From 88d3fc0bcfc0309ebe4d2c4756d159a5d676e94b Mon Sep 17 00:00:00 2001
From: darrelhunt <darrelhunt@gmail.com>
Date: Fri, 16 Sep 2016 11:25:14 -0700
Subject: [PATCH] Update pins_PRINTRBOARD.h

---
 Marlin/pins_PRINTRBOARD.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Marlin/pins_PRINTRBOARD.h b/Marlin/pins_PRINTRBOARD.h
index fb1874b643..f2a2bbb0fa 100644
--- a/Marlin/pins_PRINTRBOARD.h
+++ b/Marlin/pins_PRINTRBOARD.h
@@ -36,6 +36,8 @@
 #endif
 
 #define BOARD_NAME         "Printrboard"
+
+#define USBCON 1286  // Disable MarlinSerial etc.
 #define LARGE_FLASH        true
 
 // Disable JTAG pins so they can be used for the Extrudrboard