User Manual

5-16
5038AD-I User's Manual
5-8 Connector Defi nitions
ATX Power 24-pin Connector
Pin Defi nitions (JPW1)
Pin# Defi nition Pin # Defi nition
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 8-pin Processor Power
Pin Defi nitions (JPW2)
Pins Defi nition
1 through 4 Ground
5 through 8 +12V
Required Connection
Power LED
The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table on the right for pin defi nitions.
Power LED
Pin Defi nitions (JF1)
Pin# Defi nition
15 +5V
16 Ground
HDD LED
The HDD LED connection is located
on pins 13 and 14 of JF1. Attach a
cable here to indicate the status of
HDD-related activities, including IDE,
SATA activities. See the table on the
right for pin defi nitions.
HDD LED
Pin Defi nitions (JF1)
Pin# Defi nition
13 +5V
14 HD Active
ATX Main PWR & CPU PWR
Connectors
The 24-pin main power connector
(JPW1) is used to provide power to
the motherboard. The 8-pin CPU PWR
connector (JPW2) is also required
for the processor. These power
connectors meet the SSI EPS 12V
specifi cation. See the table on the right
for pin defi nitions.