diff --git a/Downstream/Inc/build_config.h b/Downstream/Inc/build_config.h
index 8ea8457..78bdc24 100644
--- a/Downstream/Inc/build_config.h
+++ b/Downstream/Inc/build_config.h
@@ -19,5 +19,7 @@
 #define CONFIG_KEYBOARD_ENABLED
 #define CONFIG_MOUSE_ENABLED
 
+#define CONFIG_READ_FLASH_TIME_MS           3000        //Enable read LED flashes for the specified length of time
+
 
 #endif /* INC_BUILD_CONFIG_H_ */
diff --git a/Downstream/Inc/led.h b/Downstream/Inc/led.h
index 9e6ae39..b79fc91 100644
--- a/Downstream/Inc/led.h
+++ b/Downstream/Inc/led.h
@@ -22,7 +22,8 @@ typedef enum
     LED_STATUS_OFF,
     LED_STATUS_FLASH_ERROR,
     LED_STATUS_FLASH_UNSUPPORTED,
-    LED_STATUS_FLASH_BOTDETECT
+    LED_STATUS_FLASH_BOTDETECT,
+    LED_STATUS_FLASH_READWRITE
 }
 LedStatusTypeDef;
 
@@ -36,8 +37,10 @@ void LED_Tick(void);
 
 #define LED_ERROR_BLINK_MS          100
 #define LED_UNSUPPORTED_BLINK_MS    500
-#define LED_BOTDETECT_BLINK_MS      100
-#define LED_BOTDETECT_OFF_MS        (1000 - (LED_BOTDETECT_BLINK_MS * 3))       //Two flashes, total period = 1 sec
+#define LED_BOTDETECT_ON_MS         100
+#define LED_BOTDETECT_OFF_MS        (1000 - (LED_BOTDETECT_ON_MS * 3))       //Two flashes, total period = 1 sec
+#define LED_READWRITE_ON_MS         10
+#define LED_READWRITE_OFF_MS        30
 
 
 
diff --git a/Downstream/Src/downstream_msc.c b/Downstream/Src/downstream_msc.c
index d639ece..7111ce9 100644
--- a/Downstream/Src/downstream_msc.c
+++ b/Downstream/Src/downstream_msc.c
@@ -16,6 +16,7 @@
 #include "downstream_spi.h"
 #include "usbh_msc.h"
 #include "build_config.h"
+#include "led.h"
 
 
 #ifdef CONFIG_MASS_STORAGE_ENABLED
@@ -164,6 +165,7 @@ static void Downstream_MSC_PacketProcessor_BeginRead(DownstreamPacketTypeDef* re
         return;
     }
 
+    LED_SetState(LED_STATUS_FLASH_READWRITE);
     readBlockAddress = *(uint64_t*)&(receivedPacket->Data[0]);
     readBlockCount   = *(uint32_t*)&(receivedPacket->Data[8]);
     readByteCount    = readBlockCount * MSC_Handle->unit[MSC_FIXED_LUN].capacity.block_size;
diff --git a/Downstream/Src/led.c b/Downstream/Src/led.c
index eb0a188..c048290 100644
--- a/Downstream/Src/led.c
+++ b/Downstream/Src/led.c
@@ -14,6 +14,7 @@
 #include "board_config.h"
 
 uint32_t            FaultLedCounter;
+uint32_t            ReadWriteFlashEndTime;
 
 LedStatusTypeDef    FaultLedState;
 uint16_t            FaultLedOnMs;
@@ -27,15 +28,14 @@ uint8_t             FaultLedOutputState;
 void LED_Init(void)
 {
     FAULT_LED_ON;
+    ReadWriteFlashEndTime = 0;
     FaultLedState = LED_STATUS_STARTUP;
 }
 
 
 void LED_SetState(LedStatusTypeDef newState)
 {
-    FaultLedState = newState;
-
-    switch (FaultLedState)
+    switch (newState)
     {
     case LED_STATUS_OFF:
         FaultLedCounter = UINT32_MAX;
@@ -51,16 +51,34 @@ void LED_SetState(LedStatusTypeDef newState)
         break;
 
     case LED_STATUS_FLASH_BOTDETECT:
-        FaultLedOnMs = LED_BOTDETECT_BLINK_MS;
+        FaultLedOnMs = LED_BOTDETECT_ON_MS;
         FaultLedOffMs = LED_BOTDETECT_OFF_MS;
         FaultLedBlinkCount = 2;
         break;
 
