[MinnowBoard] 64-bit vs 32-bit UEFI - What you need to know!

Roel Jordans r.jordans at tue.nl
Wed Sep 10 08:35:19 UTC 2014


> http://www.elinux.org/Minnowboard:MaxBios#Switching_from_64-bit_to_32-bit
>
> Basically you have to re-flash the firmware with a 32-bit firmware.
> There's a line in the instructions that may confuse some folks,
> specifically using a FirmwareUpdateX64.efi to flash a 32-bit firmware.
> This is because when you go to change the firmware you are running a
> 64-bit firmware, and therefore need a 64-bit EFI program to actually do
> the flashing.
>
> If you want to switch back, you'll do the opposite, use
> FirmwareUpdateIA32.efi to flash a 64-bit firmware.
>

Maybe it's possible to rename those updates (or add some renamed 
updates) to something like FirmwareUpdateIA32to64 or something?  That 
would probably remove most of the cause for confusion here.

  - Roel

> If I've missed something, let me know, I'd rather cover everything we
> can in our documentation.
>
> - John 'Warthog9' Hawley
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