Ditto, please *never* cross-flash "similar" boards. I've had people who were 
new to firmware development come up to me during conferences say they fried 
their boards by doing so (and had no idea why).

On 16/06/2026 14:48, Florian Jung via coreboot wrote:
> Hi Keshavamurthy,
>
> Am 16.06.26 um 14:12 schrieb Keshavamurthy K [Firmware-NTL] via coreboot:
>> Would it be safe and appropriate to flash a Coreboot ROM generated from the 
>> ADL_RVP configuration directly onto the Intel ADL RVP DDR5 board for early 
>> testing, or would you recommend first creating a dedicated mainboard port 
>> and adapting the GPIO, memory, PCIe, and board-specific configuration before 
>> attempting any flashing?
>
> You absolutely need to adapt GPIO configuration. Not doing so may cause 
> permanent hardware damage, if GPIOs are mismatched in a way that your 
> firmware drives a GPIO pin while it's externally driven, too.
>
> There should not be any dangerous issues because of memory or PCIe-related 
> configuration, but you can also not expect that it'll just work.
>
> I'd do the porting beforehand, you'll need to do it anyway.
>
> Best,
> Florian
>
>
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