I've scoured Dell's forums, FTPs and Googled this but have yet to find the file.
Here is a link to the download
Once you install the file to the non-active image, you will then update the boot code per the instructions. That update of the Boot Code will look in the same install for the boot code to match that firmware
NOTE: You cannot upload and download Boot-ROM files to a TFTP server using the CLI. You must use a direct terminal connection to the switch's console port and press <Ctrl><f> after the diagnostic test results. See "Downloading Firmware Through the Console Port."
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Daniel - thanks for the link, but I'm still not getting something right. I'm able to update the firmware to 184.108.40.206 by uploading and changing the operation code file but the boot-rom code is still 220.127.116.11. It looks to be from a file named diag1000 which is also set as a startup file. I don't see any other files I change/upload and then set as a startup file that are roughly the same size. Your link only appears to contain the 18.104.22.168 firmware or I'm doing this in an incomplete fashion. Your directions are somewhat cryptic to me, sorry.
You are going to need to follow these instructions step by step.
And on step 10 choose d for diagnostic code.
• After the file has been downloaded, press <r> for runtime code or <d> for diagnostic code when Update Image File: appears.
The one firmware download should contain both boot and diag code in it.
Keep us updated,
I've done both <r> and <d> at this point. If I choose <d> and name the new file XXXXX and set it as the startup file, the boot rom is not updated and the boot diagnostics test messages look different and ctrl <f> no longer works. I then have to go into the CLI and set the boot rom back to the previous file (diag1000) and everything works as before.
Once I choose <r> or <d> I can't get back to that menu option without going through the firmware download process again.
Lets instead try this through the web gui, see if we get any different outcome.
From the Firmware page, you can configure the system to download a new version of the management software. The switch can contain two software code files, one of which is set as the Start-Up file. This allows you to try a new version of the software without overwriting the previous version.
The Firmware page contains the following fields:
It also contains the following editable fields: