D-3
Safety Information and Technical Specifications
D-5 Front Connector and Pin Definitions
#6. Primary and Secondary Flash Chips
The Primary and Secondary Flash Chips
enhance the backplane memory.
2. EPP Ports
The EPP ports are used for manufacturer
diagnostic purposes only.
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
4. Primary and Secondary Expander Chips
This Primary and Secondary Expander
Chips allow the backplane to support dual
port, cascading, and failover configura-
tions.
Summary of Contents for SC826E1-R800LP
Page 35: ...4 17 Chapter 4 Chassis Setup and Maintenance Figure 4 14 Placing the System Fan ...
Page 46: ...SC826 Chassis Manual 5 8 Notes ...
Page 50: ...SC826 Chassis Manual A 4 Notes ...
Page 52: ...SC826 Chassis Manual B 2 Notes ...
Page 85: ...D 22 Appendix D SAS 826EL Backplane Specifications Notes ...