22Game/MIDI connector. This connector supports a joystick or a game pad for playing games, and MIDI devices for playing or editing audio files.

23Serial ports. These two 9-pin COM1/COM2 ports are for pointing devices or other serial devices.

24Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices.

25PS/2 keyboard port. This purple 6-pin connector is for a PS/2 keyboard.

26PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.

1.3.2 Pre-installed accessory

This motherboard is shipped with the heatsink retention module base already installed. This module should fit the retention mechanism that comes with a boxed CPU.

You do not have to remove the retention module base when installing the CPU or installing other motherboard components.

Retention Module Base

Figure 1-2 Pre-installed Heatsink Retention Module Base

ASUS P4B-MX motherboard user guide

1-5