Syntax SV400 Manual page 38

CPUFAN1/CASFAN1: FAN Power Connectors
Pin Signal Name
1 GND
2 +12V
3 Sense
SPEAKER1: Internal speaker
Pin Signal Name
1 Signal
2 NC
3 Ground NC?
4 VCC
CHS1: Chassis Intrusion Detect
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
1 Intruder
2 GND
SJI: Single-color LED header
Pin Signal Name
1 ACPI LED
2 ACPI LED
3 5VSB
ACPI LED function:
S0
SJ1
1
Light
Function
System Ground
Power +12V
Sensor
Function
Case open detecting signal
Ground
S1 S3
Blinking Blinking
11
S4/S5
Dark