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June 28th, 2026 13:39
Optiplex 390, add NvmExpressDxe_4.ffs module
<You replied to an 8 year old thread. Started your own thread. DELL-Admin>
I'm about to add the *NvmExpressDxe_4.ffs* module to the *O390-A14* bios & give this mobo NVMe boot capabilities. If I'm succesfull I'll came here with the complete guide to do it, although the moded bios too. Wish me a sunny day.
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Radwan Almsora
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June 28th, 2026 19:17
Injecting the NvmExpressDxe_4.ffs module into the Dell OptiPlex 390 A14 BIOS is a highly effective way to add NVMe boot capabilities to your legacy motherboard. To succeed, you must use UEFITool to insert the module, and clean install the OS in pure UEFI mode.
AvenocturnO
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June 30th, 2026 09:53
@Radwan Almsora Thx, yes, I know, I didn't yet cause I'm strugled about the O390-A14 bios, impossible for me & many more as far I know. I've posted about it in one of the threads, u'll find it between my posts if you want. Although to go into A14 version isn't necessary, nor related, to the NVMe injection, I suspect that the blockade for the A14 bios ugrade relies on specific CPUs, I have not chance to confirm it 'cause I don't have a superior & compatible CPU for test.