American Megatrends III User Manual page 31

Step 5 Attach Cables,
Block Connector The Apollo III motherboard has a 22-pin header that is used to connect the
following offboard connectors. The header is on the corner of the
motherboard near the CPU socket.
Pins 12 13 14 15
Pins
Connector
Speaker
IDE LED
Remote Power Switch (Power when
low).
Hardware Reset Switch
Power LED (lit when power is on)
Keyboard Lock
Turbo LED (lit when low speed is
active)
Suspend Mode Switch (Suspend when
Low)
Suspend LED (lit when system in
suspend mode)
Chapter 1 Hardware Installation
Continued
16 17
1 2 3 4 5
Pin 12
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Pin 1
Pin 2
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
18 19 20 21
6 7
10 11
8 9
Signal Descriptions
VCC
Speaker Data
LED Power
IDE Active
Remote Power
Ground
Hard Reset
Ground
+Power
Ground
Keyboard Lock
Ground
TURBO_LIT
TURBO_LEDPWR
Suspend In Switch
Ground
Suspend Out LED+
Suspend Out LED-
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