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Adding RTX A400 card to Windows 7/2012 R2 64bit driver

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System Name Lynni PS \ Lenowo TwinkPad L14 G2
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I been trying under Windows 7 64bit using NVCleanstall to add hardware id PCI\VEN_10DE&DEV_25B2 and I choose a GTX 660 as the gpu because they are similar in performance when looking on the TPU Specs list for the Nvidia RTX A400.

Link: https://www.techpowerup.com/gpu-specs/rtx-a400.c4212

Hardware IDs for the Nvidia RTX A400 (Lenovo branded)
PCI\VEN_10DE&DEV_25B2&SUBSYS_187917AA&REV_A1
PCI\VEN_10DE&DEV_25B2&SUBSYS_187917AA
PCI\VEN_10DE&DEV_25B2&CC_030000
PCI\VEN_10DE&DEV_25B2&CC_0300

I am not sure if I did it correctly because Windows 7 showed me error 53 for the certificate is there anything I need to do like turning off driver validation to get the mod to work?

I need to connect 4 full hd monitors to the RTX A400 to show system stats that's all no fancy gpu acceleration and that.

I hope someone can help.
 
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