14 PowerEdge R320 Technical GuideFigure 6. QRL locationThis QRL code allows you to: View step-by-step videos, including overviews of system internals and externals, as well asdetailed, concise, task-oriented videos and installation wizards Locate reference materials, including searchable owner’s manual content, LCD diagnostics andan electrical overview Look up your service tag so you can quickly gain access to your specific hardware configurationinfo and warranty information Contact Dell directly (by link) to get in touch with technical support and sales teams and providefeedback to DellThese codes provide an easy way to retrieve the critical support information you need when youneed it, making you more efficient and effective in managing your hardware.Security featuresThe latest generation of PowerEdge servers has the features listed in Table 5 to help ensure thesecurity of your data center.Table 5. Security featuresSecurity feature DescriptionCover latch A tooled latch is integrated on the top cover with a coin key lock to secure thesystem.BezelAn optional metal bezel is mounted to the chassis front to provide the Dell ID. Alock on the bezel is used to protect un-authorized access to hard drives. Systemstatus is viewable on the LCD screen when the bezel is installed.TPMThe Trusted Platform Module (TPM) is used to generate/store keys,protect/authenticate passwords, and create/store digital certificates. It alsosupports the Intel Xeon TXT functionality. TPM can also be used to enable theBitLocker™ hard drive encryption feature in Windows Server 2008. TPM 1.2 issupported. No TPM version is available for China or Russia.Power-off security BIOS has the ability to disable the power button function.Intrusion alert An internal switch is used to detect chassis intrusion.Secure modeBIOS has the ability to enter a secure boot mode through system setup. Thismode includes the option to lock out the power and NMI switches on thecontrol panel or set up a system password.