Driver Details

Dell CMC, v.3.21, A00

Chassis Management Controller (CMC) Version 3.21

Fixes & Enhancements

Fixes and Enhancements in version 3.21

* Support for PowerEdge M915 Modular Server.

Fixes and Enhancements in version 3.20

* Resolves a vulnerability in CMC3.0 and CMC3.1 firmware versions,
which can allow a non-Administrator user to perform Administrator
operations over the WS-MAN interface.

* Firmware update of server component(s) across multiple servers in the
chassis using Lifecycle Controller.

* Extended Non-Volatile (persistent) Storage, using 2 GB Secure Digital
(SD) media in the CMC card slot(s).

* Power Cap can be set to 16685W AC.

* Chassis Group Quick Launch and Single-Sign On (SSO) from the leader
to iDRAC GUI and KVM.

* Support for the following new hardware:
* QLogic QME8242-k CNA Mezz Card
* PowerConnect M8024-k 10Gb Ethernet Switch
* Dell 10Gb Ethernet Pass Through -k
* QLogic QMD8252-k CNA NDC
* Broadcom 57712-k NDC

* Support for remote management of MAC addresses.


Version 3.21, A00


Chassis System Management

Release date

24 May 2011

Last Updated

07 Jul 2012



Available formats

File Format:Hard-Drive
File Name:CMC3_21_A00.exe
Download Type:HTTP
File Size: 32MB
Format DescriptionThis file format consists of an archive of files that may be decompressed to a directory on the hard drive. The installation can then be done from that directory.
To ensure the integrity of your download, please verify the checksum value.
Not available
Not available
File Format:Rel-Notes-Text
File Name:CMC3_21_A00_README.TXT
Download Type:HTTP
File Size: 8KB
Format DescriptionThis file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
Not available
Not available

By downloading, you accept the terms of the Dell Software License Agreement.

Compatible Systems

Supported Operating Systems

Not Applicable

Applies to


Installation instructions

Instructions for CMC3_21_A00_README.TXT:

1) Click Download now.
The File Download window appears.

2) Click the Save button.
The Save As window appears.

3) Select Desktop using the drop-down menu to the right of Save in.

4) Click the Save button.
A progress meter moves as the download is completed.

5) If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

6) Double click the Icon on your desktop for the newly saved file.
The Dell Bios Release Notes window appears.

Instructions for CMC3_21_A00.exe

1. Click the Download Now link to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Extract Files
1. Browse to the location where you downloaded the file and double-click the new file to unzip the download package.
2. Specify the location to unzip the files.
3. Click on the unzip button to extract files.

My Download List-#1 (0 )

Drivers help and tutorials

Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.​

My download lists

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Learn more
This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).