Biostar I945P-A7 I945P-A7 v1.x user's manual - Page 22
JKBV1: Power Source Header for PS/2 Keyboard and Mouse, JUSB3/JUSB4: Front USB Headers
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I945P-A7 JKBV1: Power Source Header for PS/2 Keyboard and Mouse COM1 3 3 1 Pin 1-2 Close 1 +5V for PS/2 keyboard and mouse. 3 Codec 1 Pin 2-3 close PS/2 keyboard and mouse are powered by +5V standby voltage. Note: In order to support this function "Power-on system via keyboard and mouse", "JKBV1" jumper cap should be placed on Pin 2-3. JUSB3/JUSB4: Front USB Headers This motherboard provides 2 USB 2.0 headers, which allows user to connect additional USB cable on the PC front panel, and also can be connected with internal USB devices, like USB card reader. COM1 Pin Assignment 1 +5V (fused) 2 +5V (fused) 3 USB- 4 USB- 5 USB+ JUSB3 JUSB4 6 USB+ 2 10 7 Ground 8 Ground Codec 1 9 9 Key 10 NC 20
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I945P-A7
20
JKBV1: Power Source Header for PS/2 Keyboard and Mouse
1
3
Pin 1-2 Close
+5V for PS/2 keyboard and
mouse.
1
3
Codec
C
O
M
1
1
3
Pin 2-3 close
PS/2 keyboard and mouse are
powered by +5V standby
voltage.
Note:
In order to support this function “Power-on system via keyboard and mouse”, “JKBV1”
jumper cap should be placed on Pin 2-3.
JUSB3/JUSB4: Front USB Headers
This motherboard provides 2 USB 2.0 headers, which allows user to connect
additional USB cable on the PC front panel, and also can be connected with
internal USB devices, like USB card reader.
Pin
Assignment
1
+5V (fused)
2
+5V (fused)
3
USB-
4
USB-
5
USB+
6
USB+
7
Ground
8
Ground
9
Key
1
2
9
10
JUSB4
JUSB3
Codec
C
O
M
1
10
NC