Your server implements the following features and technologies:
• Features on Demand
If a Features on Demand feature is integrated in the server or in an optional device that is installed in the
server, you can purchase an activation key to activate the feature. For information about Features on
Demand, see:
https://fod.lenovo.com/lkms
• Lenovo XClarity Controller (XCC)
The server supports Lenovo XClarity Controller 2 (XCC2). For additional information about Lenovo XClarity
Controller 2 (XCC2), refer to
https://sysmgt.lenovofiles.com/help/topic/lxcc_frontend/lxcc_overview.html.
With different versions, the Lenovo XClarity Controller is the common management controller for Lenovo
ThinkSystem server hardware. The Lenovo XClarity Controller consolidates multiple management
functions in a single chip on the server system board (system board assembly). Some of the features that
are unique to the Lenovo XClarity Controller are enhanced performance, higher-resolution remote video,
and expanded security options.
• UEFI-compliant server firmware
Lenovo ThinkSystem firmware is Unified Extensible Firmware Interface (UEFI) compliant. UEFI replaces
BIOS and defines a standard interface between the operating system, platform firmware, and external
devices.
Lenovo ThinkSystem servers are capable of booting UEFI-compliant operating systems, BIOS-based
operating systems, and BIOS-based adapters as well as UEFI-compliant adapters.
Note: The server does not support Disk Operating System (DOS).
• Active Memory
The Active Memory feature improves the reliability of memory through memory mirroring. Memory
mirroring mode replicates and stores data on two pairs of DIMMs within two channels simultaneously. If a
failure occurs, the memory controller switches from the primary pair of memory DIMMs to the backup pair
of DIMMs.
• Large system-memory capacity
The server supports synchronous dynamic random-access memory (SDRAM) registered dual inline
memory modules (DIMMs) with error correcting code (ECC). For more information about the specific types
and maximum amount of memory, see
“Technical specifications” on page 5.
• Integrated network support
The server comes with an integrated 1-port Gigabit Ethernet controller with RJ-45 connector, which
supports connection to a 1000 Mbps network.
• Large data-storage capacity and hot-swap capability
Some server models support a maximum of thirty-two 2.5-inch hot-swap drives or sixteen 3.5-inch hot-
swap drives.
With the hot-swap feature, hard disk drives can be added, removed, or replaced without turning off the
server.
• Lightpath Diagnostics
Lightpath Diagnostics provides LEDs to help you diagnose problems. For more information about the
Lightpath Diagnostics, see
“System LEDs and diagnostics display” on page 31.
• Mobile access to Lenovo Service Information website
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ThinkSystem ST650 V3 System Configuration Guide
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