2
Hardware Installation
17
Important:
ATX-SW (ATX Power Switch) - Depending on the setting in the
BIOS setup, this switch is a dual function power button that will
allow your system to enter the Soft-Off or Suspend mode. Refer to
section 3.7 (chapter 3) for more information.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Pin Assignment
HD-LED
(Primary/Secondary IDE LED)
G-LED
(Green LED)
ATX-SW
(ATX power switch)
G-SW
(Green switch)
RESET
(Reset switch)
SPEAKER
(Speaker connector)
KEYLOCK
(Keylock and Power LED
connector)
HDD LED Power
HDD
N. C.
Green LED Power
Green
N. C.
PWRBT
Ground
N. C.
SMI
Ground
N. C.
H/W Reset
Ground
N. C.
Speaker Data
N. C.
Ground
Speaker Power
N. C.
LED Power
N. C.
Standby Signal
Keylock
Ground
Use pins 21 to 23
for the Power/
Standby LED.
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