2-6 Connecting Cables
ATX/Auxiliary Power
Connectors
A 24-pin main power connector is
located at J40. This power connector
meet the SSI EPS 12V specification.
See the table on the right for pin
definitions.
ATX Power 24-pin Connector
Pin Definitions
Pin# Definition Pin # Definition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 COM 3 COM
16 PS_ON 4 +5V
17 COM 5 COM
18 COM 6 +5V
19 COM 7 COM
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 COM 12 +3.3V
12V 4-pin Power Con-
nector
Pin Definitions
Pins Definition
1 and 2 Ground
3 and 4 +12V
A. 24-pin ATX PWR
B.
4-pin PWR
A
B
4-pin CPU Power Connector
A 4-pin 12V power connector is located
at J41 on the motherboard. This power
connector also meets the SSI EPS
12V specification, and is required to
ensure adequate power to the proces-
sor. See the table on the right for pin
definitions.