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PW1: 20-pin ATX Power Connector
PIN Description PIN Description
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 +5V 14 PS_ON
5 GND 15 GND
6 +5V 16 GND
7 GND 17 GND
8 PWOK 18 -5V
9 5Vsb 19 +5V
10 +12V 20 +5V
111
10 20
3.3V
-12V
GND
PS_ON
3.3V
3.3V
GND
+5V
GND
GND
GND
-5V
+5V
+5V
GND
+5V
GND
PWOK
5VSB
+12V
CN7: 2-pin ATX Power On/Off Switch
PIN Description
1
Pull 220
Ω
to VCCSTBY
2 PANSWIN
12
FAN1 and FAN2 onboard HS-7238 are 3-pin fan power connectors.
FAN1: Fan Power Connector
PIN Description
1
GND
2 +12V
3 Fan In 1
1
GND
3
+12V
FAN In 1
FAN2: Fan Power Connector
PIN Description
1 GND
2 +12V
3 Fan In 2
1
GND
3
+12V
FAN In 2
3.16 Keyboard/Mouse Connector
The HS-7238 offers one possibility for keyboard/mouse connection.
The connections are done via KB1 for an external PS/2 type
keyboard/mouse and CN12 for internal 6-pin keyboard/mouse
connection.