TRX40 Taichi no boot to BIOS with Nvidia A100 GPU

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   Components:

ASRock Taichi P1.70 
Ryzen Threadripper 3960X Microcode 830f10/8301039
2 x (RAID1) ADATA XPG SX8200 Pro 1TB 3D NAND NVMe Gen3x4 PCIe M.2 2280
SAPPHIRE NITRO+ Radeon RX 5700 XT 100416NT+8GSR 8GB 256-Bit GDDR6 PCI Express 4.0 x16 ATX Video Card
G.SKILL Ripjaws V Series 64GB (4 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0
G.SKILL Ripjaws V Series 64GB (2 x 32GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0
Enermax MaxTytan 80+ Titanium certified Full Modular 1250W Power Supply 

The system above has worked absolutely flawlessly for 9 months. No complaints, no issues. 

I have installed the latest BIOS as of today.

I am trying to add an Nvidia A100 GPU.

With the A100 in PCIe slot 1 (closest to CPU) or slot 3 (middle on the board) the system will not boot - bot even the ASRock logo with keys to go to bios appear. In other words the monitor receives no HDMI signal been after 10 minutes.

On steady state (after waiting 2-3 minutes) the system draws ~170W power (from the power supply LED display).

I pulled the AMD Video Card and put in a small/old NVIDIA video card (does not require PCIe power). Same result.

I realize this is not a common setup - I am not a gamer or miner - this is to be used for scientific computing- Matlab, Comsol, etc.

Please advise?

The Dr.Debug codes shown after about 2-3 minutes are:

ad
df
36
05
84
de

Thank you,

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dejannenov Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 24 Dec 2020 Location: Boise, ID Status: Offline Points: 3	Post Options Post Reply Quote dejannenov Report Post Thanks(0) Quote Reply Topic: TRX40 Taichi no boot to BIOS with Nvidia A100 GPU Posted: 24 Dec 2020 at 11:28am
	Components: ASRock Taichi P1.70 Ryzen Threadripper 3960X Microcode 830f10/8301039 2 x (RAID1) ADATA XPG SX8200 Pro 1TB 3D NAND NVMe Gen3x4 PCIe M.2 2280 SAPPHIRE NITRO+ Radeon RX 5700 XT 100416NT+8GSR 8GB 256-Bit GDDR6 PCI Express 4.0 x16 ATX Video Card G.SKILL Ripjaws V Series 64GB (4 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0 G.SKILL Ripjaws V Series 64GB (2 x 32GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0 Enermax MaxTytan 80+ Titanium certified Full Modular 1250W Power Supply The system above has worked absolutely flawlessly for 9 months. No complaints, no issues. I have installed the latest BIOS as of today. I am trying to add an Nvidia A100 GPU. With the A100 in PCIe slot 1 (closest to CPU) or slot 3 (middle on the board) the system will not boot - bot even the ASRock logo with keys to go to bios appear. In other words the monitor receives no HDMI signal been after 10 minutes. On steady state (after waiting 2-3 minutes) the system draws ~170W power (from the power supply LED display). I pulled the AMD Video Card and put in a small/old NVIDIA video card (does not require PCIe power). Same result. I realize this is not a common setup - I am not a gamer or miner - this is to be used for scientific computing- Matlab, Comsol, etc. Please advise? The Dr.Debug codes shown after about 2-3 minutes are: ad df 36 05 84 de Thank you,

X19anthony Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Jan 2021 Location: Zurich Status: Offline Points: 5	Post Options Post Reply Quote X19anthony Report Post Thanks(0) Quote Reply Posted: 27 Jan 2021 at 5:49am
	Above 4G decoding enabled ? Need the 64 bit bar for the A100