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The Lenovo XClarity Controller is the common management controller for Lenovo Lenovo ThinkSystem
server hardware. The Lenovo XClarity Controller consolidates multiple management functions in a single
chip on the server system board.
Some of the features that are unique to the Lenovo XClarity Controller are enhanced performance, higher-
resolution remote video, and expanded security options. For additional information about the Lenovo
XClarity Controller, see:
http://sysmgt.lenovofiles.com/help/topic/com.lenovo.systems.management.xcc.doc/product_page.html
• UEFI-compliant server firmware
Lenovo ThinkSystem firmware is Unified Extensible Firmware Interface (UEFI) 2.5 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.
• 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 TruDDR4 registered DIMMs (RDIMMs) and Persistent Memory Modules (PMEM). For
more information about the specific types and maximum amount of memory, see "Specifications" on page
3.
• Integrated Trusted Platform Module (TPM)
This integrated security chip performs cryptographic functions and stores private and public secure keys.
It provides the hardware support for the Trusted Computing Group (TCG) specification. You can
download the software to support the TCG specification.
Note: For customers in Chinese Mainland, TPM is not supported. However, customers in Chinese
Mainland can install a TPM card (sometimes called a daughter card).
• Large data-storage capacity and hot-swap capability
Some server models support a maximum of thirty-two 2.5-inch hot-swap drives, sixteen 3.5-inch hot-
swap drives, or twelve 3.5-inch simple-swap drives.
For server models supporting the hot-swap feature, you can add, remove, or replace drives without
turning off the server.
• Mobile access to Lenovo Service Information website
The server provides a QR code on the system service label, which is on the inside of the server cover, that
you can scan the QR code with a mobile device and a QR code reader application to get quick access to
the Lenovo Service Information website. The Lenovo Service Information web site provides additional
information for parts installation, replacement videos, and error codes for server support.
• Redundant networking connection
The Lenovo XClarity Controller provides failover capability to a redundant Ethernet connection with the
applicable application installed. If a problem occurs with the primary Ethernet connection, all Ethernet
traffic that is associated with the primary connection is automatically switched to the optional redundant
Ethernet connection. If the applicable device drivers are installed, this switching occurs without data loss
and without user intervention.
• Redundant cooling and power capabilities
ThinkSystem ST650 V2 Setup Guide
2
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