Asus A55M-A/USB3 User Manual download pdf (Page 35)

7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB

2.0/1.1 devices.

8. USB 3.0 ports 11 and 12 (A55M-A/USB3 only).

These two 4-pin Universal Serial Bus

(USB) ports are for connecting USB 3.0 devices.

USB 2.0 ports 11 and 12 (A55M-A only). These two 4-pin Universal Serial Bus (USB)

ports are for USB 2.0/1.1 devices.

9. 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

10. HDMI port.

This port is for a High-Denition Multimedia Interface (HDMI) connector,

and is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected

content.

11. PS/2 Keyboard port (purple).

This port is for a PS/2 keyboard.

1.8.2 Internal connectors

1. CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_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.

• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.

• Only the CPU_FAN connector support the ASUS Fan Xpert feature.

DO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow inside

the system may damage the motherboard components. These are not jumpers! DO NOT

place jumper caps on the fan connectors.

CPU_FAN

CPU FAN PWM

CPU FAN IN

CPU FAN PWR

GND

A55M-A/USB3

A55M-A/USB3 CPU fan connector

CHA_FAN

Rotation

+12V

GND

ASUS A55M-A Series

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Asus A55M-A/USB3 User Manual Page 35