diff --git a/ChipInfoDb.dedicfg b/ChipInfoDb.dedicfg
index dd11e54..1c75ade 100755
--- a/ChipInfoDb.dedicfg
+++ b/ChipInfoDb.dedicfg
@@ -2,7 +2,7 @@
 <DediProgChipDatabase
     Description="DediProg Pro Supported memory info"
     Creator="DediProg Pro"
-    Ver="3.00"
+    Ver="4.00"
     CreateDate="2007-September-25"
     Locale="2052">
 <Portofolio
@@ -15773,6 +15773,28 @@ RDIDCommand="0x9F"
     Timeout="480"
     JedecDeviceID="0x9D601A"
     ManufactureID="0x9D"
+
+    DeviceID="0x19"
+    ChipSizeInKByte="65536"
+    SectorSizeInByte="4096"
+    PageSizeInByte="256"
+    BlockSizeInByte="65536"
+    AddrWidth="4"
+
+    IDNumber="3"
+    RDIDCommand="0x9F"/>
+<Chip TypeName="IS25LP512MG"
+	ICType="SPI_NOR"
+    Class="W25Qxx_Large"
+    UniqueID="0x9D6020"
+    Description="512 Mbit Serial Flash Memory"
+    Manufacturer="ISSI"
+    ManufactureUrl="www.issi.com"
+    Voltage="3.3V"
+    Clock="133MHz"
+    Timeout="480"
+    JedecDeviceID="0x9D6020"
+    ManufactureID="0x9D"
     DeviceID="0x19"
     ChipSizeInKByte="65536"
     SectorSizeInByte="4096"
diff --git a/Macro.h b/Macro.h
index 184ba87..4b9f933 100755
--- a/Macro.h
+++ b/Macro.h
@@ -196,6 +196,7 @@ typedef struct ChipInfo {
 #define SUPPORT_WINBOND_W25Bxx "W25Bxx"
 #define SUPPORT_WINBOND_W25Pxx "W25Pxx"
 #define SUPPORT_WINBOND_W25Pxx_Large "W25Pxx_Large"
+#define SUPPORT_WINBOND_W25Qxx_Large "W25Qxx_Large"
 #define SUPPORT_WINBOND_W25Xxx "W25Xxx"
 #endif
 
