Supermicro CSE-846A-R1200B Manual de usuario descargar pdf (Pagina 76)

D-4

SC846 Chassis Manual

1 and 2. Primary and Secondary I

C Con-

nectors

The I

C Connectors are used to monitor HDD

activity and status. See the table on the right

for pin denitions.

C Connector

Pin Denitions (JP44

and JP45)

Pin# Denition

1 Data

2 Ground

3 Clock

4 No Connection

D-5 Front Connector and Pin Denitions

Backplane

Main Power

4-Pin Connector

Pin# Denition

1 +12V

2 and 3 Ground

4 +5V

3. Backplane Main Power Connectors

The 4-pin connectors, designated PWR1,

PWR2, PWR3, PWR4, PWR5, and PWR6,

provide power to the backplane. See the

table on the right for pin denitions.

5. Primary and Secondary Expander Chips

This Primary and Secondary Expander

Chips allow the backplane to support dual

ports, cascading, and failover.

4. Primary and Secondary Flash Chips

The Primary and Secondary Flash Chips

enhance the backplane memory.

6. EPP Ports

The EPP ports are used for manufacturer

diagnostic purposes only.

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Supermicro CSE-846A-R1200B Manual de usuario Pagina 76