User`s manual

Chapter 2: Installation
2-9
Jumper
Position
1-2
2-3
Definition
PIIX4 Ctrl
Save PD State
Table 2-10
Power Save State Select
Pin Definitions
(JP20)
Position
1-2
Position
2-3
PIIX4 Ctrl
Save PD State
Table 2-9
Speaker Connector Pin Definitions
(JF1)
Pin
Number
10
11
12
13
Function
+
Key
Definition
Red wire, Speaker data
No connection
Key
Speaker data
Speaker Connector
The speaker connector is located
on pins 10 to 13 of JF1. See Table
2-9 for pin definitions.
Power Save State Select
Refer to Table 2-10 to set JP20.
Power Save State Select is used
when you want the system to be
in power off state the first time
you apply power to the system or
when the system comes back
from AC power failure. In this
state, the power will not come on
unless you hit the power switch
on the motherboard. PIIX4 control
is used if you want the system to
be in power on state the first time
you apply power to the system or
when the system comes back
from AC power failure.
Table 2-11
ATX PS/2
Keyboard
and Mouse Port
Pin Definitions
(J34)
Pin
Number
1
2
3
4
5
6
Definition
Data
NC
Ground
VCC
Clock
NC
The ATX PS/2 keyboard and PS/2
mouse ports are located on J34.
See Table 2-11 for pin definitions.
(PS/2 Keyboard: J35 bottom
PS/2 Mouse: J35 top)
Universal Serial Bus
Table 2-12
Universal Serial Bus Pin Definitions
Pin
Number Definition
1 +5V
2 P0-
3 P0+
4 Ground
5 N/A
Pin
Number Definition
1 +5V
2 P0-
3 P0+
4 Ground
5 Key
J17
J18
ATX PS/2 Keyboard and
PS/2 Mouse Ports
The two Universal Serial Bus con-
nectors are located on J17 and
J18. See Table 2-12 for pin defini-
tions.