Hardware User's Guide

12 Intel® RAID Controller RS25NB008 Hardware User’s Guide
Table 1. Jumper Description
s
Jumper/
Connector
Type Description
J1A2 Global Drive Fault LED header 2-pin connector Connects to an LED that
indicates whether a drive is in a fault
condition.
J1A1 Write-pending LED header 2-pin connector Connects to an LED that
indicates when the data in the cache has
yet to be written to the storage devices.
Used when the write-back feature is
enabled.
J4A2 Factory Test header 2-pin connector Reserved for factory use.
J2A1 Activity LED header 2-pin connector Connects to an LED that
indicates activity on the drives connected to
the controller.
J2A2 Factory test header 2-pin connector reserved for factory use.
J4A1 Serial EEPROM 2-pin connector
Provides controller information, such as the
serial number, revision, and manufacturing
date. The default is no shunt installed.
J1A3 x4 SAS Ports 0-3 external
connector
SFF-8088 mini SAS 4e external connector
Connects the controller by cable to SAS
drives or SATA 2 drives.
J1B1 x4 SAS Ports 4-7 external
connector
SFF-8088 mini SAS 4e external connector
Connects the controller by cable to SAS
drives or SATA 2 drives.
J2A3 Advanced Software Hardware
Key Header
3-pin header Enables support for selected
advanced features, such as recovery,
Supersized cache, FastPath, and full disk
encryption.
J2B1 Standard edge card connector The RAID controller interfaces with the host
system though a standard edge card. This
interface provides power to the board and
an I2C interface connected to the I2C bus
for IPMI.
J5A2 UART connector for the
expander
4-pin connector Reserved for factory use.
J5B1 Board-to-board Connector for
the memory board
Provides an interface to the memory board
that contains 1GB 1333 MHz DDR3
memory.
The memory board can be connected to an
optional Intel
®
RAID Smart Battery
AXXRSBBU9.
J6A1 UART connector for the
expander
4-pin connector Reserved for factory use.