Power Off The Server; Backplane Replacement; Remove The Front 2.5-Inch Drive Backplane - Lenovo ThinkSystem SR635 V3 User Manual

Power off the server

The server remains in a standby state when it is connected to a power source, allowing the Lenovo XClarity
Controller to respond to remote power-on requests. To remove all power from the server (power status LED
off), you must disconnect all power cables.
Power button location and power LED are specified in:
• Chapter 2 "Server components" on page 17
• "Troubleshooting by system LEDs and diagnostics display" on page 292
To place the server in a standby state (power status LED flashes once per second):
Note: The Lenovo XClarity Controller can place the server in a standby state as an automatic response to a
critical system failure.
• Start an orderly shutdown using the operating system (if supported by your operating system).
• Press the power button to start an orderly shutdown (if supported by your operating system).
• Press and hold the power button for more than 4 seconds to force a shutdown.
When in a standby state, the server can respond to remote power-on requests sent to the Lenovo XClarity
Controller. For information about powering on the server, see

Backplane replacement

Use this information to remove and install a backplane.

Remove the front 2.5-inch drive backplane

Use this information to remove the backplane for ten 2.5 inch hot-swap drives.
About this task
The following describes how to remove the backplane for ten 2.5-inch hot-swap drives. You can remove the
backplane for four or eight 2.5-inch hot-swap drives in the same way.
Attention:
• Read "Installation Guidelines" on page 45
work safely.
• Power off the server and disconnect all power cords for this task.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
Procedure
Step 1. Remove the top cover. See
Step 2. Remove all the installed drives and drive fillers from the drive bays. See
swap drive" on page
ThinkSystem SR635 V3 User Guide
60
and "Safety inspection checklist" on page 46
"Remove the top cover" on page
99.
"Power on the server" on page
212.
"Remove a 2.5-inch hot-
59.
to ensure that you