Cisco UCS B250 M1 Note d'installation et d'entretien - Page 18
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Working Inside the Extended Memory Blade Server
S e n d d o c u m e n t c o m m e n t s t o u c s - d o c f e e d b a c k @ c i s c o . c o m
LED states are saved, and if you remove the blade from the chassis the LED values will persist for up to
10 minutes. Pressing the LED diagnostics button on the motherboard will cause the LEDs that currently
show a component fault to light for up to 30 seconds for easier component identification. LED fault
values are reset when the blade is reinserted into the chassis and booted, and the process begins from its
start.
If DIMM insertion errors are detected, they may cause the blade discovery to fail and errors will be
reported in the server POST information, viewable using the UCS Manager GUI or CLI. UCS blade
servers require specific rules to be followed when populating DIMMs in a blade server, and the rules
depend on the blade server model. Refer to the documentation for a specific blade server for those rules.
HDD status LEDs are on the front face of the HDD. Faults on the CPU, DIMMs, or adapter cards will
also cause the server health LED to light solid Amber for minor error conditions or blinking Amber for
critical error conditions.
Working Inside the Extended Memory Blade Server
This section describes how to perform the following tasks within a extended memory blade server. All
of these procedures require you to first remove the server from the chassis, and then remove the cover.
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Installing a Motherboard CMOS Battery
This blade uses the following Cisco component:
Supported Components
CR2032 battery
Warning
There is danger of explosion if the battery is replaced incorrectly. Replace the battery only with the
same or equivalent type recommended by the manufacturer. Dispose of used batteries according to
the manufacturer's instructions.
Statement 1015
To install or replace a motherboard complementary metal-oxide semiconductor (CMOS) battery, follow
these steps:
Remove a motherboard CMOS battery:
Step 1
a.
b.
c.
Cisco UCS B250 Extended Memory Blade Server Installation and Service Note
18
Installing a Motherboard CMOS Battery, page 18
Installing a CPU or Heat Sink, page 21
Installing Memory, page 22
Removing or Installing an Adapter Card, page 30
Set the blade power to standby, remove it from the chassis, and remove the top cover as described
in the
"Working Inside the Extended Memory Blade Server" section on page
Press the battery socket retaining clip toward the chassis wall (see
Lift the battery from the socket. Use needle-nose pliers to grasp the battery if there is not enough
clearance for your fingers.
Part Number
N20-MBLIBATT
Figure
18.
9).
OL-22474-03