Asus M2A-MX - Manual (Page 39)

ASUS M2A-MX 1-27
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
9. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor
or other VGA-compatible devices.
10. Serial (COM1) port. This port is for pointing devices or other serial devices.
11. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
Audio 2, 4, or 6-channel configuration
Port Headset
2-channel
4-channel 6-channel
Light Blue Line In Surround Surround
Lime Headphone/Front Front Speaker Out Front Speaker Out
Pink Mic In Mic In Center/Subwoofer