diff --git a/reactos/bootdata/hiveinst.inf b/reactos/bootdata/hiveinst.inf
index 888b3c8c74a..ab8226e0b16 100644
--- a/reactos/bootdata/hiveinst.inf
+++ b/reactos/bootdata/hiveinst.inf
@@ -24,7 +24,8 @@ HKLM,"SYSTEM\CurrentControlSet\Services\Vga","Start",0x00010001,0x00000001
 ;
 
 ; PS/2 mouse port driver
-HKLM,"SYSTEM\CurrentControlSet\Services\Psaux","Start",0x00010001,0x00000001
+HKLM,"SYSTEM\CurrentControlSet\Services\i8042Prt","Start",0x00010001,0x00000001
+
 
 ; Serial mouse driver
 ;HKLM,"SYSTEM\CurrentControlSet\Services\Sermouse","Start",0x00010001,0x00000001
diff --git a/reactos/bootdata/hivesys.inf b/reactos/bootdata/hivesys.inf
index 087c99f112e..012ce92cbce 100644
--- a/reactos/bootdata/hivesys.inf
+++ b/reactos/bootdata/hivesys.inf
@@ -583,6 +583,7 @@ HKLM,"SYSTEM\CurrentControlSet\Services\i8042Prt","Type",0x00010001,0x00000001
 
 HKLM,"SYSTEM\CurrentControlSet\Services\i8042Prt\Parameters","SampleRate",0x00010001,0x00000060
 HKLM,"SYSTEM\CurrentControlSet\Services\i8042Prt\Parameters","BreakOnSysRq",0x00010001,0x00000001
+HKLM,"SYSTEM\CurrentControlSet\Services\i8042Prt\Parameters","MouseResolution",0x00010001,0x00000003
 
 ; Keyboard class driver
 HKLM,"SYSTEM\CurrentControlSet\Services\kbdclass","ErrorControl",0x00010001,0x00000000
diff --git a/reactos/drivers/input/i8042prt/i8042prt.h b/reactos/drivers/input/i8042prt/i8042prt.h
index 6d155e200e9..85bb5497da7 100644
--- a/reactos/drivers/input/i8042prt/i8042prt.h
+++ b/reactos/drivers/input/i8042prt/i8042prt.h
@@ -87,7 +87,7 @@ typedef struct _I8042_SETTINGS
 	DWORD OverrideKeyboardSubtype;
 	DWORD MouseResendStallTime;
 	DWORD MouseSynchIn100ns;
-	DWORD MouseResolution;
+	DWORD MouseResolution;        /* done */
 	DWORD NumberOfButtons;
 	DWORD EnableWheelDetection;
 } I8042_SETTINGS, *PI8042_SETTINGS;
diff --git a/reactos/drivers/input/i8042prt/mouse.c b/reactos/drivers/input/i8042prt/mouse.c
index b044b0fc89a..ec7239fbebd 100644
--- a/reactos/drivers/input/i8042prt/mouse.c
+++ b/reactos/drivers/input/i8042prt/mouse.c
@@ -299,7 +299,9 @@ BOOLEAN STDCALL I8042MouseResetIsr(PDEVICE_EXTENSION DevExt,
 		DevExt->MouseResetState = ExpectingFinalResolutionACK;
 		return TRUE;
 	case ExpectingFinalResolutionACK:
-		I8042IsrWritePortMouse(DevExt, 0x03);
+		I8042IsrWritePortMouse(DevExt,
+		                       DevExt->Settings.MouseResolution & 0xff);
+		DPRINT1("%x\n", DevExt->Settings.MouseResolution);
 		DevExt->MouseResetState = ExpectingFinalResolutionValueACK;
 		return TRUE;
 	case ExpectingFinalResolutionValueACK: