diff --git a/doc/howto.mm b/doc/howto.mm
--- a/doc/howto.mm
+++ b/doc/howto.mm
@@ -51,7 +51,7 @@
 <node CREATED="1308034107901" ID="ID_1320658724" MODIFIED="1308034130203" TEXT="headphone stereo male -&gt; two 1/4&quot; males"/>
 <node CREATED="1308377261889" ID="ID_647881132" MODIFIED="1308377266078" TEXT="good mouse optional"/>
 </node>
-<node CREATED="1308033783333" ID="ID_1682972675" MODIFIED="1308033785051" TEXT="lights computer">
+<node CREATED="1308033783333" ID="ID_1682972675" MODIFIED="1370845541459" TEXT="lights computer">
 <node CREATED="1308377255226" ID="ID_1636175647" MODIFIED="1308377259711" TEXT="bring a good mouse"/>
 </node>
 <node CREATED="1308033785491" ID="ID_1716801702" MODIFIED="1308034038082" TEXT="networking">
@@ -63,7 +63,7 @@
 <node CREATED="1308034055896" ID="ID_1324716526" MODIFIED="1308034059404" TEXT="gaff tape"/>
 <node CREATED="1308034535960" ID="ID_410669289" MODIFIED="1308034540418" TEXT="wrench"/>
 </node>
-<node CREATED="1308208373163" ID="ID_1488125046" MODIFIED="1308208377300" POSITION="right" TEXT="shoot reheasal video">
+<node CREATED="1308208373163" FOLDED="true" ID="ID_1488125046" MODIFIED="1370845534252" POSITION="right" TEXT="shoot reheasal video">
 <node CREATED="1308208378075" ID="ID_970538044" MODIFIED="1308208388063" TEXT="this may help making some curve timings ahead of time"/>
 <node CREATED="1308208388919" ID="ID_74037575" MODIFIED="1308208414255" TEXT="take laptop, dv camera, speakers, show and music files to a rehearsal"/>
 <node CREATED="1308208429303" ID="ID_2240985" MODIFIED="1308208439254" TEXT="run ascoltami2 and vidref"/>
@@ -76,13 +76,21 @@
 <node COLOR="#cc6600" CREATED="1308287855986" ID="ID_343595957" MODIFIED="1308287874743" TEXT="cd dmx_usb_module; make"/>
 <node COLOR="#cc6600" CREATED="1308287863015" ID="ID_1979572812" MODIFIED="1308287874232" TEXT="cd dmx_usb_module; python setup.py build_ext -i"/>
 </node>
+<node COLOR="#cc6600" CREATED="1370845861644" ID="ID_271139158" MODIFIED="1370845910991" STYLE="fork" TEXT="rmmod frdi_sio">
+<edge COLOR="#808080" STYLE="bezier" WIDTH="thin"/>
+</node>
 <node CREATED="1308287886529" ID="ID_819029139" MODIFIED="1308290215872" TEXT="load kernel module (as needed upon reboots):">
 <node COLOR="#cc6600" CREATED="1308287817975" ID="ID_624949596" MODIFIED="1308290217833" TEXT="insmod dmx_usb_module/dmx_usb.ko"/>
 </node>
 </node>
-<node CREATED="1308036287320" ID="ID_1833057964" MODIFIED="1308036289968" TEXT="audio"/>
+<node CREATED="1308036287320" ID="ID_1833057964" MODIFIED="1308036289968" TEXT="audio">
+<node CREATED="1370845938448" ID="ID_1931473101" MODIFIED="1370845945348" TEXT="video guy uses &apos;monitor out&apos; for his sound"/>
+</node>
 <node CREATED="1308036290491" ID="ID_1499492868" MODIFIED="1308036294725" TEXT="microphones"/>
 <node CREATED="1308036295284" ID="ID_1376495150" MODIFIED="1308036310302" TEXT="headsets"/>
+<node CREATED="1370845983159" ID="ID_1457879321" MODIFIED="1370845984485" TEXT="network">
+<node CREATED="1370845985352" ID="ID_1453140188" MODIFIED="1370846008113" TEXT="networkmanager will break the net and something respawns it, so freeze it with SIGSTOP to use ifconfig"/>
+</node>
 </node>
 <node CREATED="1308036336797" ID="ID_259158351" MODIFIED="1308036375435" POSITION="right" TEXT="lighting setup">
 <node CREATED="1308036375436" ID="ID_1390142467" MODIFIED="1308036381948" TEXT="edit circuit names in patch"/>