--- wikisrc/ports/evbarm/raspberry_pi.mdwn	2017/10/21 23:58:28	1.61
+++ wikisrc/ports/evbarm/raspberry_pi.mdwn	2017/10/22 00:06:31	1.62
@@ -52,6 +52,14 @@ Note that one can also use code for earl
 
 # Installation
 
+## SD card structure
+
+The Raspberry Pi looks for firmware and a kernel on the first FAT32
+partition of the uSD card.  The NetBSD kernel will then use the FFS
+partition as the root filesystem.
+
+## Choosing a version
+
 First, decide if you want to install a formal release (7.1), a stable
 branch build (netbsd-7, netbsd-8), or current.  Note that 7.1 predates
 Raspberry Pi 3 support.  For people who don't know how to choose among