diff --git a/modules/ROOT/pages/_partials/proc_discovering-the-firmware-type.adoc b/modules/ROOT/pages/_partials/proc_discovering-the-firmware-type.adoc
new file mode 100644
index 0000000..ab8277c
--- /dev/null
+++ b/modules/ROOT/pages/_partials/proc_discovering-the-firmware-type.adoc
@@ -0,0 +1,11 @@
+[[discovering-the-firmware-type]]
+= Discovering the firmware type
+
+To discover what firmware your machine uses, run the following command:
+
+[source,bash]
+----
+$ [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
+----
+
+The output returns only UEFI or BIOS, depending on the firmware your machine runs.
diff --git a/modules/ROOT/pages/bootloading-with-grub2.adoc b/modules/ROOT/pages/bootloading-with-grub2.adoc
index 30c0830..6658f57 100644
--- a/modules/ROOT/pages/bootloading-with-grub2.adoc
+++ b/modules/ROOT/pages/bootloading-with-grub2.adoc
@@ -11,6 +11,8 @@ include::{partialsdir}/unreviewed-message.adoc[]
 
 Since Fedora 16, *GRUB2* has been the default bootloader on x86 BIOS systems. For upgrades of BIOS systems, the default is also to install *GRUB2*, but you can opt to skip bootloader configuration entirely.
 
+include::{partialsdir}/proc_discovering-the-firmware-type.adoc[leveloffset=+1]
+
 include::{partialsdir}/proc_installing-grub2-on-bios-system.adoc[leveloffset=+1]
 
 include::{partialsdir}/proc_installing-grub2-on-efi-system.adoc[leveloffset=+1]
diff --git a/modules/ROOT/pages/installing-grub2.adoc b/modules/ROOT/pages/installing-grub2.adoc
index b669beb..67219ce 100644
--- a/modules/ROOT/pages/installing-grub2.adoc
+++ b/modules/ROOT/pages/installing-grub2.adoc
@@ -26,6 +26,8 @@ Since Fedora 16, *GRUB2* has been the default bootloader on x86 BIOS
 systems. For upgrades of BIOS systems, the default is also to install
 *GRUB2*, but you can opt to skip bootloader configuration entirely.
 
+include::{partialsdir}/proc_discovering-the-firmware-type.adoc[leveloffset=+1]
+
 include::{partialsdir}/proc_installing-grub2-on-bios-system.adoc[leveloffset=+1]
 
 include::{partialsdir}/proc_installing-grub2-on-efi-system.adoc[leveloffset=+1]