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Reliability, availability, and serviceability

Three important computer design features are reliability, availability, and serviceability (RAS). The RAS features help to ensure the integrity of the data that is stored in the server, the availability of the server when you need it, and the ease with which you can diagnose and correct problems.

Your server has the following RAS features:
  • 1-year parts and 1-year labor limited warranty (Machine Type 8689 and 5495)
  • Backup basic input/output system switching under the control of the TMM
  • Built-in monitoring for fan, power, temperature, voltage, and power-supply redundancy
  • Diagnostic support for RAID and Ethernet adapters
  • Error codes and messages
  • Error correcting code (ECC) and system memory
  • Cooling fans with speed-sensing capability
  • Hot-swap hard disk drives
  • Memory error correcting code and parity test
  • Microprocessor built-in self-test (BIST), internal error signal monitoring, internal thermal trip signal monitoring, configuration checking, and microprocessor and voltage regulator module failure identification through diagnostics
  • Parity checking on the PCIe buses
  • Power management: compliance with Advanced Configuration and Power Interface (ACPI)
  • Power-on self-test (POST)
  • Redundant hot-swap power supplies
  • Serial Presence Detection (SPD) on memory, VPD on system board, and power supply
  • Single-DIMM isolation of excessive correctable error or multi-bit error by the Unified Extensible Firmware Interface (UEFI)
  • Upgradeable Unified Extensible Firmware Interface (UEFI), TMM firmware, and read-only memory (ROM) resident code, locally or over the LAN
1 Racks are measured in vertical increments of 4.45 cm (1.75 inches) each. Each increment is called a "U." A 1-U-high device is 1.75 inches tall