Internal Components - Cisco UCS B200 M3 Installation And Service Note

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Internal Components

Figure 9: Inside View of the B200 M3 Blade Server

Hard drive bays

Battery

DIMM slots

Modular LOM (shown installed)

Diagnostics Button and LEDs

At blade start-up, POST diagnostics test the CPUs, DIMMs, HDDs, and adapter cards, and any failure notifications are sent to UCS

Manager. You can view these notifications in the System Error Log or in the output of the show tech-support command. If errors

are found, an amber diagnostic LED also lights up next to the failed component. During run time, the blade BIOS, component drivers,

and OS all monitor for hardware faults and will light up the amber diagnostic LED for a component if an uncorrectable error or

correctable errors (such as a host ECC error) over the allowed threshold occur.

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 causes 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, which is viewable using the UCS Manager GUI or CLI. UCS blade servers require specific rules to be followed when

Internal USB connector

Cisco UCS-USBFLSH-S-4GB= is recommended, but

if another USB drive will be used it must be no wider

than .8 inches, and no more than 1.345 inches long in

order tp provide needed clearances to install or remove

the USB drive.

CPU and heat sink

Diagnostic button

Adapter card connector (Adapter not shown installed)

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