X399 Taichi Initialing/Boot problems and slow BIOS

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   Hello guys,

first off: english isnt my native language. But I try do do my best...

Following Problem startet 2 days ago (after 5 super smooth days of working):

When starting the Pc the AsRock Picture is about 5 minutes on display. After These 5 minutes the Windows Picture apears and I have to wait another 5 minutes before Password entering.
Sometimes the screem remains black after the AsRock Picture.

After that, the System works fine.

My hardware:
1920x @ Stock @ watercooled @ 42°idle @ 55°prime95(nonAVX)
32gb Trident Z (Samsung Bdie) @3200 quadchannel@14,14,14
R390 Powercolor PCS+
850W Corsair HXi
X399 Asrock Taichi
250 SSD BX300 SATA (Windows)
500gb 970 evo M.2 (Working space)
2Tb WD blue 
3Tb Seagate idk

What I've already tested:

- removing all hhds
- Bios Reset
- 5 Minutes cut off from power supply
- trying RAM@auto (2133mhz), only 1x8gb installed
- switching the 1x8gb in other ports and trying different storage
- Checked every power connector
- BIOSFlash from 3.20 to 3.30

Nothing helped.

The BIOS is very laggy and reacts with 2 seconds delay.
The DEBUGG display shows A0 and A2 for about 20 seconds. This is when I started to think its a mainboard problem.

I disconected every SATA device so no bootable medium was connected.
Still the same slow response/start.

Finally I deactivated the SATA controller (ADVANCED\AMD CBS\FCH COMMON OPTIONS \SATA CONFIGURATION Options). This was finally helping. The bios became imideatly smooth.

A following BIOS-reset and Reconnecting the windodws SSD now ran properly.
But yesterday evening I did a restart and it was slow again.

Do you guys have any ideas?

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Hypadaiper Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Oct 2018 Status: Offline Points: 3	Post Options Post Reply Quote Hypadaiper Report Post Thanks(0) Quote Reply Topic: X399 Taichi Initialing/Boot problems and slow BIOS Posted: 16 Oct 2018 at 4:25pm
	Hello guys, first off: english isnt my native language. But I try do do my best... Following Problem startet 2 days ago (after 5 super smooth days of working): When starting the Pc the AsRock Picture is about 5 minutes on display. After These 5 minutes the Windows Picture apears and I have to wait another 5 minutes before Password entering. Sometimes the screem remains black after the AsRock Picture. After that, the System works fine. My hardware: 1920x @ Stock @ watercooled @ 42°idle @ 55°prime95(nonAVX) 32gb Trident Z (Samsung Bdie) @3200 quadchannel@14,14,14 R390 Powercolor PCS+ 850W Corsair HXi X399 Asrock Taichi 250 SSD BX300 SATA (Windows) 500gb 970 evo M.2 (Working space) 2Tb WD blue 3Tb Seagate idk What I've already tested: - removing all hhds - Bios Reset - 5 Minutes cut off from power supply - trying RAM@auto (2133mhz), only 1x8gb installed - switching the 1x8gb in other ports and trying different storage - Checked every power connector - BIOSFlash from 3.20 to 3.30 Nothing helped. The BIOS is very laggy and reacts with 2 seconds delay. The DEBUGG display shows A0 and A2 for about 20 seconds. This is when I started to think its a mainboard problem. I disconected every SATA device so no bootable medium was connected. Still the same slow response/start. Finally I deactivated the SATA controller (ADVANCED\AMD CBS\FCH COMMON OPTIONS \SATA CONFIGURATION Options). This was finally helping. The bios became imideatly smooth. A following BIOS-reset and Reconnecting the windodws SSD now ran properly. But yesterday evening I did a restart and it was slow again. Do you guys have any ideas?