BIOS-based adapters as well as UEFI-compliant adapters. For more information
about UEFI-compliant firmware, go to http://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-5083207.
Note: The server does not support DOS.
v VMware ESXi embedded hypervisor
An optional USB flash device with VMware ESXi embedded hypervisor software
is available for purchase. Hypervisor is virtualization software that enables
multiple operating systems to run on a host system at the same time. Install the
USB flash device in the USB embedded hypervisor flash device connectors on
the system board (see “System-board internal connectors” on page 28). See
“Using the embedded hypervisor” on page 155 for additional information.
Reliability, availability, and serviceability
This information lists the server reliability, availability, and serviceability features.
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:
v 3-year parts and 3-year labor limited warranty (Machine Type 8722)
v 24-hour support center
v Automatic error retry and recovery
v Automatic restart on nonmaskable interrupt (NMI)
v Automatic restart after a power failure
v Backup basic input/output system switching under the control of the integrated
management module (IMM)
v Built-in monitoring for fan, power, temperature, voltage, and power-supply
redundancy
v Cable-presence detection on most connectors
v Chipkill memory protection
v Single-device data correction (SDDC) for x4 DRAM technology DIMMs
(available on 16 GB DIMMs only). Ensures that data is available on a single x4
DRAM DIMM after a hard failure of up to two DRAM DIMMs. One x4 DRAM
DIMM in each rank is reserved as a space device.
v Diagnostic support for ServeRAID and Ethernet adapters
v Error codes and messages
v Error correcting code (ECC) L3 cache and system memory
v Full Array Memory Mirroring (FAMM) redundancy
v Hot-swap cooling fans with speed-sensing capability
v Hot-swap hard disk drives
v Hot-swap power supplies
v Information and light path diagnostics LED panels
v Integrated management module (IMM)
v Light path diagnostics LEDs for DIMMs, microprocessors, hard disk drives, solid
state drives, power supplies, and fans
v Memory mirroring and memory sparing support
v Memory error correcting code and parity test
v Memory downsizing (non-mirrored memory). After a restart of the server after
the memory controller detects a non-mirrored uncorrectable error and the
memory controller cannot recover operationally, the IMM logs the uncorrectable
14 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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