Chapter 5: Diagnostics 

5.1   Hardware Monitor Information

ICH5 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 

73 

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