Biostar U8568 PRO U8568 Pro user's manual - Page 16

Front Panel Connector: JPANEL1

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4-1. Front Panel Connector: JPANEL1 Pin Assignment Function Pin Assignment Function No. No. 1 +5V 2 Sleep Control Sleep 3 NA Speaker 4 Ground Button 5 NA Connector 6 NA NA 7 Speaker 8 Power LED (+) 9 HDD LED (+) Hard Drive 10 Power LED (+) POWER 11 HDD LED (-) LED 12 Power LED (-) LED 13 Ground Reset 14 Power Button Power-on 15 Reset Control Button 16 Ground Button 17 NA 18 KEY 19 NA IrDA 20 KEY IrDA 21 VCC5 Connector 22 Ground Connector 23 IRTX 24 IRRX SPK (Speaker Connector) An offboard speaker can be installed on the motherboard as a manufacturing option. An offboard speaker can be connected to the motherboard at the front panel connector. The speaker (onboard or offboard) provides error beep code information during the Power On Self-Test when the computer cannot use the video interface. The speaker is not connected to the audio subsystem and does not receive output from the audio subsystem. RST (Reset Button) This connector can be attached to a momentary SPST switch. This switch is usually open and when closed will cause the motherboard to reset and run the POST (Power On Self Test).

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4-1. Front Panel Connector: JPANEL1
Pin Assignment Function Pin Assignment Function
No.
No.
1
+5V
2
Sleep Control
Sleep
3
NA
Speaker
4
Ground
Button
5
NA
Connector
6
NA
NA
7
Speaker
8
Power LED (+)
9
HDD LED (+)
Hard Drive
10
Power LED (+)
POWER
11
HDD LED (-)
LED
12
Power LED (-)
LED
13
Ground
Reset
14
Power Button
Power-on
15
Reset Control
Button
16
Ground
Button
17
NA
18
KEY
19
NA
IrDA
20
KEY
IrDA
21
VCC5
Connector
22
Ground
Connector
23
IRTX
24
IRRX
SPK (Speaker Connector)
An offboard speaker can be installed on the motherboard as a
manufacturing option. An offboard speaker can be connected to
the motherboard at the front panel connector. The speaker
(onboard or offboard) provides error beep code information during
the Power On Self-Test when the computer cannot use the video
interface. The speaker is not connected to the audio subsystem
and does not receive output from the audio subsystem.
RST (Reset Button)
This connector can be attached to a momentary SPST switch. This
switch is usually open and when closed will cause the
motherboard to reset and run the POST (Power On Self Test).