5-12
A+ Server 1020A-T User's Manual
5-9 Connector
Defi nitions
Primary ATX Power Supply
Connector
The primary power supply connector
(J1B4) on the H8DAR-T meets the
SSI (Superset ATX) 24-pin specifi ca-
tion. Refer to the table on the right for
the pin defi nitions of the ATX 24-pin
power connector.
Note: You must also connect the 8-
pin (JPW2) power connector to your
power supply (see below).
Required Connection
ATX Power 24-pin Connector
Pin Defi nitions (J1B4)
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
Secondary Power
Connector
In addition to the Primary ATX power
connector (above), the Secondary
12v 8-pin power connector at JPW2
must also be connected to your power
supply. See the table on the right for
pin defi nitions.
Secondary Power
Connector
Pin Defi nitions (JPW2)
Pins Defi nition
1 through 4
Ground
5 through 8
+12V
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 defi nitions.
NMI Button
Pin Defi nitions (JF1)
Pin# Defi nition
19
Control
20
Ground
Auxiliary Power Connector
The 4-pin auxiliary power connec-
tor at J32 supplies extra power that
may be needed for systems with high
loads. See the table on the right for
pin defi nitions.
Recommended Connection
Auxiliary Power
Connector
Pin Defi nitions (J32)
Pins Defi nition
1 & 2
Ground
3 & 4
+12V
Содержание 1020A-T
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