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X9DAi Motherboard 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 LAN ports 1/2 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)
1. PS2 KB/Mouse port for a KB or a Mouse
Cable
2. PS2 KB/Mouse port for an Y Cable
3/4. USB Ports for KB and Mouse cables
Keyboard/Mouse
(for a keyboard cable, a Mouse cable, or a Y cable) (optional)
(For a KB cable and a Mouse Cable in any USB ports ) (optional)
Notes:
This motherboard offers three Keyboard/Mouse connection options as
shown in the graphic below.
•Connect a keyboard cable or a mouse cable to the PS2 KB/Mouse port.
•Connect an Y cable that includes a KB cable and a mouse cable to the
PS2 KB/Mouse port.
•Connect a KB cable and a mouse cable to any USB ports.
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