2-2
Backplane User's Guide
2-2 Front Connector and Pin Definitions
Backplane
Main Power
4-Pin Connector
(PWR0, PWR1, PWR2,
and PWR3)
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
4. Backplane Main Power Connectors
The 4-pin connectors, designated PWR0,
PWR1, PWR2, and PWR3, provide power
to the backplane. See the table on the right
for pin definitions.
1. Primary and Secondary I
2
C Connectors
The I
2
C Connectors are used to monitor hard
drive activity and status through LED. See
the table on the right for pin definitions. There
are four total connectors--two primary and
two secondary.
These connectors are optional and should
only be used by qualified technicians.
I
2
C Connector
Pin Definitions
Pin# Definition
1
Data
2
Ground
3
Clock
4
No Connection
3. Primary and Secondary Expander Chips
This Primary and Secondary Expander
Chips allow the backplane to support dual
ports, cascading, and failover.
2. Primary and Secondary Flash Chips
The Primary and Secondary Flash Chips
enhance the backplane memory.
5. EPP Ports
The EPP ports are used for manufacturer
diagnostic purposes only.
Содержание Supero SC933E1-R760B
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