User`s manual

En-14

MS-7501 Mainboard

Front USB Connector

This connector, compliant with Intel

I/O Connectivity Design Guide, is ideal for con-

necting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3

players, printers, modems and the like.

Important

Note that the pins of VCC and GND must be connected correctly to avoid possible

damage.

USB 2.0 Bracket

(Optional)

Chassis Intrusion Connector

This connector connects to the chassis intrusion switch cable. If the chassis is opened,

the chassis intrusion mechanism will be activated. The system will record this status and

show a warning message on the screen. To clear the warning, you must enter the BIOS

utility and clear the record.

Serial Port Connector

This connector is a 16550A high speed communications port that sends/receives 16

bytes FIFOs. You can attach a serial device to it.

USBOC

VCC

USB0-

USB0+

GND

Key (no pin)

VCC

USB1-

USB1+

GND

JUSB1/2/3

CINTRU

GND

JCI1

DCD

SIN

SOUT DTR

Ground

DSR

RTS

CTS

JCOM1

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