16
17
Ground
18
-15V
19
+5V
20
+5V
Attach the connectors from the power supply to ATX PWR.
Caution: If power supply connectors are not properly attached to
ATX PWR, the power supply or add-on cards may be damaged.
I/O port connectors
Name
No. of pins
Description
IDE 1
40
IDE channel 1 connector
IDE 2
40
IDE channel 2 connector
FDC
34
Floppy disk connector
LPT
25
Parallel port
COM 1
9
Serial port COM 1 connector
COM 2
9
Serial port COM 2 connector
USB
8
Universal serial Bus
Notes:
*IDE1, IDE2 are high performance PCI IDE connectors. Up to
four IDE interface devices are supported.
IR - IR connector(Infrared)
Pin Number
Name or significance of signal
1
+5Vcc
2
No connection
3
IR_RX
4
Ground
5
IR_TX
FAN 1, FAN 2, FAN 3:
DC-FAN Power Connector
Pin Number
Name or significance of signal
1
Ground
2
+12V
3
Sense
WOR:
Wake On Ring
Pin Number
Name or significance of signal
1
5VSB
