support.del l.com Dell PowerEdge6300and 4x00SystemsSCSI BackplaneOption 1-1
Dell™ PowerEdge™6300 and 4x00 Systems SCSI Backplane Option
This document describes the optional small computersystem interface (SCSI) back-
planef or the Dell PowerEdge6300 and 4x00 systems.
The1 x 8 SCSI backplane provides hot-pluggable Ultra2/LVDSCSI connections for up
toeight 1-inch hard-disk drives in the system’sinternal drive compartment. Except for
theadded SCSI connections provided on the board, the 1 x 8 backplane isidentical to
the1 x 6 backplane in features and functionality (for example, the cable connectors on
bothbackplanes are identical). For a description of the SCSI backplane, refer to your
systemUser’s Guide and Installation and Troubleshooting Guide.
NOTE:Before you install the 1 x 8 backplane, verify that your system chassis supports
it. Checkthe back of your system fora label (located between the connectors and the
first powersupply) that specifies that your chassis supports the 1 x 8 backplane. If you
donot find a label, you may not be able to use the 1 x 8 backplane in your system
chassis.Cont act yourDell representative for further information and instructions.

Installing a SCSI Backplane

WARNING: The power supplies in this computer system produce high volt-
ages and energy hazards, which can cause bodily harm. Only trained
service technicians are authorized to remove the computer cover and
access any of the components inside the computer.
NOTE:You can use only 1-inchhard-disk drives with the 1 x 8 backplane. You
cannot use 1.6-inchhard-disk drives with the 1 x 8 backplane.To work with the
1x 8 backplane, you need to convertthe drive carriers to the1-inch width byremoving
thespacer insert that fastens to each carrier adjacent to the carrier release handle.
Toreplace a SCSI backplane board with a differentbackplane board, perform the fol-
lowingsteps.