan speed control in Intel chassis

2. Temperature margin from throttling threshold

3. Absolute temperature

4. PECI value or margin value

5. On-die sensor

6. On-board sensor

7. Virtual sensor

8. Available only when PSU has PMBus

9. Calculated estimate

The following diagram illustrates the fan speed control structure.

Figure 22. Fan Control Model

34 Revision 2.2