Intel D845PEBT2 - PS;2 Mouse;Keyboard Connector; IEEE 1394 A-2000 Connector (Optional); USB Connectors; Serial Port a Connector

Technical Reference
53
Table 16. PS/2 Mouse/Keyboard Connector
Pin Signal Name
1 Data
2 Not connected
3 Ground
4 +5 V (Fused)
5 Clock
6 Not connected
Table 17. IEEE 1394a-2000 Connector (Optional)
Pin Signal Name
1 +12V (Fused)
2 Ground
3 TPB1-
4 TPB1+
5 TPA1-
6 TPA1+
7 - 14 Shield Ground
Table 18. USB Connectors
Pin Signal Name
1 +5 V (Fused)
2 USB#
3 USB
4 Ground
Table 19. Serial Port A Connector
Pin Signal Name
1 DCD (Data Carrier Detect)
2 RXD# (Receive Data)
3 TXD# (Transmit Data)
4 DTR (Data Terminal Ready)
5 Ground
6 DSR (Data Set Ready)
7 RTS (Request to Send)
8 CTS (Clear to Send)
9 RI (Ring Indicator)