diff --git a/SerialFlash.c b/SerialFlash.c
index fdf5ec3..cba8919 100755
--- a/SerialFlash.c
+++ b/SerialFlash.c
@@ -1694,7 +1694,7 @@ int S70FSxxx_Large_Enable4ByteAddrMode(int Enable4Byte, int Index)
 //Simon: unused ???
 int SerialFlash_Enable4ByteAddrMode(int bEnable, int Index)
 {
-    if (strstr(Chip_Info.Class, SUPPORT_EON_EN25QHxx_Large) != NULL || strstr(Chip_Info.Class, SUPPORT_MACRONIX_MX25Lxxx_Large) != NULL || strstr(Chip_Info.Class, SUPPORT_WINBOND_W25Pxx_Large) != NULL)
+    if (strstr(Chip_Info.Class, SUPPORT_EON_EN25QHxx_Large) != NULL || strstr(Chip_Info.Class, SUPPORT_MACRONIX_MX25Lxxx_Large) != NULL || strstr(Chip_Info.Class, SUPPORT_WINBOND_W25Pxx_Large) != NULL || strstr(Chip_Info.Class, SUPPORT_WINBOND_W25Qxx_Large) != NULL)
         return CEN25QHxx_LargeEnable4ByteAddrMode(bEnable, Index);
     else if (strstr(Chip_Info.Class, SUPPORT_SPANSION_S70FSxx_Large) != NULL)
         return S70FSxxx_Large_Enable4ByteAddrMode(bEnable, Index);
@@ -1762,17 +1762,23 @@ int SerialFlash_rangeProgram(struct CAddressRange* AddrRange, unsigned char* vDa
 {
     if (strstr(Chip_Info.Class, SUPPORT_ATMEL_45DBxxxB) != NULL || strstr(Chip_Info.Class, SUPPORT_ATMEL_45DBxxxD) != NULL)
         return AT45rangeProgram(AddrRange, vData, mcode_Program, mcode_ProgramCode_4Adr, Index);
-    else if (strstr(Chip_Info.Class, SUPPORT_SPANSION_S25FLxx_Large) != NULL) {
+    else if (strstr(Chip_Info.Class, SUPPORT_SPANSION_S25FLxx_Large) != NULL) 
+    {
         if ((g_bIsSF600[Index] == true)||(g_bIsSF700[Index] == true)) 
             return SerialFlash_bulkPipeProgram(AddrRange, vData, PP_4ADR_256BYTE, mcode_ProgramCode_4Adr, Index);
         else
             return SerialFlash_bulkPipeProgram(AddrRange, vData, PP_4ADDR_256BYTE_12, mcode_ProgramCode_4Adr, Index);
-    } else if (strstr(Chip_Info.Class, SUPPORT_SPANSION_S70FSxx_Large) != NULL) {
-        if ((g_bIsSF600[Index] == true)||(g_bIsSF700[Index] == true)) {
+    } 
+    else if (strstr(Chip_Info.Class, SUPPORT_SPANSION_S70FSxx_Large) != NULL) 
+    {
+        if ((g_bIsSF600[Index] == true)||(g_bIsSF700[Index] == true))  
+        {
             return SerialFlash_bulkPipeProgram(AddrRange, vData, PP_4ADDR_256BYTE_S70FS01GS, mcode_ProgramCode_4Adr_S70FSxxx, Index);
-        } else
+        } 
+        else
             return false;
-    } else
+    } 
+    else
         return SerialFlash_bulkPipeProgram(AddrRange, vData, mcode_Program, mcode_ProgramCode_4Adr, Index);
 }
 
diff --git a/dpcmd.c b/dpcmd.c
index 6d90a64..99e270d 100755
--- a/dpcmd.c
+++ b/dpcmd.c
@@ -496,7 +496,7 @@ int main(int argc, char* argv[])
     unsigned long r;
 	  char *env;
 
-    printf("\nDpCmd Linux 1.11.4.%02d Engine Version:\nLast Built on May 25 2018\n\n", GetConfigVer()); // 1. new feature.bug.configS
+    printf("\nDpCmd Linux 1.11.5.%02d Engine Version:\nLast Built on May 25 2018\n\n", GetConfigVer()); // 1. new feature.bug.configS
 
     g_ucOperation = 0;
     GetLogPath(g_LogPath);
@@ -666,7 +666,7 @@ int main(int argc, char* argv[])
             sscanf(optarg, "%d", &g_ucTarget);
             break;
         case 'c':
-            g_parameter_vcc = optarg;
+            g_parameter_vcc = optarg; 
             sscanf(optarg, "%d", &g_Vcc);
             break;
         case 'P':
@@ -1012,8 +1012,7 @@ void cli_classic_usage(bool IsShowExample)
            //	       "                                            note: the sequence is assigned by OS during USB plug-in.\n"
            "                                            - 1: Prompt the device ID of programmer connected to USB1.\n"
            //	       "                                            - n: Prompt the device ID of programmer connected to USBn.\n"
-           "    --load-file arg                         -Load a bin/hex/s19 file and compare with the memory conten.\n"
-           "                                            -work with --verify only"
+           "    --loadFile-with-verify arg                         -Load a bin/hex/s19 file and verify with the memory conten.\n"
            "\n"
            "Miscellaneous options:\n"
            "    -t [ --timeout ] arg (=300)             Timeout value in seconds\n"
@@ -1206,11 +1205,10 @@ void CloseProject(void)
 }
 
 bool DetectChip(void)
-{
-//printf("DetectChip(void)\n");
+{ 
     int dev_cnt = get_usb_dev_cnt();
     Chip_Info = GetFirstDetectionMatch(strTypeName,0);
-    if (g_uiDevNum == 0) {
+    if (g_uiDevNum == 0) { 
         for (int i = 0; i < dev_cnt; i++) {
             if (!Is_usbworking(i)) {
                 printf("%s", msg_err_communication);
@@ -1226,7 +1224,7 @@ bool DetectChip(void)
 
