add hardware compatibility section to readme

README.md

@@ -128,3 +128,44 @@ make vm
 ```
 make shell
 ```
+
+## Hardware Compatibility ##
+
+### Tested Models
+
+* HP 13" Intel Celeron - 4GB Memory - 64GB eMMC, HP 14-dq0052dx, SKU: 6499749, UPC: 196548430192, DCS: 6.768.5321, ~USD $179.99
+
+* Lenovo 14" Flex 5i FHD Touchscreen 2-in-1 Laptop - Intel Core i3-1215U - 8GB Memory - Intel UHD Graphics, SKU: 6571565, ~USD $379.99
+
+### Disabling Secure Boot 
+
+AirgapOS can't be booted using secure boot. Therefore it has to be disabled. Alternative systems like Heads may be used.
+
+#### Instructions to Disable Secure Boot in BIOS
+
+1. Restart your computer
+
+2. **Enter BIOS/UEFI Setup**:
+   - As your computer starts up, press the appropriate key to enter the BIOS/UEFI setup. Common keys include:
+     - **F2** (Dell, Acer, Lenovo)
+     - **Delete** (ASUS, MSI)
+     - **F10** (HP)
+     - **Esc** (Some systems)
+   - You may see a prompt on the screen indicating which key to press
+
+3. **Navigate to the Secure Boot Option**:
+   - Once in the BIOS/UEFI setup, use the arrow keys to navigate through the menus. Look for a tab or section labeled **"Boot," "Security,"** or **"Authentication."**
+   - The exact location of the Secure Boot option can vary, so you may need to explore a bit
+
+4. **Locate Secure Boot**:
+   - Find the **Secure Boot** option within the selected menu. It may be listed as **"Secure Boot Control"** or simply **"Secure Boot."**
+
+5. **Disable Secure Boot**:
+   - Select the Secure Boot option and change its setting to **Disabled**. This is usually done by pressing **Enter** and then selecting **Disabled** from the options.
+
+6. **Save Changes and Exit**:
+   - After disabling Secure Boot, navigate to the **Exit** tab or section.
+   - Choose the option to **Save Changes and Exit**. Confirm any prompts that appear to save your changes.
+
+7. **Reboot Your Computer**:
+   - Your computer will restart. Secure Boot should now be disabled.