Depends on the package used it may be possible to reprogram the UEFI chip in situ with test clips[1]. But of course one will still need to acquire a reprogrammer and a know good copy of firmware.<p>[1]<a href="https:&#x2F;&#x2F;www.digikey.com&#x2F;product-search&#x2F;en&#x2F;test-and-measurement&#x2F;test-clips-ic&#x2F;2294786" rel="nofollow">https:&#x2F;&#x2F;www.digikey.com&#x2F;product-search&#x2F;en&#x2F;test-and-measureme...</a>