ASROCK E3C224 User Manual download pdf (Page 55)

A. Front panel SMBus connecting pin (6-pin FPSMB)

This header allows you to connect SMBus (System Management

Bus) equipment. It can be used for communication between

peripheral equipment in the system, which has slower

transmission rates, and power management equipment.

B. Internet status indicator (2-pin LAN1_LED, LAN2_LED)

These two 2-pin headers allow you to use the Gigabit internet

indicator cable to connect to the LAN status indicator. When this

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C. Chassis intrusion pin (2-pin CHASSIS)

This header is provided for host computer chassis with chassis

intrusion detection designs. In addition, it must also work with

external detection equipment, such as a chassis intrusion

detection sensor or a microswitch. When this function is activated,

if any chassis component movement occurs, the sensor will

immediately detect it and send a signal to this header, and the

system will then record this chassis intrusion event. The default

setting is set to the CASEOPEN and GND pin; this function is off.

D. Locator LED (6-pin LOCATOR)

This header is for the locator switch and LED on the front panel.

Speaker Header

(4-pin SPEAKER1)

(see p.22, 25, 28, 31)

Front and Rear

Fan Connectors

(4-pin FRNT_FAN1)

(4-pin FRNT_FAN2)

(4-pin FRNT_FAN3)

(see p.22, 25, 28, 31)

(4-pin REAR_FAN1)

(see p.22, 25, 28, 31)

+5V

DUMMY

SPEAKER

Please connect the speaker

to this header.

Please connect the fan

cables to the fan connectors

and match the black wire to

the ground pin. All fans sup

ports Fan Control.

FAN_SPEED

FAN_SPEED_CONTROL

GND

+12V

FAN_SPEED

FAN_SPEED_CONTROL

+12V

GND

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 95 96

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ASROCK E3C224 User Manual Page 55

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