diff --git a/INSTALL/MidiLink_INI.zip b/INSTALL/MidiLink_INI.zip
index 377f218..bcfd324 100644
Binary files a/INSTALL/MidiLink_INI.zip and b/INSTALL/MidiLink_INI.zip differ
diff --git a/Makefile b/Makefile
index 4018dd1..08a357e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC=arm-linux-gnueabihf-gcc 
 STRIP=arm-linux-gnueabihf-strip 
-CCFLAGS=-Ialsa/include -Lalsa/lib -Ofast -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=hard -ftree-vectorize -funsafe-math-optimizations
+CCFLAGS=-Ialsa/include -Lalsa/lib -Ofast -mcpu=cortex-a9 -mtune=cortex-a9 -mfpu=neon -mfloat-abi=hard -ftree-vectorize -funsafe-math-optimizations
 LDFLAGS=-lasound -lm -pthread 
 all : 
 	$(CC) $(CCFLAGS) $(LDFLAGS) main.c modem.c serial.c serial2.c misc.c udpsock.c tcpsock.c alsa.c ini.c directory.c modem_snd.c -o midilink
diff --git a/MidiLink.INI b/MidiLink.INI
index 5c4d6dd..02e882b 100644
--- a/MidiLink.INI
+++ b/MidiLink.INI
@@ -27,8 +27,9 @@ DELAYSYSEX          = TRUE
 #USB_SERIAL_MODULE   = /media/fat/pl2303.ko
 
 [AO486]
-MIDI_BAUD           = 38400
-TCP_SOUND_CONNECT   = /media/fat/SOUNDS/connect_sav.wav
+MIDI_BAUD           = 31250
+UDP_BAUD            = 38400
+#TCP_SOUND_CONNECT   = /media/fat/SOUNDS/connect_sav.wav
 
 [ATARIST]
 TCP_BAUD            = 19200
diff --git a/alsa.c b/alsa.c
index b15b17e..a3f6a4e 100644
--- a/alsa.c
+++ b/alsa.c
@@ -68,7 +68,7 @@ int alsa_open_seq(int _portNo, int _devNo)
         return FALSE;
     }
     alsa_reset_seq_event(&ev);
-    snd_midi_event_new(256, &parser);
+    snd_midi_event_new(1024, &parser);
     return TRUE;
 }
 
diff --git a/config.h b/config.h
index 986af5a..ce0edc4 100644
--- a/config.h
+++ b/config.h
@@ -13,7 +13,7 @@
 char                 * midiLinkINI      = "/media/fat/linux/MidiLink.INI"; 
 char                 * midiLinkDIR      = "/media/fat/linux/MidiLink.DIR";
 char                 * serialDevice     = "/dev/ttyS1";
-char                 * helloStr         = "MiSTer MidiLink 3.0 BB7";
+char                 * helloStr         = "MiSTer MidiLink 3.1 BB7";
 char                 * PCMDevice        = "/dev/snd/pcmC0D0p";
 int                    CPUMASK          = 1;
 static char          * MrAudioDevice    = "/dev/MrAudio";
diff --git a/main.c b/main.c
index 2c8ee57..9115827 100644
--- a/main.c
+++ b/main.c
@@ -458,6 +458,7 @@ int main(int argc, char *argv[])
 {
     int status;
     int midiPort;
+    int midiPortThrough;
     int altBaud = FALSE;
     char coreName[30] = "";
     MUNTCPUMask = CPUMASK;
@@ -469,7 +470,7 @@ int main(int argc, char *argv[])
     misc_print(0, helloStr);
     misc_print(0, "\n");
 	
-
+    modem_set_defaults();
     misc_get_core_name(coreName, sizeof(coreName));
     misc_print(0, "CORE --> '%s'\n", coreName);
 
@@ -566,6 +567,19 @@ int main(int argc, char *argv[])
             close_fd();
             return -3;
         }
+        
+        if(misc_check_args_option(argc, argv, "THROUGH"))
+        {
+            midiPortThrough = alsa_get_midi_port("Midi Through");
+            if (midiPortThrough != -1)
+            {
+                misc_print(0, "Using MIDI-Through port --> %d\n", midiPortThrough);   
+                misc_print(0, "Connecting MIDI port %d:0 --> %d:0\n", midiPortThrough, midiPort);   
+                sprintf(buf, "aconnect %d:0 %d:0", midiPortThrough, midiPort);
+                system(buf);
+                midiPort = midiPortThrough;
+            }
+        }
     }
 
     //these modes don't need serial port. all others do :)
@@ -620,12 +634,15 @@ int main(int argc, char *argv[])
             if(MIDIBaudRate != -1)
                 baudRate = MIDIBaudRate;
             else
+                baudRate = 31250;
+            /*
             {
                 if (strcmp(coreName, "AO486") == 0)
                     baudRate = 38400;
                 else
                     baudRate = 31250;
             }
+            */
         }
 
         serial_set_flow_control(fdSerial, 0);
@@ -748,7 +765,6 @@ int main(int argc, char *argv[])
     break;
     case ModeTCP:
     {
-		modem_set_defaults();
         if(TCPFlow > 0)
             serial_set_flow_control(fdSerial, TCPFlow);
         //serial2_set_DCD(sericlDevice, fdSerial, FALSE);
diff --git a/midilink b/midilink
index 9463b36..2344058 100755
Binary files a/midilink and b/midilink differ
diff --git a/misc.c b/misc.c
index 9780282..e38e665 100644
--- a/misc.c
+++ b/misc.c
@@ -173,8 +173,6 @@ void misc_swrite_no_trans(int fdSerial, const char* format, ... )
 int misc_check_args_option (int argc, char *argv[], char * option)
 {
     int result = FALSE;
-    char * OPTION = strdup(option);
-    misc_str_to_upper(OPTION);
     if(argc > 1)
         for (int i = 1; i< argc; i++)
         {
@@ -184,7 +182,6 @@ int misc_check_args_option (int argc, char *argv[], char * option)
                 break;
             }
         }
-    free(OPTION);
     return result;
 }
 
diff --git a/mlinkutil b/mlinkutil
index 4c8fcff..3ad1bd1 100755
Binary files a/mlinkutil and b/mlinkutil differ