Dell PowerEdge R515 Technical Manual

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Dell PowerEdge R515 Technical Manual Manual pdf 22 page image

Dell22PowerEdge R515 Technical Guide3.12.4 TPMThe TPM is used to generate/store keys, protect/authenticate passwords, and create/store digitalcertificates. TPM can also be used to store the Microsoft® BitLocker™ keys for hard drive encryption featuresin Microsoft® Windows Server® 2008. TPM is enabled through a BIOS option and uses HMAC-SHA1-160 forbinding. In China, the S-TPM (Socket TPM) is used.3.12.5 Power Off SecurityThe control panel is designed such that the power switch cannot be accidentally activated. The lock on thebezel secures the power button behind the bezel. In addition, there is a setting in the CMOS setup thatdisables the power button function.3.12.6 Intrusion AlertA switch inside the chassis is used to detect chassis intrusion. When the system cover is opened, the switchcircuit closes to indicate intrusion. When enabled, the software can provide notification to the customerthat the cover has been opened.3.12.7 Secure ModeBIOS has the ability to enter a secure boot mode through Setup. This mode includes the option to lock outthe power and NMI switches on the Control Panel or to set up a system password.3.13 USB KeyDell does not offer USB keys for factory installation. The PowerEdge R515 supports two internal USBconnectors which can be used for USB keys.3.14 BatteryA replaceable coin cell CR2032 3V battery is mounted on the planar to provide backup power for the Real-Time Clock and CMOS RAM on the SP5100 chip.3.15 Field Replaceable Units (FRU)Parts available for field replacement include: Backplane CMOS battery Expansion card Front bezel HDD I/O panel Memory ODD PDB Power supply Processor Processor shroud System board System cover System fan