Signal
GNT5#/GPIO17#, GNT4#/GPIO48 Usage
Boot BIOS Destination Selection When Sampled
Rising Edge of PWROK Comment
This field determines the destination of accesses to the BIOS memory range. Signals have weak internal pull-ups. Also controllable via Boot BIOS Destination bit (Chipset Configuration Registers:Offset 3410h:bit 11:10) (GNT5# is MSB)
01 = SPI (Desktop and Mobile Only)
10 = PCI
11 = LPC