NVIDIA has released a Beta 2 of the P23 BIOS. This BIOS fixes a SATA issue most specifically related to the use of the NCQ function available on some SATA drives. Note this is still a beta BIOS.
BIOS P23 Beta 1 was released to resolve a SATA instability related to signal timings. Additional testing has uncovered a second issue related to the use of NCQ. These fixes have been added to P23 BIOS Beta 2.
EVGA
EVGA