From 7548fda5d7a170597f2c3485b06b80be497dc14e Mon Sep 17 00:00:00 2001
From: Erich Blume <blume.erich@gmail.com>
Date: Wed, 18 Feb 2026 10:44:20 -0800
Subject: [PATCH] Disable TPM2 to fix 90s boot delay

Crosshair VI Hero has no TPM module. systemd waits 90s for
/dev/tpm0 and /dev/tpmrm0 before timing out on every boot.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 nixos/ringtail/configuration.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/ringtail/configuration.nix b/nixos/ringtail/configuration.nix
index d6bd665..d28f5d2 100644
--- a/nixos/ringtail/configuration.nix
+++ b/nixos/ringtail/configuration.nix
@@ -8,6 +8,9 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  # No TPM module on this board
+  systemd.tpm2.enable = false;
+
   # Networking
   networking.hostName = "ringtail";
   networking.networkmanager.enable = true;