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S
S
UPER
ERVER 1027R-72RFTP User's Manual
5-8
Connector Definitions
Power Connectors
A 2 4 - p i n m a i n p o w e r s u p p l y
connector(JPW1), and two 8-pin
power connectors (JPW2/JPW3) are
located on the motherboard. These
power connectors meet the SSI EPS
12V specification. These power con-
nectors must also be connected to
your power supply. See the table on
the right for pin definitions.
Warning: To prevent damage to
the power supply or motherboard,
please use a power supply that
contains a 24-pin and two 8-pin and
one 4-pin power connectors. Be
sure to connect these power supply
connectors to the 24-pin power con-
nector (JPW1), and the 8-pin power
connectors (JPW2/JPW3) on the
motherboard.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin definitions.
Power LED
The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table on the right for pin definitions.
ATX Power 24-pin Connector
Pin# Definition Pin #
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
COM
5-14
Pin Definitions
Definition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
12V 8-pin PWR
Connector
Pin Definitions
Pins
Definition
1~ 4
Ground
5 ~8
+12V
(Required)
NMI Button
Pin Definitions (JF1)
Pin#
Definition
19
Control
20
Ground
Power LED
Pin Definitions (JF1)
Pin#
Definition
15
3.3V
16
PWR LED
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