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Installation Instructions
Manual for P7B series
11
Fan Connectors ( CPUFAN, SYSFAN, PWRFAN)
The fan speed of CPUFAN, SYSFAN and PWRFAN can be detected and viewed in “PC
Health” section of the BIOS. These three fans will be automatically turned off after the
system enters suspend mode.
Chassis Security Switch (CHSSEC)(Reserved)
The connector connects to the chassis security switch on the case. The system can
detect the chassis intrusion through the status of this connector. If the case has been
opened , the system will record the status and indicate the chassis has been opened.
CPU_FAN
SYS_FAN
PWR_FAN
FAN GND
+12V
SENSE
FAN GND
SENSE
+12V
FAN GND
SENSE
+12V
CHSSEC
1
GND Indicate signal