diff --git a/Source/HBIOS/ch376-native/base-drv/ch376.c.s b/Source/HBIOS/ch376-native/base-drv/ch376.c.s
index 0277a1e8..bec3ed6c 100644
--- a/Source/HBIOS/ch376-native/base-drv/ch376.c.s
+++ b/Source/HBIOS/ch376-native/base-drv/ch376.c.s
@@ -530,10 +530,9 @@ l_ch_data_in_transfer_00107:
 	pop	bc
 ;source-doc/base-drv/ch376.c:172: if (count == 0) {
 	ld	a, e
+;source-doc/base-drv/ch376.c:173: USB_MODULE_LEDS = 0x00;
 	or	a
 	jr	NZ,l_ch_data_in_transfer_00106
-;source-doc/base-drv/ch376.c:173: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:174: return USB_ERR_DATA_ERROR;
@@ -563,8 +562,8 @@ l_ch_data_in_transfer_00148:
 	xor	0x80
 l_ch_data_in_transfer_00149:
 	jp	M, l_ch_data_in_transfer_00107
-;source-doc/base-drv/ch376.c:181: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:181: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:182: return USB_ERR_OK;
@@ -572,8 +571,8 @@ l_ch_data_in_transfer_00149:
 	jr	l_ch_data_in_transfer_00111
 ;source-doc/base-drv/ch376.c:184: done:
 l_ch_data_in_transfer_00110:
-;source-doc/base-drv/ch376.c:185: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:185: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:186: return result;
@@ -623,8 +622,8 @@ _ch_data_in_transfer_n:
 	ld	c,(ix+6)
 	ld	b,(ix+7)
 	ld	(bc), a
-;source-doc/base-drv/ch376.c:205: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:205: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:207: return USB_ERR_OK;
@@ -632,8 +631,8 @@ _ch_data_in_transfer_n:
 	jr	l_ch_data_in_transfer_n_00104
 ;source-doc/base-drv/ch376.c:208: done:
 l_ch_data_in_transfer_n_00103:
-;source-doc/base-drv/ch376.c:209: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:209: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:210: return result;
@@ -740,8 +739,8 @@ l_ch_data_out_transfer_00110:
 	ld	(de), a
 	jr	l_ch_data_out_transfer_00103
 l_ch_data_out_transfer_00105:
-;source-doc/base-drv/ch376.c:231: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:231: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:232: return USB_ERR_OK;
@@ -749,8 +748,8 @@ l_ch_data_out_transfer_00105:
 	jr	l_ch_data_out_transfer_00107
 ;source-doc/base-drv/ch376.c:234: done:
 l_ch_data_out_transfer_00106:
-;source-doc/base-drv/ch376.c:235: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/ch376.c:235: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/ch376.c:236: return result;
diff --git a/Source/HBIOS/ch376-native/base-drv/usb-init.c.s b/Source/HBIOS/ch376-native/base-drv/usb-init.c.s
index ba928203..909ce1fb 100644
--- a/Source/HBIOS/ch376-native/base-drv/usb-init.c.s
+++ b/Source/HBIOS/ch376-native/base-drv/usb-init.c.s
@@ -100,8 +100,8 @@ __chnative_init:
 	inc	de
 	ld	bc,0x0068
 	ldir
-;source-doc/base-drv/usb-init.c:28: USB_MODULE_LEDS = 0x00;
-	ld	a,0x00
+;source-doc/base-drv/usb-init.c:28: USB_MODULE_LEDS = 0x03;
+	ld	a,0x03
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/usb-init.c:30: ch_cmd_reset_all();
@@ -158,9 +158,10 @@ l__chnative_init_00110:
 ;source-doc/base-drv/usb-init.c:52: if (!ch_probe()) {
 	call	_ch_probe
 	ld	a, l
-;source-doc/base-drv/usb-init.c:53: USB_MODULE_LEDS = 0x00;
 	or	a
 	jr	NZ,l__chnative_init_00108
+;source-doc/base-drv/usb-init.c:53: USB_MODULE_LEDS = 0x03;
+	ld	a,0x03
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/usb-init.c:54: print_string("\r\nCH376: NOT PRESENT$");
@@ -173,8 +174,8 @@ l__chnative_init_00108:
 	ld	hl,usb_init_str_5
 	call	_print_string
 l__chnative_init_00111:
-;source-doc/base-drv/usb-init.c:61: USB_MODULE_LEDS = 0x01;
-	ld	a,0x01
+;source-doc/base-drv/usb-init.c:61: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/usb-init.c:63: print_hex(ch_cmd_get_ic_version());
@@ -251,8 +252,8 @@ l__chnative_init_00122:
 	jr	C,l__chnative_init_00122
 ;source-doc/base-drv/usb-init.c:92: connected:
 l__chnative_init_00118:
-;source-doc/base-drv/usb-init.c:93: USB_MODULE_LEDS = 0x03;
-	ld	a,0x03
+;source-doc/base-drv/usb-init.c:93: USB_MODULE_LEDS = 0x00;
+	ld	a,0x00
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/usb-init.c:94: return;
@@ -262,8 +263,8 @@ l__chnative_init_00126:
 	inc	c
 	jr	l__chnative_init_00125
 l__chnative_init_00121:
-;source-doc/base-drv/usb-init.c:98: USB_MODULE_LEDS = 0x00;
-	ld	a,0x00
+;source-doc/base-drv/usb-init.c:98: USB_MODULE_LEDS = 0x03;
+	ld	a,0x03
 	ld	bc,_USB_MODULE_LEDS
 	out	(c), a
 ;source-doc/base-drv/usb-init.c:99: print_string("USB: DISCONNECTED$");
diff --git a/Source/HBIOS/ch376-native/source-doc/base-drv/ch376.c b/Source/HBIOS/ch376-native/source-doc/base-drv/ch376.c
index c26a70d3..33c5264e 100644
--- a/Source/HBIOS/ch376-native/source-doc/base-drv/ch376.c
+++ b/Source/HBIOS/ch376-native/source-doc/base-drv/ch376.c
@@ -170,7 +170,7 @@ usb_error ch_data_in_transfer(uint8_t *buffer, int16_t buffer_size, endpoint_par
     count = ch_read_data(buffer);
 