+    case LED_STATUS_FLASH_READWRITE:
+#ifdef CONFIG_READ_FLASH_TIME_MS
+        if (FaultLedState == LED_STATUS_OFF)
+        {
+            FaultLedOnMs = LED_READWRITE_ON_MS;
+            FaultLedOffMs = LED_READWRITE_OFF_MS;
+            FaultLedBlinkCount = 1;
+            ReadWriteFlashEndTime = HAL_GetTick() + CONFIG_READ_FLASH_TIME_MS;
+        }
+        else
+#endif
+        {
+            newState = FaultLedState;               //Don't override other active states
+        }
+        break;
+
     default:
         FaultLedOnMs = LED_ERROR_BLINK_MS;           //Everything else is LED_STATUS_ERROR
         FaultLedOffMs = LED_ERROR_BLINK_MS;
         FaultLedBlinkCount = 1;
     }
+
+    FaultLedState = newState;
 }
 
 
@@ -77,6 +95,17 @@ void LED_Tick(void)
         return;
     }
 
+#ifdef CONFIG_READ_FLASH_TIME_MS
+    if (FaultLedState == LED_STATUS_FLASH_READWRITE)
+    {
+        if ((int32_t)(HAL_GetTick() - ReadWriteFlashEndTime) > 0)
+        {
+            LED_SetState(LED_STATUS_OFF);
+            return;
+        }
+    }
+#endif
+
     if (FaultLedOutputState)
     {
         if (FaultLedCounter++ >= FaultLedOnMs)                  //Check to turn LED off
diff --git a/Upstream/Inc/build_config.h b/Upstream/Inc/build_config.h
index fecb448..f0a7bd0 100644
--- a/Upstream/Inc/build_config.h
+++ b/Upstream/Inc/build_config.h
@@ -22,6 +22,9 @@
 #define CONFIG_MOUSE_ENABLED
 #define CONFIG_MOUSE_BOT_DETECT_ENABLED
 
+#define CONFIG_WRITE_FLASH_TIME_MS                          3000        //Enable write LED flashes for the specified length of time
+
+
 
 //Configure keyboard bot detection here:
 #ifdef CONFIG_KEYBOARD_BOT_DETECT_ENABLED
diff --git a/Upstream/Inc/led.h b/Upstream/Inc/led.h
index 278ca0d..c6d64b2 100644
--- a/Upstream/Inc/led.h
+++ b/Upstream/Inc/led.h
@@ -22,7 +22,8 @@ typedef enum
     LED_STATUS_OFF,
     LED_STATUS_FLASH_ERROR,
     LED_STATUS_FLASH_UNSUPPORTED,
-    LED_STATUS_FLASH_BOTDETECT
+    LED_STATUS_FLASH_BOTDETECT,
+    LED_STATUS_FLASH_READWRITE
 }
 LedStatusTypeDef;
 
@@ -36,8 +37,10 @@ void LED_Tick(void);
 
 #define LED_ERROR_BLINK_MS          100
 #define LED_UNSUPPORTED_BLINK_MS    500
-#define LED_BOTDETECT_BLINK_MS      100
-#define LED_BOTDETECT_OFF_MS        (1000 - (LED_BOTDETECT_BLINK_MS * 3))       //Two flashes, total period = 1 sec
+#define LED_BOTDETECT_ON_MS         100
+#define LED_BOTDETECT_OFF_MS        (1000 - (LED_BOTDETECT_ON_MS * 3))       //Two flashes, total period = 1 sec
+#define LED_READWRITE_ON_MS         10
+#define LED_READWRITE_OFF_MS        30
 
