Dell POWEREDGE 1955 - Manual (Page 62)

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Installing System Options
Installing a DRAC/MC Module
1 Ensure that the DRAC/MC module release lever is fully extended. See Figure 3-4.
2 Slide the module into the chassis until it is fully seated.
3 Close the release lever until it snaps securely into place.
4 Reconnect the cables that were attached to the module.
Figure 3-4. Removing and Installing a DRAC/MC Module
Important I/O Configuration Considerations
Ensure that you read the DRAC/MC’s readme.txt file. It contains updated information,
including system indicator behavior in certain conditions.
CAUTION:
Data loss can result if you perform certain actions on a system in which the I/O bays have
not been configured correctly. Specifically, bay 2 should have an I/O module installed only if a module
of the same fabric type is present in bay 1, and bay 4 should have an I/O module installed only if a
module of the same fabric type is present in bay 3. Except in these cases (or in a case where you
temporarily need to swap a failed I/O module in bay 1 or 3), bays 2 and 4 should be unoccupied.
Unless your system is configured according to these guidelines, do not perform any of the following
actions:
• Upgrade DRAC/MC firmware
• Issue a software reset command for a DRAC/MC, such as racadm racreset
1 release tab 2 release lever 3 DRAC/MC module
2
3
1