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マザーボード AMD A55のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。AMD A55 20 ページ。 Chipset based m/b for socket fm1 amd processor

3-3 Headers

(1) Line-Out/MIC Header for Front Panel (9-pin): AUDIO1

These headers connect to Front Panel Line-out, MIC connector with cable.

(2) USB 2.0 Port Headers (9-pin): USB1/USB2

These USB 2.0 headers are used for connecting the additional USB 2.0 port

plugs. By attaching an option USB 2.0 cable, your can be provided with two

additional USB 2.0 plugs affixed to the back panel.

(3) USB 3.0 Port Headers (19-pin): USB3_2 (Optional for A75M series only)

This USB 3.0 header is used for connecting the additional USB 3.0 port plugs.

By attaching an optional USB 3.0 cable, your can be provided with two

additional USB 30 plugs affixed to the back panel.

(4) Speaker connector: SPEAK1

This 4-pin header connects to the case-mounted speaker. See the figure below.

(5) Power LED: PWR LED/PWRLED1

The Power LED is light on while the system power is on. Connect the Power

LED from the system case to this pin.

AUDIO

Pin 1

Line-Out, MIC Headers

Pin 1

USB Port Headers

Pin 1

USB 3.0 Header