             RawInstructions(i);
         }
-    } else if (g_uiDevNum <= dev_cnt) {
+    } else if (g_uiDevNum <= dev_cnt) { 
         if (!Is_usbworking(g_uiDevNum - 1)) {
             printf("%s", msg_err_communication);
             return false;
diff --git a/parse.c b/parse.c
index 4af42bd..3ac3f15 100755
--- a/parse.c
+++ b/parse.c
@@ -265,7 +265,7 @@ int Dedi_Search_Chip_Db(char* chTypeName,long RDIDCommand,
     CHIP_INFO* Chip_Info, 
     int search_all)
 { 
-    //printf("Dedi_Search_Chip_Db_FirstDetect(RDIDCommand=0x%lx,UniqueID=0x%lx,search_all=%d)\n",RDIDCommand,UniqueID,search_all);
+    //printf("evy Dedi_Search_Chip_Db_FirstDetect(RDIDCommand=0x%lx,UniqueID=0x%lx,search_all=%d)\n",RDIDCommand,UniqueID,search_all);
  
     FILE* fp; /*Declare file pointer variable*/
     int found_flag = 0;
@@ -373,8 +373,7 @@ int Dedi_Search_Chip_Db(char* chTypeName,long RDIDCommand,
         if (pch != NULL) {
             memset(test, '\0', testbufsize);
             strcpy(test, pch + strlen("Voltage"));
-            tok = strtok(test, "\"= \t");
-            //printf("Voltage = %s\n",tok);
+            tok = strtok(test, "\"= \t"); 
             if (strcmp(tok, "3.3V") == 0)
                 Chip_Info_temp.VoltageInMv = 3300;
             else if (strcmp(tok, "2.5V") == 0)
@@ -514,6 +513,7 @@ int Dedi_Search_Chip_Db(char* chTypeName,long RDIDCommand,
 
 int Dedi_Search_Chip_Db_ByTypeName(char* TypeName, CHIP_INFO* Chip_Info)
 {
+    //printf("Dedi_Search_Chip_Db_ByTypeName = %s\n",TypeName);
     FILE* fp; /*Declare file pointer variable*/
     int found_flag = 0, i;
     char file_line_buf[linebufsize], *tok, *file_buf, test[testbufsize];
diff --git a/project.c b/project.c
index b1a7ea3..358fdee 100755
--- a/project.c
+++ b/project.c
@@ -130,7 +130,7 @@ void TurnOFFVpp(int Index)
 }
 
 void TurnONVcc(int Index)
-{
+{  
     dediprog_set_spi_voltage(g_Vcc, Index);
 }
 
@@ -430,7 +430,7 @@ bool threadBlankCheck(int Index)
 }
 
 bool threadEraseWholeChip(int Index)
-{
+{  
     bool result = false;
 
     //	power::CAutoVccPower autopowerVcc(m_usb, m_context.power.vcc,Index);
@@ -1254,30 +1254,38 @@ printf("GetFirstDetectionMatch(%x)\n",Index);
 }
 #else
 CHIP_INFO GetFirstDetectionMatch(char* TypeName,int Index)
-{
-
-    //printf("GetFirstDetectionMatch_temp(%x)\n",Index);
+{ 
     CHIP_INFO binfo;
     binfo.UniqueID = 0;
+    unsigned int g_Vcc_temp = 0;
     //char TypeName[1024]; 
 
