Sas Backplane Board Connectors - Dell PowerEdge HR675 Hardware Owner's Manual

Table 6-2. System Board Jumper Settings
Jumper Setting
NVRAM_CLR
Pins 3-5 (default)
Pins 1-3
PWRD_EN
Pins 2-4 (default)
Pins 4-6

SAS Backplane Board Connectors

CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
The SAS backplane is present in systems that have a front-loading hot-plug
hard drive bay (when available). Figure 6-2 shows the locations of the SAS
backplane connectors.
Description
The configuration settings in NVRAM are
retained at next system boot.
The configuration settings are cleared at the next
system boot. (If the configuration settings
become corrupted to the point where the system
will not boot, install the jumper and boot the
system. Remove the jumper before restoring the
configuration information.)
The password feature is enabled.
The password feature is disabled.
Jumpers and Connectors
171