Gigabyte GA-7S748 User Manual page 24

3) ATX (ATX Power)
AC power cord should only be connected to your power supply unit after ATX power cable and
other related devices are firmly connected to the mainboard.
4) IDE1/ IDE2 (IDE1/IDE2 Connector)
Please connect first harddisk to IDE1 and connect CDROM to IDE2. The red stripe of the ribbon
cable must be the same side with the Pin1.
GA-7S748 Series Motherboard
Pin No.
1
2
10
20
3
4
5
6
7
8
9
10
11
12
13
11
1 14
15
16
17
18
19
20
39
40
- 20 -
Definition
3.3V
3.3V
GND
VCC
GND
VCC
GND
Power Good
5V S B(stand by +5V)
+12V
3.3V
-12V
GND
P S_ON (softOn/O ff)
GND
GND
GND
-5V
VCC
VCC
1
IDE1
IDE2
2