Specifications

2-10 Chapter 2
This has an orientation pin. Connect your keyboard connector to the connector
on the mainboard.
Pin number Name of the signal or signification
1 Keyboard data
2 No connection
3 Ground
4 +5VDC
5 Ground
6 Keyboard clock
KB1 - Keyboard Connector (PX5/TX5)
This has an orientation pin. Connect your keyboard connector to the connector
on the mainboard.
Pin number Name of the signal or signification
1 Keyboard clock
2 Keyboard data
3 No connection
4 Ground
5 +5VDC
I/O Port connectors Watch the pin number and the orientation
Connector name Pin number Name of the peripheral connected
IDE 1 40 IDE Channel 1
IDE 2 40 IDE Channel 2
FDC 34 Floppy Disk connector
LPT 26 Parallel port connector
COM1 10 Serial port COM1 connector
COM2 10 Serial port COM2 connector
USB 16 Universal Serial Bus connector