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 

On chip Xeon Thermal Sensor for 400Mhz FSB Xeon

Hardware Monitor Chip 4: 

             Intel Xeon Thermal Sensor 

Slave Address: 

             0x19h 

Sensor Name  

Bank                    Register    

 CPU2 temperature  

0                        0x01h   

Programming CPU thermal sensors for custom Hardware Monitoring 

requirements (the GPIO pins are on ICH5) 

GPIO27 

GPIO28 

CHANNEL#

DEVICES 

X 

X 

X 

Winbond 83782D (Always on) 

1 

1 

3 

DIMM SPD (6 devices), and CK408B clock 

chip 

0 

1 

2 

CPU1 and CPU2 Thermal sensor, Super IO 

W83627HF 

1 0  1 

Reserved 

0 0  0 

Reserved 

Note: if you experience problems with setting up your system, always check the following 

things in the following order: 

Memory, Video, CPU 

By checking these items, you will most likely find out what the problem might have been 

when setting up your system. For more information on troubleshooting, check the Tyan 

website at: 

http://www.tyan.com

.

74 

              http://www.TYAN.com