Chapter 1.Overview
1.1 Introduction
This document provides backplane specific information including the features, jumper settings,
and pin definitions of 12Gb/s 4-port mini-SAS HD backplane, which is not compatible with the
previous version of SR301 chassis with screw-installed 3.5” HDD trays.
Moreover, it also lists down Chenbro worldwide technical contacts, so the user can contact our
experienced field application engineers via either a phone call or email.
1.2 Chassis Revision
The SR301 chassis has been modified to support both tool-less 3.5” HDD tray and PCI-e 3.0 slot,
and this feature-advanced chassis is named as SR301 Plus (SR301+). There is a sticker on
chassis bottom with the information of chassis revision and manufacturing code, which are must
for technical support.