NixOS/nixos-hardware
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1
README.md
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@ -128,6 +128,7 @@ See code for all available configurations.
| [Dell Optiplex 3050](dell/optiplex/3050) | `<nixos-hardware/dell/optiplex/3050>` |
| [Dell Poweredge R7515](dell/poweredge/r7515) | `<nixos-hardware/dell/poweredge/r7515>` |
| [Dell Precision 3541](dell/precision/3541) | `<nixos-hardware/dell/precision/3541>` |
| [Dell Precision 5490](dell/precision/5490) | `<nixos-hardware/dell/precision/5490>` |
| [Dell Precision 5530](dell/precision/5530) | `<nixos-hardware/dell/precision/5530>` |
| [Dell Precision 7520](dell/precision/7520) | `<nixos-hardware/dell/precision/7520>` |
| [Dell XPS 13 7390](dell/xps/13-7390) | `<nixos-hardware/dell/xps/13-7390>` |

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dell/precision/5490/README.md Normal file
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@ -0,0 +1,15 @@
# Dell Precision 5490
Linux kernel versions prior to 6.7 may not function correctly with the internal monitor, as official support was introduced in version 6.7 (https://www.phoronix.com/news/Linux-6.7-Intel-Meteor-Lake-Gfx). You can enable experimental support by adding the following parameter:
```
boot.kernelParams = [ "i915.force_probe=7d55" ];
```
However, this may lead to some screen tearing.
If possible, you might benefit from a newer kernel, for example:
```
boot.kernelPackages = pkgs.linuxPackages_latest;
```
as it seems to work without any issues.

13
dell/precision/5490/default.nix Normal file
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{ config, lib, ... }:
{
imports = [
../../../common/gpu/nvidia/ada-lovelace
];
boot.kernelParams = lib.mkIf (lib.versionOlder config.boot.kernelPackages.kernel.version "6.7") [ "i915.force_probe=7d55" ];
hardware.nvidia.prime = {
intelBusId = "PCI:0:2:0";
nvidiaBusId = "PCI:1:0:0";
};
}

1
flake.nix
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@ -67,6 +67,7 @@
dell-optiplex-3050 = import ./dell/optiplex/3050;
dell-poweredge-r7515 = import ./dell/poweredge/r7515;
dell-precision-3541 = import ./dell/precision/3541;
dell-precision-5490 = import ./dell/precision/5490;
dell-precision-5530 = import ./dell/precision/5530;
dell-precision-5560 = import ./dell/precision/5560;
dell-precision-7520 = import ./dell/precision/7520;