Asus M4A77T/USB3 Bedienungsanleitung PDF herunterladen (Seite 29)

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

USB 2.0 /1.1 devices.

7. USB 3.0 ports 1 and 2

. These two 4-pin Universal Serial Bus (USB) ports are for USB

3.0 / 2.0 devices.

8. USB 2.0 ports 3 and 4

. These two 4-pin Universal Serial Bus (USB) ports are for USB

2.0 / 1.1 devices.

9. Serial port.

This 9-pin COM1 port is for pointing devices or other serial devices.

10. Optical S/PDIF_OUT port.

This port connects to an external audio output device via

an optical S/PDIF cable.

11. PS/2 Keyboard port (purple).

This port is for a PS/2 keyboard.

1.10.2 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.

Only the 4-pin CPU fan supports the ASUS Q-Fan 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

GND

CPU FAN PWR

CPU FAN IN

CPU FAN PWM

M4A77T/USB3

M4A77T/USB3 fan connectors

Rotation

+12V

GND

CHA_FAN

ASUS M4A77T/USB3 1-19

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Asus M4A77T/USB3 Bedienungsanleitung Seite 29