Supermicro SC846BE1C-R1K23B User Manual page 98

SC846 Chassis Manual
C-6 Rear Connector and Pin Definitions
1. and 2. Optional Primary and Secondary
I C Connectors
2
The optional I
the CSE-PTJBOC-CB2 board and are used
to monitor the power supply status and to
control the fans. See the table on the right
for pin definitions.
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 definitions.
4. Primary and Secondary Flash Chips
The primary and secondary flash chips
enhance the backplane memory.
5. Primary and Secondary Expander Chips
This primary and secondary expander chips
allow the backplane to support dual ports,
cascading, and failover.
6. EPP Ports
The EPP ports are used for manufacturer
diagnostic purposes only.
C connectors are connected to
2
Pin#
1
2
3
4
Pin#
C-4
I C Connector
2
Pin Definitions
Definition
Data
Ground
Clock
No Connection
Backplane
Main Power
4-Pin Connector
Definition
1 +12V
2 and 3 Ground
4 +5V