diff --git a/PSNee/BIOS_patching.h b/PSNee/BIOS_patching.h
index 9b7108b..fde3186 100644
--- a/PSNee/BIOS_patching.h
+++ b/PSNee/BIOS_patching.h
@@ -43,7 +43,11 @@
      * Edge Triger:                  |
      * AX: _-_-_-_-_-________________-_-_-_-_-_-__
      */
+    #ifdef LOW_TRIGGER
+    while (PIN_AX_READ);
+    #else
     while (! PIN_AX_READ);
+    #endif
 
     /* 
      * PHASE 4: Precision Bit Alignment
diff --git a/PSNee/PSNee.ino b/PSNee/PSNee.ino
index b394d96..d87faa7 100644
--- a/PSNee/PSNee.ino
+++ b/PSNee/PSNee.ino
@@ -43,11 +43,11 @@ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
                                       |                Adres pin            |
      SCPH model number    // Data pin |    32-pin BIOS   |   40-pin BIOS    | BIOS version
 -------------------------------------------------------------------------------------------------*/
-#define SCPH_102        // DX - D0  | AX - A7          |                  | 4.4e - CRC 0BAD7EA9, 4.5e -CRC 76B880E5
+//#define SCPH_102        // DX - D0  | AX - A7          |                  | 4.4e - CRC 0BAD7EA9, 4.5e -CRC 76B880E5
 //#define SCPH_100        // DX - D0  | AX - A7          |                  | 4.3j - CRC F2AF798B
 //#define SCPH_7500_9000  // DX - D0  | AX - A7          |                  | 4.0j - CRC EC541CD0
 //#define SCPH_7000       // DX - D0  | AX - A7          |                  | 4.0j - CRC EC541CD0  Enables hardware support for disabling BIOS patching.
-//#define SCPH_5500       // DX - D0  | AX - A5          |                  | 3.0j - CRC FF3EEB8C
+#define SCPH_5500       // DX - D0  | AX - A5          |                  | 3.0j - CRC FF3EEB8C
 //#define SCPH_5000       // DX - D0  | AX - A5          | AX - A4          | 2.2j - CRC 24FC7E17
 //#define SCPH_3500       // DX - D0  | AX - A5          | AX - A4          | 2.1j - CRC BC190209 
 //#define SCPH_3000       // DX - D5  | AX - A7, AY - A8 | AX - A6, AY - A7 | 1.1j - CRC 3539DEF6 
diff --git a/PSNee/settings.h b/PSNee/settings.h
index c21db59..3303612 100644
--- a/PSNee/settings.h
+++ b/PSNee/settings.h
@@ -60,29 +60,26 @@
 
 #ifdef  SCPH_7500_9000    
 #define BIOS_PATCH
-#define INTERRUPT_RISING
-#define BOOT_OFFSET 75.2              //74.95 - 75.55
-#define PULSE_COUNT 16
-#define BIT_OFFSET 2.8
+#define TEST_BIOS
+#define BOOT_OFFSET 75.2              
+#define BIT_OFFSET 71.5
 #define OVERRIDE 0.2
 #endif
 
 #ifdef  SCPH_7000         
-//#define PATCH_SWITCH
 #define BIOS_PATCH
-#define INTERRUPT_RISING
-#define BOOT_OFFSET 75.2              //75.3
-#define PULSE_COUNT 16
-#define BIT_OFFSET 2.8
+#define TEST_BIOS
+#define BOOT_OFFSET 75.2              
+#define BIT_OFFSET 71.5
 #define OVERRIDE 0.2
 #endif
 
 #ifdef  SCPH_5500         
 #define BIOS_PATCH
-#define INTERRUPT_FALLING
+#define TEST_BIOS
+#define LOW_TRIGGER
 #define BOOT_OFFSET 76.07             //75.99 - 76.14
-#define PULSE_COUNT 21
-#define BIT_OFFSET 2.8
+#define BIT_OFFSET 95.6
 #define OVERRIDE 0.2
 #endif