Table 8. Components on the server models side view (continued)
8 RAID flash power module holder
17 DIMM slots
9 Firmware and RoT security module
Front I/O module
The front I/O module of the server provides controls, connectors, and LEDs. The front I/O module varies by
model.
The following illustrations show the front I/O module for different server models. To locate the front I/O
module, see
Chapter 2 “Server components” on page 15.
Figure 8. Front I/O module
Table 9. Components on the front I/O module
Callout Callout
1 Power button/LED (green) 5 System error LED (yellow)
2 Drive activity LED (green)
Note: For onboard SATA indication only
6 USB 2.0 connector with Lenovo XClarity Controller
management
3 Network activity LED (green)
Note: For onboard LAN indication only
7 USB 3.2 Gen 1 connector
4 System ID button/LED (blue)
1 Power button/LED (green)
You can press the power button to turn on the server when you finish setting up the server. You can also hold
the power button for several seconds to turn off the server if you cannot turn off the server from the operating
system. See “Power on the server” in User Guide or Hardware Maintenance Guide for more information. The
power status LED helps you determine the current power status.
Status Color
Description
Solid on Green
The server is on and running.
Slow blinking
(about one flash
per second)
Green The server is off and is ready to be powered on (standby state).
Fast blinking
(about four
flashes per
second)
Green The server is off, but the XClarity Controller is initializing, and the server is not ready
to be powered on.
Off
None There is no ac power applied to the server.
Chapter 2. Server components 23
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