generic desktop PC /w RX5500XT + eGPU Problem
 
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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

hello again!

i have radeon VII with razer core X eGPU. and, recently i have upgraded my desktop pc with radeon RX5500XT. because i use windows and linux in this desktop. nvidia's cards has many problem even using it as a dGPU (attached it motherboard's PCIe slot).

 

so, this is my plan. i use RX5500XT dGPU in linux. when i play game, i use radeon vii eGPU with windows. but, i cannot use this set. because radeon vii has error 12.

before i use macbook pro with this eGPU, i has many ploblems. install bootcampdriver's driver, swap PCI.sys file. but, this problem cannot find in web.

Maybe it was right to buy an nvidia graphics card?

please help me. and thank you very much Smile

 

system info:

AMD ryzen 7 3800X

Asrock X570 Phantom Gaming-ITX/TB3

sapphire RX5500XT pulse 8G

 

This topic was modified 1 year ago

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@gzx9755 What's the model of your Desktop PC motherboard? Look into doing a DSDT override to fix error 12. You can also check the BIOS and see if there's Thunderbolt settings you can change to resolve error 12. 

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2021 15" ASUS TUF Dash F15 [11th,4C,H] + RTX 3080 @ 32Gbps-TB4 (AORUS Gaming Box) + Win10 2004 // my 3rd RTX 3080 build [build link]  


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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

@itsage

oh sorry. i edit my post but i'm rate.

i using asrock X570 Phantom Gaming-ITX/TB3. BIOS version is 2.0.

where i can change thunderbolt settings? i using only intel's thunderbolt software.

and, i will try DSDT override tomorrow. Thank you! Smile

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@gzx9755 Check out this X570 Phantom Gaming-ITX/TB3 build by @ningauble77 who disabled Legacy CSM support, and enabled Above 4G Decoding then error 12 was gone.

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2021 15" ASUS TUF Dash F15 [11th,4C,H] + RTX 3080 @ 32Gbps-TB4 (AORUS Gaming Box) + Win10 2004 // my 3rd RTX 3080 build [build link]  


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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

@itsage

oh. There's already been a case.

It's too late here, so I'll report after I sleep and try.

really thanks!! Smile

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

@itsage

i'm sorry for late.

after i back to home, i tried disabled Legacy CSM support, and enabled Above 4G Decoding. and, confirmed 'large memory entry' after reboot (cold reboot) but my radeon VII still error 12 status. i tired clean uninstall GPU drivers with DDU (with cold boot), but still error 12 status.

i failed 🙁

i have 'large memory entry' already, but i cannot connect my vii. DSDT override can have effect even my case?

always many thanks. Smile

 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@gzx9755 Your steps seem to have replicated what @ningauble77 did in his build. The only exception is your RX 5500 XT dGPU vs the APU in his. My next recommendation is to do a clean install of Win10 1903 V1 to see if it helps. I know you mentioned a pci.sys swap but it's worth a shot.

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2021 15" ASUS TUF Dash F15 [11th,4C,H] + RTX 3080 @ 32Gbps-TB4 (AORUS Gaming Box) + Win10 2004 // my 3rd RTX 3080 build [build link]  


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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

@itsage

i think so. now i making 1903 USB boot drive. i will report in this topic soon...

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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강설아
(@gzx9755)
Active Member
Joined: 1 year ago
 

@itsage

Another Fail... first, i check legacy csm support and above 4G decoding setting in bios. after i check, clean install windows 10 1903, install thunderbolt 3 driver, install amd driver.

but still i see error 12 status. 🙁

there is another thing i can do?

always many thanks Smile

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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nique GT
(@nique_gt)
Active Member
Joined: 12 months ago
 

Nope its the 5500XT (owning the same) itself, or how AMD installs the driver.

I can reproduce the working Card, but only until reboot.

Uninstall the Card wiith option >> Delete Device Drivers, do it until no more Drivers are loaded by windows and disconnect internet, best is AMD Driver Cleaner.

No start AMD Setup, choose Option >> Default Settings, let it do, reboot and for me after reboot, the Card worked as expected - but only until reboot....

 

This post was modified 12 months ago

Fujitsu Lifebook U 749 > Razer Core X > Sapphire 5500XT


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