Supermicro SuperChassis 836BA-R1K28B Bedienungsanleitung Seite 135

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F-5
Appendix F: Power Control Card Specications
AA
AA
AA
REV 1.00
JBPWR2
F-6 Front Jumper Locations and Pin Denitions
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 identi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
3 2 1
Jumper Settings
Jumper Jumper Settings Note
JP22
Closed: Enabled
Open: Disabled
Fan1
JP23
Closed: Enabled
Open: Disabled
Fan2
JP24
Closed: Enabled
Open: Disabled
Buzzer*
JP24
JP23
JP22
Figure F-2. Front Jumpers
*The buzzer sound indicates that a condition requiring immediate attention has
occurred.
The buzzer alarm is triggered by the following conditions:
1. Hard drive failure
2. Fan failure
3. System temperature over 45º Celsius.
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