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X9SRA Motherboard Series User’s Manual
ATX PS/2 Keyboard/Mouse
Ports
The ATX PS/2 keyboard and
PS/2 mouse are located next to
the Back Panel USB Ports 13/10
on the motherboard. See the
table at right for pin denitions.
PS/2 Keyboard/Mouse Pin
Denitions
PS2 Keyboard PS2 Mouse
Pin# Denition Pin# Denition
1 KB Data 1 Mouse Data
2 No Connection 2 No Connection
3 Ground 3 Ground
4 Mouse/KB VCC
(+5V)
4 Mouse/KB VCC
(+5V)
5 KB Clock 5 Mouse Clock
6 No Connection 6 No Connection
VCC: with 1.5A PTC (current limit)
A. Backpanel USB 2.0 #1
B. Backpanel USB 2.0 #0
C. PS2 Keyboard/Mouse
Keyboard/Mouse
(For a keyboard cable or Mouse cable) (optional)
Back Panel USB (2.0) Port #0
(For a Y cable that connects to a KB cable and a Mouse Cable) (optional)
Back Panel USB (2.0) Port #1
(For a Y cable that connects to a KB cable and a Mouse Cable) (optional)
Note:
This motherboard offers three Keyboard/Mouse connection options as
shown in the graphic below.
•A. Plug in a Y cable that connects to a KB cable and a mouse cable on
other end to USB Port 8.
•B. Plug in a Y cable that connects to a KB cable and a mouse cable on
other end to USB Port 9.
•C. Connect a keyboard cable or a mouse cable to the PS2 KB/Mouse port.
A
B
C
A
B
C
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