Additionally, I was able to access both chips provided from GIGABYTE's DualBIOS feature with a 1-line patch, enabling this board's specific ITE Super I/O chip to be probed:

diff --git a/it87spi.c b/it87spi.c

index 5f6fb65..bd2f7bc 100644

--- a/it87spi.c

+++ b/it87spi.c

@@ -449,6 +449,7 @@ int init_superio_ite(void)

case 0x8705:

ret |= it8705f_write_enable(superios[i].port);

break;

+ case 0x8688:

case 0x8716:

case 0x8718:

case 0x8720:

On Oct 30 2021, at 11:52 am, melvyn2 <melvyn2@brcok.tk> wrote:

I was successfully able to flash OEM and modified firmwares using the internal programmer of the GIGABYTE Z390 AORUS MASTER mainboard. I was also able to consistently read and verify firmware from the mainboard. Attached is a verbose log of the programmer probe.