Hi,
I came across a presentation : 
http://www.uefi.org/learning_center/UPFS11_P6_OptionROM_AMI.pdf . The 
presentation calls out that the UEFI option ROM will only be executed for 
devices in the boot path. What does that mean? Also, that the OS Driver 
cannot assume the UEFI  OpROM has been executed. Again, can some one 
elaborate on this.

I have a PCIe card with an option ROM on it. I was able to flash a simple 
efi driver onto it that just prints a message out. I see the option ROM 
code always executing prior to the OS loading.

Thanks!
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