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diff --git a/books/beaglebone-cookbook/11misc/misc.rst b/books/beaglebone-cookbook/11misc/misc.rst
index bb7c0eb5427e20bf7046b96ab717b476c91b4761..ff04c920495d6c49c86ebbc72f698856c484388f 100644
--- a/books/beaglebone-cookbook/11misc/misc.rst
+++ b/books/beaglebone-cookbook/11misc/misc.rst
@@ -624,3 +624,43 @@ By default, *P9_14* is set as an input. Switch it to an output and turn it on:
 
 The LED turns on when a *1* is written to *value* and turns off when a *0* is written.
 
+
+Notes on the boot sequence
+==========================
+
+Here are some notes on what the BeagleBoard Play does when it boots up.  Many of the booting
+details come from the AM62x Technical Reference Manual
+(https://www.ti.com/product/AM625, https://www.ti.com/lit/pdf/spruiv7).  Page 2456 shows
+the Initialization Process.
+
+.. figure:: figures/init-process.png
+    :align: center
+    :alt: Initialization Process
+
+    Initialization Process
+
+We are interested in what happens in the **ROM code**.
+Page 2457 shows the different ROM Bode Boot Modes.
+
+.. figure:: figures/boot-modes.png
+    :align: center
+    :alt: ROM Code Boot Modes
+
+    ROM Code Boot Modes
+
+Page 2465 shows the BOOTMODE pins.
+
+.. figure:: figures/pin-mapping.png
+    :align: center
+    :alt: BOOTMODE Pin Mapping
+
+    BOOTMODE Pin Mapping 
+
+Page 14 of https://git.beagleboard.org/beagleplay/beagleplay/-/blob/main/BeaglePlay_sch.pdf
+shows how the BOOTMODE pins are set during boot.
+
+.. figure:: figures/bootstrap.png
+    :align: center
+    :alt: bootstrap
+
+    Bootstrap