American Megatrends Olympus Pentium II PCI ISA Manual page 31

Step 7 Attach Cables,
Connect Power Supply The power supply should match the physical configuration of the chassis.
Make sure that the power switch is Off before assembly. Before attaching all
components, make sure that the proper voltage has been selected. Power
supplies often can run on a wide range of voltages and must be set (usually via a
switch) to the proper range. Use at least a 300 watt power supply, which should
have built-in filters to suppress radiated emissions. Attach the power supply
cables to the power connector on the motherboard. ATX-compatible power
supplies have two 10-pin connectors. The power connector pinout is:
Pin
11
12
13
14
15
16
17
18
19
20
Keyboard and Mouse Cables The keyboard and mouse attach via six-pin PS/2 connectors. The
keyboard connector is labeled PS2/KB. The pinout is the same for the PS/2
keyboard: and PS/2 mouse connectors:
Continued
Description Pin
+3.3V 1
-12V 2
Ground 3
-PWR_ON 4
Ground 5
Ground 6
Ground 7
-5V 8
+5V 9
+5V 10
Description
+3.3V
+3.3V
Ground
+5V
Ground
+5V
Ground
PWR_GOOD
5V_VR
+12V
Chapter 1 Hardware Installation
Cont'd
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