    // memset(TypeName, '\0', 1024);
+
     int Found = 0;
     int i = 0;
     int Loop = 3;
-    if (strcmp(g_parameter_vcc, "NO") != 0)
-        Loop = 1;
+    if (strcmp(g_parameter_vcc, "NO") != 0) //g_parameter_vcc!=NO
+        Loop = 1; 
+    
+    if(strlen(TypeName)!=0)
+      g_Vcc_temp = g_Vcc;
 
     for (i = 0; i < Loop; i++) {
         if (Found == 1)
+	{
+   	    if(strlen(TypeName)!=0)
+	        g_Vcc = g_Vcc_temp;
             break;
-        if (Loop == 1)
+        }
+	if (Loop == 1)
             g_Vcc = vcc3_5V;
         else
-            g_Vcc = vcc1_8V - i;
+            g_Vcc = vcc1_8V - i; 
 
         TurnONVcc(Index);
-        if (Is_usbworking(Index)) {
+        if (Is_usbworking(Index)) 
+	{
             if ((g_bIsSF600[Index] == true)||(g_bIsSF700[Index] == true)) {
                 int startmode;
 
@@ -1314,6 +1322,7 @@ CHIP_INFO GetFirstDetectionMatch(char* TypeName,int Index)
         binfo.UniqueID = 0;
         binfo.TypeName[0] = '\0';
     }
+ 
     return binfo;//*TypeName;
 }
 #endif
@@ -1487,6 +1496,15 @@ void SetProgReadCommand(int Index)
         mcode_SegmentErase = SE;
         mcode_ProgramCode_4Adr = 0x02;
         mcode_ReadCode = 0x0C;
+    } else if (strstr(Chip_Info.Class, SUPPORT_WINBOND_W25Qxx_Large) != NULL) {
+        mcode_RDSR = RDSR;
+        mcode_WRSR = WRSR;
+        mcode_ChipErase = CHIP_ERASE;
+        mcode_Program = PP_4ADR_256BYTE;
+        mcode_Read = BULK_4BYTE_FAST_READ;
+        mcode_SegmentErase = SE;
+        mcode_ProgramCode_4Adr = 0x02;
+        mcode_ReadCode = 0x0B;
     } else if (strstr(Chip_Info.Class, SUPPORT_ATMEL_45DBxxxB) != NULL) {
         mcode_RDSR = 0xD7;
         mcode_WRSR = 0;
@@ -1511,13 +1529,13 @@ void SetProgReadCommand(int Index)
 }
 
 bool ProjectInitWithID(CHIP_INFO chipinfo, int Index) // by designated ID
-{
+{   
     DownloadAddrRange.start = 0;
     DownloadAddrRange.end = Chip_Info.ChipSizeInByte;
     InitLED(Index);
     //    SetTargetFlash(g_StartupMode,Index); //for SF600 Freescale issue
     SetProgReadCommand(Index);
-    if (strcmp(g_parameter_vcc, "NO") == 0) {
+    if (strcmp(g_parameter_vcc, "NO") == 0) { 
         switch (Chip_Info.VoltageInMv) {
         case 1800:
             g_Vcc = vcc1_8V;
@@ -1530,15 +1548,16 @@ bool ProjectInitWithID(CHIP_INFO chipinfo, int Index) // by designated ID
             break;
         }
     }
-
+ 
     return true;
 }
 
 bool ProjectInit(int Index) // by designated ID
-{
-    //printf("bool ProjectInit(%d)\n",Index);
+{ 
     Chip_Info = GetFirstDetectionMatch(strTypeName,Index);
     if (Chip_Info.UniqueID == 0)
+    { 
         return false;
+    }
     return ProjectInitWithID(Chip_Info, Index);
 }
diff --git a/usbdriver.c b/usbdriver.c
index a06c6b1..36f11b9 100755
--- a/usbdriver.c
+++ b/usbdriver.c
@@ -327,7 +327,7 @@ int BulkPipeWrite(unsigned char* pBuff, unsigned int size, unsigned int timeOut,
 }
 
 int dediprog_set_spi_voltage(int v, int Index)
-{
+{   
     int ret = 0;
     //    int voltage_selector;
     CNTRPIPE_RQ rq;