11
ATX1: ATX 20-pin Power Connector
Connect the standard power supply connector to
ATX1.
Pin
Signal Name
Pin
Signal Name
1 +3.3V
11 +3.3V
2 +3.3V
12 -12V
3 Ground
13 Ground
4 +5V
14 PS
ON#
5 Ground
15 Ground
6 +5V
16 Ground
7 Ground
17 Ground
8 PWRGD
18 +5V
9 +5VSB
19 +5V
10 +12V
20 +5V
CPUFAN1/CASFAN1: FAN Power Connectors
Connect the CPU cooling fan cable to
CPUFAN1
.
Connect the case cooling fan connector to either
CASFAN1
.
Pin
Signal Name
Function
1 GND
System
Ground
2 +12V
Power
+12V
3 Sense
Sensor
SPK1: Internal speaker
Connect the case speaker cable to
SPK1
.
Pin
Signal Name
1 VCC
2 NC
3 NC
4 Signal
SJI: Single-color LED header
Connect the case LED cable to
SJ1.
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