diff --git a/20211115/hp-20211115.pdf b/20211115/hp-20211115.pdf
index d8829973c09d12dd155894ae248cd1938f9c2685..f9278f176955e45639dccc9a61bec40199d9bfd7 100644
Binary files a/20211115/hp-20211115.pdf and b/20211115/hp-20211115.pdf differ
diff --git a/20211115/hp-20211115.tex b/20211115/hp-20211115.tex
index 5494681e9d2eb0569d24e5f7971e90f2bef9034c..32c904728aa104061a5dc187fef2866899cbf277 100644
--- a/20211115/hp-20211115.tex
+++ b/20211115/hp-20211115.tex
@@ -20,7 +20,7 @@
 % Attribution-ShareAlike 3.0 Unported License along with this
 % document.  If not, see <http://creativecommons.org/licenses/>.
 
-% README: I/O-Ports, Interrupts
+% README: I/O-Ports
 
 \documentclass[10pt,t]{beamer}
 
@@ -71,7 +71,7 @@
         \item[4.1] Bit-Operationen
         \color{orange}
         \item[4.2] I/O-Ports
-        \color{red}
+        \color{black}
         \item[4.3] Interrupts
         \vspace*{-0.1cm}
         \item[\dots]
@@ -293,7 +293,7 @@
         \item[4.1] Bit-Operationen
         \color{orange}
         \item[4.2] I/O-Ports
-        \color{red}
+        \color{black}
         \item[4.3] Interrupts
         \item[4.4] volatile-Variable
         \item[4.6] Byte-Reihenfolge -- Endianness
@@ -552,6 +552,8 @@
 
 \end{frame}
 
+\iffalse
+
 \subsection{Interrupts}
 
 \begin{frame}[fragile]
@@ -1084,6 +1086,8 @@
 
 \end{frame}
 
+\fi
+
 \nosectionnonumber{\inserttitle}
 
 \begin{frame}
@@ -1106,9 +1110,9 @@
         \item[4.1] Bit-Operationen
         \color{medgreen}
         \item[4.2] I/O-Ports
+        \color{red}
         \item[4.3] Interrupts
         \item[4.4] volatile-Variable
-        \color{red}
         \item[4.6] Byte-Reihenfolge -- Endianness
         \item[4.7] Binärdarstellung negativer Zahlen
         \item[4.8] Speicherausrichtung -- Alignment