diff --git a/Shared_Includes b/Shared_Includes
index d21dd0c..857938d 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit d21dd0c0291e48f53d40b7bd09fcb8e7756dda1e
+Subproject commit 857938d1dbf3b332a5e9e8ccabfee531eb3848fa
diff --git a/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM b/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
index 80ddb4c..50c35f7 100644
--- a/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
+++ b/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
@@ -28,10 +28,16 @@ CD_5x_RESET:	LD	C,IDE.Device.ATAPI
 		RET	C
 		LD	B,50
 .loop:		PUSH	BC
-		CALL	CD_TEST
+		LD	HL,ATAPI_CMD_PACKET.NOP
+		LD	DE,0	; маркер того, что не нужно читать с устройства в ОЗУ
+		CALL	EXEC_PACKET_COMMAND
 		;!FIXIT ;[ ] sector size. сделать реинит HDD_INIT_TABLE
 		POP	BC
 		RET	NC
+		;
+		CALL	CD_CHECK_MEDIA_CHANGED
+		RET	C
+		;
 		EI 
 		HALT 
 		DJNZ  .loop
@@ -51,14 +57,6 @@ CD_5x_RESET:	LD	C,IDE.Device.ATAPI
 CD_5x_GETMED:	LD	C,IDE.Device.ATAPI
 		CALL	SELECT_DRIVE
 		RET	C
-		; [ ] sector size. media changed
-		 CALL	CD_CHECK_MEDIA_CHANGED
-		 JR	NC,.get_data
-		 ;
-		 CP	BIOS.Error.ATAPI.UnitAttention
-		 JR	NZ,.get_data
-		 ;
-
 		;
 		IN	A,(SLOT3)
 		EX	AF,AF'
@@ -69,28 +67,21 @@ CD_5x_GETMED:	LD	C,IDE.Device.ATAPI
 		  CALL	CD_CHECK_MEDIA_CHANGED
 		  JR	NC,.get_data
 		  ;
-		  CP	BIOS.Error.ATAPI.UnitAttention
-		  JR	NZ,.get_data
+		;   CP	BIOS.Error.ATAPI.UnitAttention
+		;   JR	NZ,.get_data
 		  ;
-		  LD	HL,ATAPI_CMD_PACKET.READ_CAPACITY_DATA
-		  LD	DE,SYS_PAGE.TMP_BUFFER
-		  CALL	EXEC_PACKET_COMMAND
-		  LD	HL,#FFFF
-		  JR	C,.No_Media
+		  LD	A,(IY + IDE.HDD_INIT_TABLE.RemovableMedia)
+		  AND	%1111'1101
+		  LD	(IY + IDE.HDD_INIT_TABLE.RemovableMedia),A
 		  ;
-		  LD	HL,(SYS_PAGE.TMP_BUFFER + 6)	; sector size (high byte, low byte)
-		  ;
-.No_Media:	  LD	(IY+IDE.HDD_INIT_TABLE.SectorSize),H			;[ ]sector size
-		  LD	(IY+IDE.HDD_INIT_TABLE.SectorSize + 1),L		;[ ]sector size
-		;
 .get_data:	 ;
 		 ; LD	L,(IY+IDE.HDD_INIT_TABLE.SectorsPerTrack)
 		 ; LD	H,(IY+IDE.HDD_INIT_TABLE.HeadsNumber)
 		 ; LD	E,(IY+IDE.HDD_INIT_TABLE.CylinderNumberLow)
 		 ; LD	D,(IY+IDE.HDD_INIT_TABLE.CylinderNumberHigh)
 		 LD	B,(IY+IDE.HDD_INIT_TABLE.DRV_Flags)
-		 LD	L,(IY+IDE.HDD_INIT_TABLE.SectorSize)			;[ ]sector size
-		 LD	H,(IY+IDE.HDD_INIT_TABLE.SectorSize + 1)		;[ ]sector size
+		 LD	L,(IY+IDE.HDD_INIT_TABLE.SectorSize)			;[ ] sector size
+		 LD	H,(IY+IDE.HDD_INIT_TABLE.SectorSize + 1)		;[ ] sector size
 		 EX	DE,HL
 		 LD	XL,E
 		 LD	XH,D
@@ -303,25 +294,40 @@ CD_REQUEST_SENSE:
 		JR	EXEC_PACKET_COMMAND
 ;----------------------------------------------------------------------;
 
