diff --git a/pcsx2/Misc.h b/pcsx2/Misc.h
index 1874c52201..fd5dec12c8 100644
--- a/pcsx2/Misc.h
+++ b/pcsx2/Misc.h
@@ -58,7 +58,8 @@
 #define CHECK_EESYNC_HACK (Config.Hacks & 0x1)
 #define CHECK_IOPSYNC_HACK (Config.Hacks & 0x10)
 #define CHECK_EE_IOP_EXTRA (Config.Hacks & 0x20)
-#define CHECK_DENORMALS ((Config.Hacks & 0x8) ? 0xffc0 : 0x7f80) //If enabled, Denormals are Zero for the recs and flush to zero is enabled as well
+#define CHECK_UNDERFLOW (!(Config.Hacks & 0x8))
+#define CHECK_DENORMALS ((Config.Hacks & 0x400) ? 0xffc0 : 0x7f80) //If enabled, Denormals are Zero for the recs and flush to zero is enabled as well
 #define CHECK_FASTBRANCHES (Config.Hacks & 0x80)
 #define CHECK_VUCLIPHACK (Config.Hacks & 0x100) // Special Fix for GoW, updates the clipflag differently in recVUMI_CLIP() (note: turning this hack on, breaks Rockstar games)
 #define CHECK_FPUCLAMPHACK (Config.Hacks & 0x200) // Special Fix for GT4, different clamping for FPU (Note: sets negative infinity to positive fMax when clamping, which the real ps2 doesn't do)
diff --git a/pcsx2/windows/WinMain.c b/pcsx2/windows/WinMain.c
index 0c76106ea8..2839b36e34 100644
--- a/pcsx2/windows/WinMain.c
+++ b/pcsx2/windows/WinMain.c
@@ -47,6 +47,7 @@
 #include "iCore.h"
 #include "iVUzerorec.h"
 
+#include "patch.h"
 #include "cheats/cheats.h"
 
 #include "../Paths.h"
@@ -57,6 +58,9 @@ static int efile;
 char filename[256];
 extern int g_SaveGSStream;
 
+extern u32 g_sseMXCSR;
+extern u32 g_sseVUMXCSR;
+
 static int AccBreak = 0;
 int needReset = 1;
 unsigned int langsMax;
@@ -730,6 +734,7 @@ BOOL APIENTRY HacksProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) {
 			if(Config.Hacks & 0x80) CheckDlgButton(hDlg, IDC_FASTBRANCHES, TRUE);
 			if(Config.Hacks & 0x100) CheckDlgButton(hDlg, IDC_VUCLIPHACK, TRUE);
 			if(Config.Hacks & 0x200) CheckDlgButton(hDlg, IDC_FPUCLAMPHACK, TRUE);
+			if(Config.Hacks & 0x400) CheckDlgButton(hDlg, IDC_DENORMALS, 2);
 
 			return TRUE;
 
@@ -739,13 +744,16 @@ BOOL APIENTRY HacksProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) {
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_SYNCHACK) ? 0x1 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_OVERFLOWHACK) ? 0x2 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_SOUNDHACK) ? 0x4 : 0;
-				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_DENORMALS) ? 0x8 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_SYNCHACK2) ? 0x10 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_SYNCHACK3) ? 0x20 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_OVERFLOWHACK_EXTRA) ? 0x40 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_FASTBRANCHES) ? 0x80 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_VUCLIPHACK) ? 0x100 : 0;
 				Config.Hacks |= IsDlgButtonChecked(hDlg, IDC_FPUCLAMPHACK) ? 0x200 : 0;
+				Config.Hacks |= ( IsDlgButtonChecked(hDlg, IDC_DENORMALS) == 2 ) ? 0x408 : (IsDlgButtonChecked(hDlg, IDC_DENORMALS) ? 0x8 : 0); // 0x408 == greyed checkbox (DaZ SSE flag; so the CPU sets denormals to zero)
+
+				g_sseVUMXCSR = CHECK_DENORMALS;
+				SetCPUState(g_sseMXCSR, g_sseVUMXCSR);
 
 				SaveConfig(); 
 
