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
error and informs POST. POST logically maps out the memory with the
uncorrectable error, and the server restarts with the remaining installed memory.
v Menu-driven setup, system configuration, and redundant array of independent
disks (RAID) configuration programs
v 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 light path diagnostics
v Nonmaskable interrupt (NMI) button
v Parity checking on the PCIe buses
v Power management: compliance with Advanced Configuration and Power
Interface (ACPI)
v Power-on self-test (POST)
v Predictive Failure Analysis (PFA) alerts on memory, SAS/SATA hard disk drives
or solid state drives
v Redundant Ethernet capabilities with failover support
v Redundant hot-swap power supplies and redundant hot-swap fans
v Redundant network interface card (NIC) support
v Remind button to temporarily turn off the system-error LED
v Remote system problem-determination support
v ROM-based diagnostics
v ROM checksums
v Serial Presence Detection (SPD) on memory, VPD on system board, power
supply, and hard disk drive or solid state drive backplanes, microprocessor and
memory expansion tray, and Ethernet adapters
v Single-DIMM isolation of excessive correctable error or multi-bit error by the
Unified Extensible Firmware Interface (UEFI)
v Solid-state drives
v Standby voltage for systems-management features and monitoring
v Startup (boot) from LAN through remote initial program load (RIPL) or dynamic
host configuration protocol/boot protocol (DHCP/BOOTP)
v System auto-configuring from the configuration menu
v System-error logging (POST and IMM)
v Systems-management monitoring through the Inter-Integrated Circuit (I2C)
protocol bus
v Uncorrectable error (UE) detection
v Upgradeable POST, Unified Extensible Firmware Interface (UEFI), diagnostics,
IMM firmware, and read-only memory (ROM) resident code, locally or over the
LAN
v Vital product data (VPD) on microprocessors, system board, power supplies, and
SAS/SATA (hot-swap hard disk drive or solid state drive) backplane
v Wake on LAN capability
14 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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