HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 75
Fan Control, Sense Power State, Additional Sensors, Table 5-4, Sensor, Sensor ID, Signal, Zircon
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Hardware Management (Monitoring and Reporting) Hardware Monitoring Table 5-4 Additional Sensors The SDR for Processor 0 includes three separate functions: • presence detect • IERR • processor voltage mismatch Additional Sensor Scans Sensor Sensor ID Signal # Sensor Type Zircon Winbon Description Pin d Pin 70h CPU0 SKTOCC_0_L Processor GPIO23 - PRESENT Processor 0 Presence/Absence 71h CPU1 SKTOCC_1_L Processor GPIO24 - PRESENT Processor 1 Presence/Absence 72h CPU0IERR IERR# Processor GPIO27 - Processor 0 IERR 73h CPU VID_ERROR# Processor GPIO28 - MISMATCH Processor Voltage Mismatch 80h CHASSIS INTRU# OPEN Chassis Intrusion C_OPEN General Chassis Intrusion Fan Control Individual fan speed is controlled by the HMC, based on temperature and configuration information. This allows fans to run slower in most circumstances, thus making the machine quieter. Sense Power State Zircon senses power state using signal pins from the ICH2. This is used for fan control and indicating power state on the status LED. Chapter 5 75
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