From 4fb3325326277ac33e6a3a8d8a3557a4e8e03705 Mon Sep 17 00:00:00 2001
From: kenji <kenji@hakase>
Date: Sun, 8 Mar 2026 08:48:01 -0500
Subject: [PATCH] add(asrock-a620i): new setup for testing fan

by default, system does not automatically detect fan configuration for
chassis and the cpu. quite inconvenient to setup fan speeds
---
 modules/nixos/apps-optional.nix | 1 +
 modules/nixos/asrock-a620i.nix  | 8 ++++++++
 2 files changed, 9 insertions(+)
 create mode 100644 modules/nixos/asrock-a620i.nix

diff --git a/modules/nixos/apps-optional.nix b/modules/nixos/apps-optional.nix
index cde9647..89bc098 100644
--- a/modules/nixos/apps-optional.nix
+++ b/modules/nixos/apps-optional.nix
@@ -1,5 +1,6 @@
 {
   imports = [
     ../../apps/qmk
+    ./asrock-a620i.nix
   ];
 }
diff --git a/modules/nixos/asrock-a620i.nix b/modules/nixos/asrock-a620i.nix
new file mode 100644
index 0000000..832ec51
--- /dev/null
+++ b/modules/nixos/asrock-a620i.nix
@@ -0,0 +1,8 @@
+{pkgs, ...}: {
+  # fan setup
+  programs.coolercontrol.enable = true;
+  boot.kernelModules = ["nct6683"];
+  boot.extraModprobeConfig = ''
+    options nct 6683 force=1
+  '';
+}