diff --git a/slsDetectorSoftware/eigerDetectorServer/Beb.c b/slsDetectorSoftware/eigerDetectorServer/Beb.c
index 64f78e1cc..b0522622f 100644
--- a/slsDetectorSoftware/eigerDetectorServer/Beb.c
+++ b/slsDetectorSoftware/eigerDetectorServer/Beb.c
@@ -170,6 +170,38 @@ void Beb_GetModuleCopnfiguration(int* master, int* top){
 }
 
 
+u_int32_t Beb_GetFirmwareRevision(){
+	//mapping new memory
+	u_int32_t baseaddr, value = 0;
+
+	//open file pointer
+	int fd = Beb_open(XPAR_VERSION,&baseaddr);
+	if(fd < 0)
+		cprintf(RED,"Firmware Revision Read FAIL\n");
+
+	else{
+		//read revision existing bit
+		value = Beb_Read32(baseaddr, REVISION_EXISTING_OFFSET);
+		printf("Firmware Revision Read OK\n");
+		//error reading
+		if(!(value&REVISION_EXISTING_BIT)){
+			cprintf(RED,"Firmware Revision Number does not exist in this version\n");
+			value = 0;
+		}else{
+			//read revision number
+			value = Beb_Read32(baseaddr, 0);
+			printf("Firmware Revision Number Read OK\n");
+			printf("Rev: 0x%x.%x\n\n",value & REVISION_MASK,value & SUB_REVISION_MASK);
+			value &= REVISION_MASK;
+		}
+	}
+
+	//close file pointer
+	if(fd > 0)
+		Beb_close(fd);
+
+	return value;
+}
 
 void Beb_ClearBebInfos(){
 	//unsigned int i;
@@ -760,12 +792,17 @@ int Beb_open(u_int32_t baseaddr, u_int32_t* csp0base){
 	if (fd == -1)
 		cprintf(RED,"\nCan't find /dev/mem!\n");
 	else{
+#ifdef VERBOSE
 		printf("/dev/mem opened\n");
+#endif
 		*csp0base = (u_int32_t)mmap(0, 0x1000, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED, fd, baseaddr);
 		if (*csp0base == (u_int32_t)MAP_FAILED) {
 			cprintf(RED,"\nCan't map memmory area!!\n");
 			fd = -1;
-		}else printf("CSP0 mapped\n");
+		}
+#ifdef VERBOSE
+		else printf("CSP0 mapped\n");
+#endif
 	}
 	return fd;
 }
diff --git a/slsDetectorSoftware/eigerDetectorServer/Beb.h b/slsDetectorSoftware/eigerDetectorServer/Beb.h
index a5c9fc3ba..2e6f9d2a0 100644
--- a/slsDetectorSoftware/eigerDetectorServer/Beb.h
+++ b/slsDetectorSoftware/eigerDetectorServer/Beb.h
@@ -48,8 +48,7 @@ struct BebInfo{
 
 
   void Beb_GetModuleCopnfiguration(int* master, int* top);
-
-
+  u_int32_t Beb_GetFirmwareRevision();
 
   int Beb_WriteTo(unsigned int index);
 
diff --git a/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h b/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
index 1f9b522c1..a0380c848 100644
--- a/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
+++ b/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
@@ -116,7 +116,7 @@
 // Master Slave Top Bottom Definition
 #define MODULE_CONFIGURATION_MASK 0x84
 
-//new memory
+//command memory
 #define LEFT_OFFSET					0x0
 #define RIGHT_OFFSET				0x100
 
@@ -130,4 +130,9 @@
 #define TWO_REQUESTS_OFFSET			0x1c
 #define TWO_REQUESTS_BIT			0x80000000
 
+//firmware version
+#define REVISION_EXISTING_OFFSET	8
+#define REVISION_EXISTING_BIT		0x80000000
+#define REVISION_MASK				0x0FFFFFFF
+#define SUB_REVISION_MASK			0xF0000000
 
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServer b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServer
index 2aa58e4fa..ef98c4c4d 100755
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServer and b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServer differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
index 5f5ccd92f..e2287f1e0 100644
--- a/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
@@ -209,7 +209,7 @@ int64_t getDetectorId(enum idMode arg){
 		retval =  getDetectorNumber();/** to be implemented with mac? */
 		break;
 	case DETECTOR_FIRMWARE_VERSION:
-		return FIRMWAREREV;/** to be implemented */
+		return (int64_t)Beb_GetFirmwareRevision();
 	case DETECTOR_SOFTWARE_VERSION:
 		retval= SVNREV;
 		retval= (retval <<32) | SVNDATE;
diff --git a/slsDetectorSoftware/eigerDetectorServer/xparameters.h b/slsDetectorSoftware/eigerDetectorServer/xparameters.h
index 191bd6e2f..424ff8d15 100644
--- a/slsDetectorSoftware/eigerDetectorServer/xparameters.h
+++ b/slsDetectorSoftware/eigerDetectorServer/xparameters.h
@@ -49,9 +49,13 @@ XPAR_PLB_LL_FIFO_AURORA_DUAL_CTRL_FEB_LEFT_BASEADDR
 #define XPAR_PLB_GPIO_SYS_BASEADDR 0xD1000000
 #define XPAR_PLB_GPIO_SYS_HIGHADDR 0xD100FFFF
 
-/** Stop Acquisition */
+/** Command Generator */
 #define XPAR_CMD_GENERATOR 0xC5000000
 
+
+/** Version Numbers */
+#define XPAR_VERSION 			0xc6000000
+
 /* Definitions for peripheral PLB_GPIO_TEST */
 #define XPAR_PLB_GPIO_TEST_BASEADDR 0xD1010000
 #define XPAR_PLB_GPIO_TEST_HIGHADDR 0xD101FFFF