From 81d9405b5ca56fc8226a25214cfa2a4c3dc3e1a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Do=C3=B1a?=
 <23705091+daniel-dona@users.noreply.github.com>
Date: Tue, 21 May 2024 14:59:13 +0200
Subject: [PATCH] Update README.md with Secure Boot requirement

---
 README.md | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index a5ff8d7..46e9543 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,8 @@
 Reads GDDR6/GDDR6X VRAM memory temperatures from multiple supported NVIDIA GPUs found in a host Linux system.
 These findings are based on reverse engineering of the NVIDIA GPU Linux driver.
 
-## Dependencies
-- libpci-dev 
-```
-sudo apt install libpci-dev -y
-```
+
+## Prerequisites
 
 - Kernel boot parameter: iomem=relaxed
 ```
@@ -17,6 +14,26 @@ sudo update-grub
 sudo reboot
 ```
 
+- Disabling Secure Boot
+  
+This can be done in the UEFI/BIOS configuration or using [mokutil](https://wiki.debian.org/SecureBoot#Disabling.2Fre-enabling_Secure_Boot):
+
+```
+mokutil --disable-validation
+```
+
+Check state with:
+```
+$ sudo mokutil --sb
+SecureBoot disabled
+```
+
+## Dependencies
+- libpci-dev 
+```
+sudo apt install libpci-dev -y
+```
+
 ## Installation (cmake)
 ```
 git clone https://github.com/olealgoritme/gddr6