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CPUFAN1/CASFAN1: FAN Power Connectors
Pin
Signal Name
Function
1 GND
System
Ground
2 +12V
Power
+12V
3 Sense
Sensor
SPEAKER1: Internal speaker
Pin
Signal Name
1 Signal
2 NC
3
Ground
4 VCC
CHS1: Chassis Intrusion Detect (optional)
This connector allows the user to detect unauthorized intrusion to the case. It
will alert the user with a warning message when the case is turned on.
Pin
Signal Name
Function
1
Intruder
Case open detecting signal
2 GND
Ground
SJI: Single-color LED header
Pin
Signal Name
1 ACPI
LED
2 ACPI
LED
3 5VSB
ACPI LED function:
S0
S1
S3
S4/S5
SJ1
1
Light Blinking
Blinking Dark
11