     if (count == 0) {
-      USB_MODULE_LEDS = 0x03;
+      USB_MODULE_LEDS = 0x00;
       return USB_ERR_DATA_ERROR;
     }
 
@@ -178,11 +178,11 @@ usb_error ch_data_in_transfer(uint8_t *buffer, int16_t buffer_size, endpoint_par
     buffer_size -= count;
   } while (buffer_size > 0);
 
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
   return USB_ERR_OK;
 
 done:
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
   return result;
 }
 
@@ -202,11 +202,11 @@ usb_error ch_data_in_transfer_n(uint8_t *const buffer, int8_t *const buffer_size
 
   *buffer_size = count;
 
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
 
   return USB_ERR_OK;
 done:
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
   return result;
 }
 
@@ -228,11 +228,11 @@ usb_error ch_data_out_transfer(const uint8_t *buffer, int16_t buffer_length, end
     endpoint->toggle = !endpoint->toggle;
   }
 
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
   return USB_ERR_OK;
 
 done:
-  USB_MODULE_LEDS = 0x03;
+  USB_MODULE_LEDS = 0x00;
   return result;
 }
 
diff --git a/Source/HBIOS/ch376-native/source-doc/base-drv/usb-init.c b/Source/HBIOS/ch376-native/source-doc/base-drv/usb-init.c
index fb898799..6f67636d 100644
--- a/Source/HBIOS/ch376-native/source-doc/base-drv/usb-init.c
+++ b/Source/HBIOS/ch376-native/source-doc/base-drv/usb-init.c
@@ -25,7 +25,7 @@ static usb_error usb_host_bus_reset(void) {
 void _chnative_init(bool forced) {
   memset(get_usb_work_area(), 0, sizeof(_usb_state));
 
-  USB_MODULE_LEDS = 0x00;
+  USB_MODULE_LEDS = 0x03;
 
   ch_cmd_reset_all();
 
@@ -50,7 +50,7 @@ void _chnative_init(bool forced) {
     print_string("\bPRESENT (VER $");
   } else {
     if (!ch_probe()) {
-      USB_MODULE_LEDS = 0x00;
+      USB_MODULE_LEDS = 0x03;
       print_string("\r\nCH376: NOT PRESENT$");
       return;
     }
@@ -58,7 +58,7 @@ void _chnative_init(bool forced) {
     print_string("\r\nCH376: PRESENT (VER $");
   }
 
-  USB_MODULE_LEDS = 0x01;
+  USB_MODULE_LEDS = 0x00;
 
   print_hex(ch_cmd_get_ic_version());
   print_string("); $");
@@ -90,12 +90,12 @@ void _chnative_init(bool forced) {
       }
 
     connected:
-      USB_MODULE_LEDS = 0x03;
+      USB_MODULE_LEDS = 0x00;
       return;
     }
   }
 
-  USB_MODULE_LEDS = 0x00;
+  USB_MODULE_LEDS = 0x03;
   print_string("USB: DISCONNECTED$");
 }