Supermicro CSE-SAS-743TQ Guide de l'utilisateur télécharger pdf (Page 12)

2-5

Safety Information and Technical Speciﬁ cations

Explanation of Jumpers

To modify the operation of the backplane,

jumpers can be used to choose between

optional settings. Jumpers create shorts

between two pins to change the function

of the connector. Pin 1 is identiﬁ ed with

a square solder pad on the printed circuit

board.

Note: On two pin jumpers, "Closed" means

the jumper is on and "Open" means the

jumper is off the pins.

Connector

Pins

Jumper

Setting

3 2 1

Jumper Settings

Jumper Jumper Settings Note

JP18

Open: Enabled

Closed: Disabled

Buzzer Reset*

JP29

Open: Default

Closed: Reset

MG9072 Chip Reset

*The buzzer sound indicates that a condition requiring immediate attention has

occurred.

The buzzer alarm is triggered by the following conditions:

Hard drive failure1.

Fan failure2.

System temperature over 45º Celsius.3.

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Supermicro CSE-SAS-743TQ Guide de l'utilisateur Page 12