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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 definitions.
PS/2 Keyboard/Mouse Pin
Definitions
PS2 Keyboard
PS2 Mouse
Pin# Definition
Pin# Definition
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)
Note:
This motherboard offers three Keyboard/Mouse connection options as
shown in the graphic below.
•
1.
Connect a keyboard cable or a mouse cable to the PS2 KB/Mouse
port.
•
2.
Connect an Y cable that includes a KB cable and a mouse cable to the
PS2 KB/Mouse port.
•
3.
Connect a KB cable and a mouse cable to any USB ports.
1
2
1
3
3
X9DAi
Rev. 1.02
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