Z170 Extreme 7+ slow booting after BIOS update

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   The boot time increased from about 20 to 50 seconds after I have updated the BIOS from 2.00 to 2.10. The new ASRock splash screen can be seen for approximately 20 seconds. I am not aware of any hardware changes or driver updates that could have caused any conflicts. To me it seems that the POST process is slowed down extremely for any reason. I would appreciate any help to resolve this issue. Should I wait for the next BIOS update or downgrade to the old version or reset the CMOS?
Best regards,
Holger

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hstumvoll Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Dec 2015 Status: Offline Points: 4	Post Options Post Reply Quote hstumvoll Report Post Thanks(0) Quote Reply Topic: Z170 Extreme 7+ slow booting after BIOS update Posted: 31 Dec 2015 at 12:51am
	The boot time increased from about 20 to 50 seconds after I have updated the BIOS from 2.00 to 2.10. The new ASRock splash screen can be seen for approximately 20 seconds. I am not aware of any hardware changes or driver updates that could have caused any conflicts. To me it seems that the POST process is slowed down extremely for any reason. I would appreciate any help to resolve this issue. Should I wait for the next BIOS update or downgrade to the old version or reset the CMOS? Best regards, Holger

hstumvoll Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Dec 2015 Status: Offline Points: 4	Post Options Post Reply Quote hstumvoll Report Post Thanks(0) Quote Reply Posted: 16 Jan 2016 at 1:18am
	Just a short update: With BIOS 2.31 Beta the boot time could be reduced back to 18-20 seconds. It seems that this version has been optimized for my Samsung SSD 950 Pro. Therefore I am totally satisfied now with regard to speed. There is only one strange thing: The M.2 slot with this SSD is still not listed in the BIOS. So there is further room for improvement.

peroni Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Dec 2015 Status: Offline Points: 65	Post Options Post Reply Quote peroni Report Post Thanks(0) Quote Reply Posted: 16 Jan 2016 at 2:21am
	The beta bios has been made to support specifically the 950 pro. Are you saying it still does not show up anywhere in UEFI? On my Z170 PRO4 board with a bios dated back in November the 950 pro shows up if I enable CSM Edited by peroni - 16 Jan 2016 at 2:46am
	Z170 PRO4 i5 6600 2x8GB Corsair DDR3000 SSD 950 Pro (OS) 850 Evo (data) GTX 960 4GB 2x LCD