Biostar K8NHA-M Grand User Manual page 16

BIOSTAR Motherboard
(15) 5V / 5VSB Selection for KB: JKBMSV1 (optional)
JKBMSV1
Pin 1-2 close +5V
Pin 2-3 close +5V_SB
(16) Power Connectors: JATXPWR1/ JATXPWR2
The motherboard supports ATX power supply for the power system. Before
installing the power supply connector, please make sure that all components are
installed properly.
(17) Front Panel Audio Header: JAUDIO1
16 16 16 16 16
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Assignment
PIN Assignment PIN Assignment
1 +3.3V 11
2 +3.3V 12
3 Ground 13
4 +5V 14
5 Ground 15
6 +5V 16
7 Ground 17
8 PW_OK 18
9 +5V_SB 19
10 +12V 20
PIN Assignment PIN Assignment
1 +12V 3
2 +12V 4
The connector allows you to connect to the front panel audio.
Pin Assignment
1 Mic In
3 Mic Power
5 RT Line Out
7 Reserved
9 LFT Line Out
11 RT Line In
13 LFT Line In
Description
5V for keyboard and mouse
5V standby for keyboard and
mouse to power on your system
+3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
+5V
+5V
Ground
Ground
Pin Assignment
2 Ground
4 Audio Power
6 RT Line Out
8 Key
10 LFT Line Out
12 RT Line In
14 LFT Line In
1
1
20
1 0
1 1
1
1 3
4
2
14
2
1
13