From 41f5fa338dcb70d8bbb22ca0b7dc597f94d3b90e Mon Sep 17 00:00:00 2001
From: krakenrf <78108016+krakenrf@users.noreply.github.com>
Date: Fri, 30 Sep 2022 00:38:51 +1300
Subject: Updated 12. Appendix (markdown)

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 12.-Appendix.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/12.-Appendix.md b/12.-Appendix.md
index 73bceb5..604f951 100644
--- a/12.-Appendix.md
+++ b/12.-Appendix.md
@@ -76,6 +76,7 @@ It is up to you the programmer to ensure that the inputs are valid. Entering inc
 
 ## Problematic but with workarounds
 * Odroid N2/+ - The official Odroid Ubuntu Mate Distro doesn't work. USB is too buggy with the internal KrakenSDR USB Hub and it keeps dropping the tuners. Armbian Odroid appears to work. BUT, you must use the BOTTOM USB port that is closest to the DC power barrel jack. All other USB ports do not work.
+* Orange Pi 4 - Appears to be unstable after a while when specifically -O2 optimizations are used in _daq_core. Strangely, changing to -Ofast seems to fix it.
 
 ## Not Working
 * Tinkerboard - Unfortunately pure 32-bit CPUs are not supported by Miniforge Conda.
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