The Ethernet controllers in the server support TOE, which is a technology thatoffloads the TCP/IP flow from the microprocessor and I/O subsystem toincrease the speed of the TCP/IP flow. When an operating system that supportsTOE is running on the server and TOE is enabled, the server supports TOEoperation. See the operating-system documentation for information aboutenabling TOE.Note: As of the date of this document, the Linux operating system does notsupport TOE.v UEFI-compliant server firmwareThe UEFI firmware offers several features, including Unified ExtensibleFirmware Interface (UEFI) version 2.1 compliance, Active Energy Management(AEM) technology, enhanced reliability, availability, and serviceability (RAS)capabilities, and basic input/output system (BIOS) compatibility support. UEFIreplaces the BIOS and defines a standard interface between the operatingsystem, platform firmware, and external devices. The server is capable ofbooting UEFI-compliant operating systems, BIOS-based operating systems, andBIOS-based adapters as well as UEFI-compliant adapters. For more informationabout UEFI-compliant firmware, go to http://www.ibm.com/systems/support/supportsite.wss/docdisplay?lndocid=MIGR-5083207&brandind=5000008.Note: The server does not support DOS.v VMware ESXi embedded hypervisorAn optional USB flash device with VMware ESXi embedded hypervisor softwareis available for purchase. Hypervisor is virtualization software that enablesmultiple operating systems to run on a host system at the same time. Install theUSB flash device in the USB embedded hypervisor flash device connectors onthe system board (see “System-board internal connectors” on page 26). See“Using the embedded hypervisor” on page 138 for additional information.Reliability, availability, and serviceabilityThree important computer design features are reliability, availability, andserviceability (RAS). The RAS features help to ensure the integrity of the data thatis stored in the server, the availability of the server when you need it, and the easewith which you can diagnose and correct problems.Your server has the following RAS features:v 3-year parts and 3-year labor limited warranty (Machine Type 8722)v 24-hour support centerv Automatic error retry and recoveryv Automatic restart on nonmaskable interrupt (NMI)v Automatic restart after a power failurev Backup basic input/output system switching under the control of the integratedmanagement module (IMM)v Built-in monitoring for fan, power, temperature, voltage, and power-supplyredundancyv Cable-presence detection on most connectorsv Chipkill memory protectionv Single-device data correction (SDDC) for x4 DRAM technology DIMMs(available on 16 GB DIMMs only). Ensures that data is available on a single x4DRAM DIMM after a hard failure of up to two DRAM DIMMs. One x4 DRAMDIMM in each rank is reserved as a space device.v Diagnostic support for ServeRAID and Ethernet adaptersChapter 1. The System x3750 M4 Types 8722 and 8733 server 13
