1-14
Chapter 1: Product introduction
Toconfigurea7.1-channelaudiooutput:
Use a chassis with HD audio module in the front panel to support a 7.1-channel audio
output.
7. USB 2.0 ports. These 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1
devices.
8. DVI-D port. This port is for any DVI-D compatible device. DVI-D can’t be converted to
output RGB Signal to CRT and isn’t compatible with DVI-I.
9. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.
1.7.2 Internal connectors
1. CPUandchassisfanconnectors(4-pinCPU_FAN,and4-pinCHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
DO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow inside
the system may damage the motherboard components. These are not jumpers! DO NOT
place jumper caps on the fan connectors.
• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.
• The CPU_FAN and CHA_FAN connectors support the ASUS Fan Xpert feature.
A58M-K
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
Audio2.1,4.1,5.1,or7.1-channelconfiguration
Port
Headset 2.1-
channel
4.1-channel 5.1-channel 7.1-channel
Light Blue (Rear panel) Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out
Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink (Rear panel) Mic In Mic In Bass/Center Bass/Center
Lime (Front panel) — — — Side Speaker Out