Micro-Star International MS-7640 Notice D'installation page 27

Front USB Connector: JUSB1, JUSB2
This connector, compliant with Intel I/O Connectivity Design Guide, is ideal for con-
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necting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3
players, printers, modems and the like.
* The MB layout in this figure is for reference only.
USB 2.0 Bracket (optional)
Serial Port Connector: JCOM1
This connector is a 16550A high speed communication port that sends/ receives 16
bytes FIFOs. You can attach a serial device.
CD-In Connector: JCD1
This connector is provided for external audio input.
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