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Chapter 4: Diagnostics
4.1 – Hardware Monitor Information
ICH3 SMBus base address = EC80h
Winbond83782D hardware Monitor Information
Hardware Monitor Chip 1: Winbond83782D
Slave Address: 0x29h
Chip Clock: 14.318MHz
Sensor Name Bank Register Other
CPU1 Fan 0 0x28h controlled by PWM1
CPU2 Fan 0 0x29h controlled by PWM3
Chassis Fan 3 0 0x2Ah controlled by PWM4
System Volt 3.3V 0 0x22h
System Volt 5V 0 0x23h
System Volt 12V 0 0x24h R1 = 28K, R2 = 10K
Battery Voltage 5 0x51h
System(VRM) temp 0 0x27h 2N3904 diode
CPU1 533FSB temp 1 0x50h PII compatible diode
CPU2 533FSB temp 2 0x50h PII compatible diode
W83627HF Super IO hardware Monitor Information
Hardware Monitor Chip 2: WinbondW83627HF (Super IO)
Slave Address: 0x2ah
Chip Clock: 48.000MHz
Sensor Name Bank Register
Chassis Fan 4 0 0x28h
Chassis Fan 5 0 0x29h
Chassis Fan 6 0 0x2Ah
On chip Xeon Thermal Sensor for 400Mhz FSB Xeon
Hardware Monitor Chip 3: Intel Xeon Thermal Sensor
Slave Address: 0x18h
Sensor Name Bank Register
CPU1 temperature 0 0x01h