Intel 865G - Manual (Page 31)

INSTALLATIONS
IB865 User’s Manual 27
J19: PS/2 Keyboard and Mouse Connector
J19 uses a Y-cable with dual D-connectors for a PS/2 keyboard and a
PS/2 mouse.
Pin # Signal Name
1 Mouse data
2 Keyboard data
3 Ground
4 Vcc
5 Mouse Clock
J19
6 Keyboard Clock
J20: Primary RJ45 Connector
J20 is the primary RJ-45 connector based on the chipset integrated LAN.
The figure below shows the pin out assignments of the connector and its
corresponding input jack.
J21: Gigabit LAN RJ45 Connector
J21 is the Gigabit LAN RJ45 connector.
AGP1: MicroAGP Connector (for IBA110 / IBA120)