diff --git a/slsDetectorServers/slsDetectorServer/include/programFpgaBlackfin.h b/slsDetectorServers/slsDetectorServer/include/programFpgaBlackfin.h
index 465a4b467..0fff822d2 100644
--- a/slsDetectorServers/slsDetectorServer/include/programFpgaBlackfin.h
+++ b/slsDetectorServers/slsDetectorServer/include/programFpgaBlackfin.h
@@ -11,6 +11,7 @@ void FPGAdontTouchFlash();
 void FPGATouchFlash();
 void resetFPGA();
 
+int deleteOldFile(char *mess);
 /**
  * deletes old file
  * verify memory available to copy
diff --git a/slsDetectorServers/slsDetectorServer/src/common.c b/slsDetectorServers/slsDetectorServer/src/common.c
index e59b08801..56db264d9 100644
--- a/slsDetectorServers/slsDetectorServer/src/common.c
+++ b/slsDetectorServers/slsDetectorServer/src/common.c
@@ -7,6 +7,8 @@
 #include <string.h>
 #include <unistd.h> // readlink
 
+#define FLASH_CONVERTED_NAME "test.rawbin"
+
 int ConvertToDifferentRange(int inputMin, int inputMax, int outputMin,
                             int outputMax, int inputValue, int *outputValue) {
     LOG(logDEBUG1, (" Input Value: %d (Input:(%d - %d), Output:(%d - %d))\n",
@@ -245,6 +247,14 @@ int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
         return FAIL;
     }
 
+    FILE *flashfp = fopen(FLASH_CONVERTED_NAME, "w");
+    if (flashfp == NULL) {
+        sprintf(mess, "Unable to open %s in write mode to write checksum\n",
+                FLASH_CONVERTED_NAME);
+        LOG(logERROR, (mess));
+        return FAIL;
+    }
+
     MD5_CTX c;
     if (!MD5_Init(&c)) {
         fclose(fp);
@@ -281,6 +291,9 @@ int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
             LOG(logERROR, (mess));
             return FAIL;
         }
+        if (fwrite((void *)buf, sizeof(char), bytes, flashfp) != bytes) {
+            LOG(logERROR, ("Could not write to flash fp file\n"));
+        }
         // read only until a particular size (drive)
         if (fsize != 0 && totalBytesRead >= fsize) {
             LOG(logINFOBLUE, ("\tReached %lu bytes. Not reading more\n", totalBytesRead));
@@ -302,6 +315,7 @@ int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
     }*/
     LOG(logINFO, ("\tRead %lu bytes to calculate checksum\n", totalBytesRead));
     fclose(fp);
+    fclose(flashfp);
     return verifyChecksum(mess, clientChecksum, &c);
 }
 
diff --git a/slsDetectorServers/slsDetectorServer/src/programFpgaBlackfin.c b/slsDetectorServers/slsDetectorServer/src/programFpgaBlackfin.c
index 20c3e366b..c27bc8ba1 100644
--- a/slsDetectorServers/slsDetectorServer/src/programFpgaBlackfin.c
+++ b/slsDetectorServers/slsDetectorServer/src/programFpgaBlackfin.c
@@ -66,21 +66,25 @@ void resetFPGA() {
     usleep(CTRL_SRVR_INIT_TIME_US);
 }
 
+int deleteOldFile(char *mess) {
+    char cmd[MAX_STR_LENGTH] = {0};
+    char retvals[MAX_STR_LENGTH] = {0};
+    sprintf(cmd, "rm -fr %s", TEMP_PROG_FILE_NAME);
+    if (FAIL == executeCommand(cmd, retvals, logDEBUG1)) {
+        strcpy(mess,
+                "Could not program fpga. (could not delete old file: ");
+        strncat(mess, retvals, sizeof(mess) - strlen(mess) - 1);
+        strcat(mess, "\n");
+        LOG(logERROR, (mess));
+        return FAIL;
+    }
+    return OK;
+}
+
 int preparetoCopyFPGAProgram(FILE **fd, uint64_t fsize, char *mess) {
 
-    // delete old /var/tmp/file
-    {
-        char cmd[MAX_STR_LENGTH] = {0};
-        char retvals[MAX_STR_LENGTH] = {0};
-        sprintf(cmd, "rm -fr %s", TEMP_PROG_FILE_NAME);
-        if (FAIL == executeCommand(cmd, retvals, logDEBUG1)) {
-            strcpy(mess,
-                   "Could not program fpga. (could not delete old file: ");
-            strncat(mess, retvals, sizeof(mess) - strlen(mess) - 1);
-            strcat(mess, "\n");
-            LOG(logERROR, (mess));
-            return FAIL;
-        }
+    if (deleteOldFile(mess) == FAIL) {
+        return FAIL;
     }
 
     // check available memory to copy program
@@ -131,6 +135,10 @@ int copyToFlash(ssize_t fsize, char *clientChecksum, char *mess) {
         return FAIL;
     }
 
+    if (deleteOldFile(mess) == FAIL) {
+        return FAIL;
+    }
+
     if (verifyChecksumFromFlash(mess, clientChecksum, flashDriveName, fsize) ==
         FAIL) {
         return FAIL;