Crossflashing LSI 9271-8i to Dell Perc H710P possible?

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donald24

New Member
Mar 4, 2018
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I would like to crossflash that controller to the equivalent Dell-version, because of spindown of active configured disks.

There are some differences in the Cachecade mechanism implemented between these two card, but since I don't want to use it anyway, I would not care about loss of functionality.

When I compare the two firmware LSI<->Dell, there is a distinctive difference in the size of the roms.

Dell: 4.7MB, LSI: 8.9MB.

I've read dozen of threads, where you all have been discussing crossflashing HBA to IT mode, but I did not find any info about a successful crossflash of those cards.

May it be, that it's a simple boot to DOS and running the firmware update command?
Or is the "write down SAS-address" and set it back also necessary?

If something goes wrong version/functionality-wise, is there a way back to the old firmware afterwards?

I would be very greatful, if you could point me in the right direction.