Intel ISP4400 - Server Platform - 0 MB RAM, Product Manual

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Technical Reference 81
Connectors Accessible to the User
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.
Table 8. Keyboard and Mouse Connectors
Mouse Keyboard
Pin Signal Pin Signal
1 MSEDAT (mouse data) 1 KEYDAT (keyboard data)
2 NC 2 NC
3 GND (ground) 3 GND (ground)
4 Fused VCC (+5 V) 4 Fused VCC (+5 V)
5 MSECLK (mouse clock) 5 KEYCLK (keyboard clock)
6 NC 6 NC
Serial Ports
The baseboard provides two RS-232C serial ports (COM1 is to the left, COM2 is to the right).
They are D-subminiature 9-pin connectors. Each serial port can be enabled separately with the
configuration control provided on the baseboard.
The COM2 serial port can be used either as an emergency management port or as a normal serial
port.
Table 9. Serial Ports
Pin Signal
1 DCD (carrier detect)
2 RXD (receive data)
3 TXD (transmit data)
4 DTR (data terminal ready)
5 GND
6 DSR (data set ready)
7 RTS (request to send)
8 CTS (clear to send)
9 RIA (ring indicator)