Apple Power Macintosh 4400 - Manual (Page 8)

8 Chapter 1
Connecting the mouse and keyboard
1 Plug the mouse cable into the recessed port on the back of the keyboard.
The plug and the port are marked with the V icon. The positions of the port
and icon on your keyboard may be different from those pictured.
By the way: A port marked with the V icon is called an Apple Desktop Bus
(ADB) port.
2 If you want to adjust the keyboard angle, lower the feet of the keyboard.
To adjust the keyboard angle, lower the feet until they snap into position.
This cable plugs into the Apple Desktop Bus (ADB) port,
marked with the
V icon, on the back of the computer.
Plug the mouse cable into the recessed port
on the keyboard. The flat part of the plug
should be pointing down, as shown here.