Cisco UCS B420 M3 High Performance Blade Server
For full service and installation instructions, see the Cisco UCS B420 M3 High Performance Blade Server
Installation and Service Note. You can install up to four UCS B420 M3 High Performance Blade Servers to
a chassis.
Figure 8: Cisco UCS B420 M3
Power button and LED8Hard drive bay 11
Network link status LED9Hard drive bay 22
Blade health LED10Hard drive bay 33
Console connector11Hard drive bay 44
Reset button access12Left ejector handle5
Beaconing LED and button13Asset tag
3
6
Right ejector handle7
3
Each server has a blank plastic asset tag that pulls out of the front panel, provided so you can add your own asset tracking label without interfering with the
intended air flow.
LEDs
The LED indicators indicate whether the blade server is in active or standby mode, the status of the network
link, the over all health of the blade server, and whether the server is set to give a flashing blue beaconing
indication. See Interpreting LEDs, on page 36 for details.
The removable hard disks also have LEDs indicating hard disk access activity and hard disk health.
Buttons
The Reset button is just inside the chassis and must be pressed using the tip of a paper clip or a similar item.
Hold the button down for five seconds and then release it to restart the server if other methods of restarting
are not working.
Cisco UCS 5108 Server Chassis Installation Guide
15
Overview
Cisco UCS B420 M3 High Performance Blade Server
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