CPU die temperature sensor
Exhaust temperature 
sensor
CPU |
| Solaris |
| PICL |
| SMC |
| application | |
|
| |||
|
| driver |
| program |
|
|
|
|
|
Southbridge
OpenBoot PROM
SMC micro
controller
PLD
I2C controller
I2C MUX
Power control
and monitor cPCI J5
external I2C
ADM 1026
system monitor
Inlet temperature
sensor
