Datasheet

2-8
H8DA8/H8DAE/H8DAR-8/H8DAR-i User's Manual
2-6 Connecting Cables
Power Supply Connectors
The primary power supply connec-
tor (J1B4) on the H8DA8/H8DAE/
H8DAR-8/H8DAR-i meets the SSI
(Superset ATX) 24-pin specifi cation.
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
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.
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
Power LED
Pin Defi nitions (JF1)
Pin# Defi nition
15 Vcc
16 Control