 
 #endif /* INC_LED_H_ */
diff --git a/Upstream/Src/led.c b/Upstream/Src/led.c
index 0f1135f..0ba13c1 100644
--- a/Upstream/Src/led.c
+++ b/Upstream/Src/led.c
@@ -14,6 +14,7 @@
 #include "board_config.h"
 
 uint32_t            FaultLedCounter;
+uint32_t            ReadWriteFlashEndTime;
 
 LedStatusTypeDef    FaultLedState;
 uint16_t            FaultLedOnMs;
@@ -27,15 +28,14 @@ uint8_t             FaultLedOutputState;
 void LED_Init(void)
 {
     FAULT_LED_ON;
+    ReadWriteFlashEndTime = 0;
     FaultLedState = LED_STATUS_STARTUP;
 }
 
 
 void LED_SetState(LedStatusTypeDef newState)
 {
-    FaultLedState = newState;
-
-    switch (FaultLedState)
+    switch (newState)
     {
     case LED_STATUS_OFF:
         FaultLedCounter = UINT32_MAX;
@@ -51,16 +51,34 @@ void LED_SetState(LedStatusTypeDef newState)
         break;
 
     case LED_STATUS_FLASH_BOTDETECT:
-        FaultLedOnMs = LED_BOTDETECT_BLINK_MS;
+        FaultLedOnMs = LED_BOTDETECT_ON_MS;
         FaultLedOffMs = LED_BOTDETECT_OFF_MS;
         FaultLedBlinkCount = 2;
         break;
 
+    case LED_STATUS_FLASH_READWRITE:
+#ifdef CONFIG_WRITE_FLASH_TIME_MS
+        if (FaultLedState == LED_STATUS_OFF)
+        {
+            FaultLedOnMs = LED_READWRITE_ON_MS;
+            FaultLedOffMs = LED_READWRITE_OFF_MS;
+            FaultLedBlinkCount = 1;
+            ReadWriteFlashEndTime = HAL_GetTick() + CONFIG_WRITE_FLASH_TIME_MS;
+        }
+        else
+#endif
+        {
+            newState = FaultLedState;               //Don't override other active states
+        }
+        break;
+
     default:
         FaultLedOnMs = LED_ERROR_BLINK_MS;           //Everything else is LED_STATUS_ERROR
         FaultLedOffMs = LED_ERROR_BLINK_MS;
         FaultLedBlinkCount = 1;
     }
+
+    FaultLedState = newState;
 }
 
 
@@ -77,6 +95,17 @@ void LED_Tick(void)
         return;
     }
 
+#ifdef CONFIG_WRITE_FLASH_TIME_MS
+    if (FaultLedState == LED_STATUS_FLASH_READWRITE)
+    {
+        if ((int32_t)(HAL_GetTick() - ReadWriteFlashEndTime) > 0)
+        {
+            LED_SetState(LED_STATUS_OFF);
+            return;
+        }
+    }
+#endif
+
     if (FaultLedOutputState)
     {
         if (FaultLedCounter++ >= FaultLedOnMs)                  //Check to turn LED off
diff --git a/Upstream/Src/upstream_msc.c b/Upstream/Src/upstream_msc.c
index 954f870..b7306ce 100644
--- a/Upstream/Src/upstream_msc.c
+++ b/Upstream/Src/upstream_msc.c
@@ -298,6 +298,7 @@ HAL_StatusTypeDef Upstream_MSC_BeginWrite(UpstreamMSCCallbackTypeDef callback,
         return HAL_ERROR;
     }
 
+    LED_SetState(LED_STATUS_FLASH_READWRITE);
     BlockStart = writeBlockStart;
     BlockCount = writeBlockCount;
     BeginWriteCallback = callback;