Keyboard And Mouse Ports; Serial Ports - Intel AC450NX Product Manual

Keyboard and Mouse Ports

These identical PS/2 compatible ports share a common housing. The top one is the mouse, and the
bottom one is the keyboard.
6 5
4 3
2 1
OM00951A
Pin Signal
1 MSEDAT (mouse data)
2 No connection
3 GND (Ground)
4 FUSED_VCC (+5 V)
5 MSECLK (mouse clock)
6 No connection

Serial Ports

These ports support external devices such as modems and scanners that require serial data
transmission.
1 5
6 9
OM00932A
Pin Signal
1 DCD (data carrier detect)
2 RXD (receive data)
3 TXD (transmit data)
4 DTR (data terminal ready)
5 GND (Ground)
6 DSR (data set ready)
7 RTS (request to send)
8 CTS (clear to send)
9 RIA (ring indicator)
Chapter 17 PHP I/O Baseboard: Description/Setting Configuration Jumpers
Mouse Keyboard
Pin Signal
1 KEYDAT (keyboard data)
2 No connection
3 GND (Ground)
4 FUSED_VCC (+5 V)
5 KEYCLK (keyboard clock)
6 No connection
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