Apple Power Macintosh 5400 series - Manual (Page 18)

Connecting the mouse and the keyboard
The way you connect the mouse and the keyboard depends on whether the
keyboard has a built-in cable or a separate cable. If your computer came with
a PC Compatibility Card installed, you may have a two-button mouse. See the
instructions that came with the card for information about connecting a two-
button mouse.
Connecting a keyboard with a built-in cable
1 Plug the mouse cable into the recessed port on the back of the keyboard.
The plug and the port are marked with the ◊ icon (symbol). The positions of
the port and icon on your keyboard may be different from those pictured.
By the way: A port marked with the ◊ icon is called an Apple Desktop Bus
(ADB) port.
This cable plugs into the Apple Desktop Bus (ADB) port,
marked with the
◊ icon, on the back of the computer.
Plug the mouse into the recessed port on
the keyboard. The flat part of the plug should
be pointing down, as shown here.
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