Lenovo ThinkSystem SR645 V3 - Power on and Power off the Server; Power on the Server; Power off the Server

Front
bays
Max. Ambient
Temp. (at sea level)
Processor TDP
(watts)
Heat sink Fan type Max.
DIMM
Qty.
30°C 240 ≤ TDP ≤ 300 1U performance Performance 24
• 10 x
2.5"
35°C 200 ≤ TDP ＜ 240 1U performance Performance 24
30°C 200 ≤ TDP ＜ 240 1U performance Performance
24
30°C 240 ＜ TDP ≤ 300 1U performance Performance 24
Power on and power off the server
Follow the instructions in this section to power on and power off the server.
Power on the server
After the server performs a short self-test (power status LED flashes quickly) when connected to input power,
it enters a standby state (power status LED flashes once per second).
Power button location and power LED are specified in:
•
Chapter 2 “Server components” on page 13
• “Troubleshooting by system LEDs and diagnostics display” on page 186
The server can be turned on (power LED on) in any of the following ways:
• You can press the power button.
• The server can restart automatically after a power interruption.
• The server can respond to remote power-on requests sent to the Lenovo XClarity Controller.
For information about powering off the server, see
“Power off the server” on page 44.
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 13
• “Troubleshooting by system LEDs and diagnostics display” on page 186
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
“Power on the server” on page 44.
44
ThinkSystem SR645 V3 User Guide