X570 Taichi Dual GPU issue

Wizhhh wrote: .

I have issue with dual gpu setup detection with x570 taichi im on latest bios 5.69

CPU 5800X3d
Gpu intel arc B580 + intel arc A750(pcie1 & pcie3)
1 nvme (pcie2), 1 SSD 3HDD all sata connection
Power Supply Thermalright 1000

This issue happened several times up till now, arc A750 not detected in task manager, also device manager display adapter, but show up in hidden devices with code 45. I know its not bad connection with pcie slot because when it was detected it function normally. When its single slot it work normally, both gpu is normal. I just shutdown my pc for a while or turn on in next day it wont show up/ detected.


Strange bios bitfurcation setting, No manual setting for dual 8X and 8X option.


Its like 2 days using dual gpu normally, then suddenly not detaected, reseat gpu unplug cable, uninstal with DDU, Instal driver, and when it want to detected then repeat Its like 2 days using dual gpu normally, then suddenly not detaected, reseat gpu unplug cable, uninstal with DDU, Instal driver, and when it want to detected then repeat.

PC just work normally with B580 while A750 with in hidden devices with code 45.

Please help me sir.

Xaltar wrote: Post created for Wizhhh

Edited by Xaltar - 1 hour 54 minutes ago at 3:38pm