B450 Gaming-ITX pcix boot issue

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   Hello,
I am having an issue with the board posting when a PCIx1 NIC card is in the PCIx16 slot. Nothing powers on except the onboard NIC and the PCIx nic. Usually the keyboard and the USB drive light up and you can see activity on the USB drive. 

Things to NOTE:
I currently have running an esxi server which is running perfectly fine with out the PCIx1 NIC. The entire setup is running headless(without GPU). I only use a GPU when I need to configure the uefi or need console access.  

Any suggesstions? I was thinking that the pcix16 slot is locked to GFX cards only? If that is the case is there any way to get a modified bios?

TIA

Hardware:
B450 Gaming-ITX/AC board
AMD Ryzen 1700
Viper 16 GB DDR4 2400
Samsung 951 m2 512G
Segate 1tb Sata HDD
INTEL DP 1GB 82575 pcix1

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dysect Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Dec 2018 Status: Offline Points: 3	Post Options Post Reply Quote dysect Report Post Thanks(0) Quote Reply Topic: B450 Gaming-ITX pcix boot issue Posted: 05 Dec 2018 at 9:47pm
	Hello, I am having an issue with the board posting when a PCIx1 NIC card is in the PCIx16 slot. Nothing powers on except the onboard NIC and the PCIx nic. Usually the keyboard and the USB drive light up and you can see activity on the USB drive. Things to NOTE: I currently have running an esxi server which is running perfectly fine with out the PCIx1 NIC. The entire setup is running headless(without GPU). I only use a GPU when I need to configure the uefi or need console access. Any suggesstions? I was thinking that the pcix16 slot is locked to GFX cards only? If that is the case is there any way to get a modified bios? TIA Hardware: B450 Gaming-ITX/AC board AMD Ryzen 1700 Viper 16 GB DDR4 2400 Samsung 951 m2 512G Segate 1tb Sata HDD INTEL DP 1GB 82575 pcix1