diff --git a/pcsx2/windows/pcsx2.rc b/pcsx2/windows/pcsx2.rc
index d3c2570d01..eb1d23461b 100644
--- a/pcsx2/windows/pcsx2.rc
+++ b/pcsx2/windows/pcsx2.rc
@@ -950,7 +950,7 @@ BEGIN
     CONTROL         "Disable All Overflow Checks - Doesn't check for overflow at all in the VU Recs.",IDC_OVERFLOWHACK,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,63,373,10
     CTEXT           "These hacks will effect the speed of PCSX2 but possibly comprimise on compatability",IDC_HACKDESC,7,7,392,8
-    CONTROL         "Tighter SPU2 Sync ( FFXII vids) - Slower, not useful anymore.",IDC_SOUNDHACK,
+    CONTROL         "Tighter SPU2 Sync ( FFXII vids) - Slower, not very useful anymore.",IDC_SOUNDHACK,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,197,323,10
     CONTROL         "IOP Sync Hack (x2) - Doubles the cycle rate of the IOP.",IDC_SYNCHACK2,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,128,270,10
@@ -958,12 +958,12 @@ BEGIN
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,142,359,10
     CONTROL         "Enable Extra Overflow Checks - Enable extra overflow checks used to help stop SPS. ( Slow! )",IDC_OVERFLOWHACK_EXTRA,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,50,377,10
-    CONTROL         "EE/IOP Fast Branches - Quick branching ( Very small speedup, use only when you need every fps! )",IDC_FASTBRANCHES,
+    CONTROL         "EE/IOP Fast Branches - Quick branching ( Very small speedup; Not Recommended!  )",IDC_FASTBRANCHES,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,183,351,10
     CTEXT           "If you have problems, disable all these and try again",IDC_STATIC,7,22,392,8
     GROUPBOX        "Overflow and Underflow",IDC_STATIC,7,36,392,60
-    CONTROL         "Denormals are Zero - Makes very small numbers equal zero. ( Big speedup on Intel CPUs ) ( Needs Restart! )",IDC_DENORMALS,
-                    "Button",BS_AUTOCHECKBOX | WS_TABSTOP,14,76,377,10
+    CONTROL         "Disable Underflow Checks - ( Checked = Small Speedup. ) ( Grey = DaZ Flag; Big Speedup for Intel CPU's! )",IDC_DENORMALS,
+                    "Button",BS_AUTO3STATE | WS_TABSTOP,14,76,377,10
     GROUPBOX        "Sync Hacks",IDC_STATIC,7,101,392,59
     GROUPBOX        "Miscellaneous / Special Game Fixes",IDC_STATIC,7,168,392,76
     CONTROL         "VU Clip Hack - Special fix for God of War; Breaks Rockstar games!",IDC_VUCLIPHACK,
diff --git a/pcsx2/x86/iVUmicro.c b/pcsx2/x86/iVUmicro.c
index c6b228e404..5ee3e2de5f 100644
--- a/pcsx2/x86/iVUmicro.c
+++ b/pcsx2/x86/iVUmicro.c
@@ -1432,7 +1432,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
 		SHL32ItoR(x86macflag, 4); // Shift the Overflow and Underflow flags left 4
 
 		//-------------------------Optional Code: Denormals Are Zero------------------------------
-		if (!(Config.Hacks & 0x8)) {  //only use if denormals hack is off
+		if (CHECK_UNDERFLOW) {  // Sets underflow/denormals to zero
 			SSE_ANDNPS_XMM_to_XMM(EEREC_TEMP, reg); // EEREC_TEMP = !EEREC_TEMP & reg
 			// Now we have Denormals are Positive Zero in EEREC_TEMP; the next two lines take Signed Zero into account
 			SSE_ANDPS_M128_to_XMM(reg, (uptr)&VU_Signed_Zero_Mask[ 0 ]);
@@ -1546,7 +1546,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
 		SHL32ItoR(x86macflag, 4); // Shift the Overflow and Underflow flags left 4
 
 		//-------------------------Optional Code: Denormals Are Zero------------------------------
-		if (!(Config.Hacks & 0x8)) {  //only use if denormals hack is off
+		if (CHECK_UNDERFLOW) {  // Sets underflow/denormals to zero
 			SSE_ANDNPS_XMM_to_XMM(t1reg, reg); // t1reg = !t1reg & reg
 			// Now we have Denormals are Positive Zero in t1reg; the next two lines take Signed Zero into account
 			SSE_ANDPS_M128_to_XMM(reg, (uptr)&VU_Signed_Zero_Mask[ 0 ]);
diff --git a/pcsx2/x86/ix86-32/iR5900-32.c b/pcsx2/x86/ix86-32/iR5900-32.c
index d15aa6ca7d..714435cf9d 100644
--- a/pcsx2/x86/ix86-32/iR5900-32.c
+++ b/pcsx2/x86/ix86-32/iR5900-32.c
@@ -1450,7 +1450,7 @@ void eeFPURecompileCode(R5900FNPTR_INFO xmmcode, R5900FNPTR_INFO fpucode, int xm
 extern u8 g_MACFlagTransform[256]; // for vus
 
 u32 g_sseMXCSR = 0x9fc0; //0x9fc0 disable all exception, round to 0, flush to 0
-u32 g_sseVUMXCSR = 0;
+u32 g_sseVUMXCSR = 0x7f80;
 
 void SetCPUState(u32 sseMXCSR, u32 sseVUMXCSR)
 {