Tech Tips - Lenovo ThinkEdge SE455 V3 User Manual

• Lightpath Diagnostics
Lightpath Diagnostics provides LEDs to help you diagnose problems. For more information about the
Lightpath Diagnostics, see
• Mobile access to Lenovo Service Information website
The server provides a QR code on the system service label, which is on the cover of the server, that you
can scan using a QR code reader and scanner with a mobile device to get quick access to the Lenovo
Service Information website. The Lenovo Service Information website provides additional information for
parts installation, replacement videos, and error codes for server support.
• Active Energy Manager
Lenovo XClarity Energy Manager is a power and temperature management solution for data centers. You
can monitor and manage the power consumption and temperature of Converged, NeXtScale, System x,
ThinkServer, ThinkSystem and ThinkEdge servers, and improve energy efficiency using Lenovo XClarity
Energy Manager.
• 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
The redundant cooling by the fans in the server enables continued operation if one rotor of the fans fails.
• Optional power capabilities
The server supports up to two 1100-watt or 1800-watt power supply units.
• RAID support
The RAID adapter provides hardware redundant array of independent disks (RAID) support to create
configurations. RAID adapter with RAID 0, 1, 10, 5, 50, 6, 60 is available for purchase.
• 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.
• Lenovo XClarity Controllers System Lockdown Mode
System lockdown will be enforced under specific circumstances to protect the server from information
breach, particularly when the server is transported by non-certified carriers to remote environments. See
"System Lockdown Mode" on page 257

Tech Tips

Lenovo continually updates the support website with the latest tips and techniques that you can use to solve
issues that your server might encounter. These Tech Tips (also called retain tips or service bulletins) provide
procedures to work around issues or solve problems related to the operation of your server.
To find the Tech Tips available for your server:
1. Go to
http://datacentersupport.lenovo.com
2. Click on How To's from the navigation pane.
3. Click Article Type ➙ Solution from the drop-down menu.
Follow the on-screen instructions to choose the category for the problem that you are having.
2 ThinkEdge SE455 V3 User Guide
"Troubleshooting by system LEDs and diagnostics display" on page
for details.
and navigate to the support page for your server.
271.