+;[ ] media changed
 ;----------------------------------------------------------------------;
 CD_CHECK_MEDIA_CHANGED:
 		EXX
 		 LD	DE,256*(IDE.CtrlByte.Error) + 0
 		 CALL	CD_WAITPRT.Custom
 		EXX
-		RET	NC
+		;RET	NC
+		JR	C,.noWait
+		;
+		EXX
+		 LD	BC,SLOT3
+		 IN	B,(C)
+		 LD	A,SYS_PAGE
+		 OUT	(C),A
+		 ;
+		 LD	A,(IY + IDE.HDD_INIT_TABLE.RemovableMedia)
+		 OUT	(C),B
+		EXX
+		RRA
+		RRA
+		LD	A,BIOS.Error.ATAPI.UnitAttention
+		RET
 		;
 .noWait:	EXX
 		 CALL	CD_GET_ERROR
 		 OR	#70
 		EXX
 		CP	BIOS.Error.ATAPI.NoSence
-		SCF
+		;SCF
 		RET	NZ
 		;
 		CALL	CD_MEDIA_CHANGED_ERROR
-		; CF=1
-		LD	A,BIOS.Error.ATAPI.UnitAttention
+		; LD	A,BIOS.Error.ATAPI.UnitAttention
 		RET
 ;----------------------------------------------------------------------;
 
@@ -595,16 +601,14 @@ CD_WAITPRT:	LD	DE,256*(IDE.CtrlByte.Busy) + 0
 
 
 ;----------------------------------------------------------------------;
-CD_TEST:	LD	HL,ATAPI_CMD_PACKET.NOP
-		LD	DE,0	; маркер того, что не нужно читать с устройства в ОЗУ
-		JP	EXEC_PACKET_COMMAND
+; CD_TEST:	LD	HL,ATAPI_CMD_PACKET.NOP
+; 		LD	DE,0	; маркер того, что не нужно читать с устройства в ОЗУ
+; 		JP	EXEC_PACKET_COMMAND
 ;----------------------------------------------------------------------;
 
 
 ;----------------------------------------------------------------------;
 CD_MEDIA_CHANGED_ERROR:
-		PUSH	AF
-		;
 		IN	A,(SLOT3)
 		PUSH	AF
 		LD	A,SYS_PAGE
@@ -625,12 +629,31 @@ CD_MEDIA_CHANGED_ERROR:
 		AND	A
 		JR	NZ,.exit
 		;
-		LD	A,%0000'0011
+		LD	A,(IY + IDE.HDD_INIT_TABLE.RemovableMedia)
+		OR	%0000'0011
 		LD	(IY + IDE.HDD_INIT_TABLE.RemovableMedia),A
 		;
+		LD	HL,ATAPI_CMD_PACKET.READ_CAPACITY_DATA
+		LD	DE,SYS_PAGE.TMP_BUFFER
+		CALL	EXEC_PACKET_COMMAND
+		LD	HL,#FFFF
+		JR	C,.No_Media
+		;
+		LD	HL,(SYS_PAGE.TMP_BUFFER + 6)	; sector size (high byte, low byte)
+		;
+.No_Media:	LD	(IY+IDE.HDD_INIT_TABLE.SectorSize),H			;[ ] sector size
+		LD	(IY+IDE.HDD_INIT_TABLE.SectorSize + 1),L		
+		;
+		POP	AF
+		OUT	(SLOT3),A
+		LD	A,BIOS.Error.ATAPI.UnitAttention
+		SCF
+		RET
+		;
 .exit:		POP	AF
 		OUT	(SLOT3),A
-		POP	AF
+		; CF=0
+		;AND	A
 		RET
 ;----------------------------------------------------------------------;
 
diff --git a/src/bios/exp/EXTENDED/IDE/ATA_DRV.ASM b/src/bios/exp/EXTENDED/IDE/ATA_DRV.ASM
index 999512d..145fc35 100644
--- a/src/bios/exp/EXTENDED/IDE/ATA_DRV.ASM
+++ b/src/bios/exp/EXTENDED/IDE/ATA_DRV.ASM
@@ -523,20 +523,18 @@ WRITE_ATA_SECTORs:
 ;	B - Sector counter
 ;Return: None
 ;VERIFY	SECTOR(S)
-HDD_5x_VERIFY:
-	PUSH	IY
-	 SAFE_PORTY_2
-	PUSH	IX
-	PUSH	HL
-	CALL	VRS000
-	POP	HL
-	POP	IX
-	 RESTORE_PORTY
-	POP	IY
-	RET 
-;[]================================================================[#54]
+HDD_5x_VERIFY:	PUSH	IY
+		 SAFE_PORTY_2
+		PUSH	IX
+		PUSH	HL
+		CALL	.VERIFY
+		POP	HL
+		POP	IX
+		 RESTORE_PORTY
+		POP	IY
+		RET 
 ;VERIFY	SECTOR(S)
-VRS000:		LD	C,IDE.Device.HDD
+.VERIFY:	LD	C,IDE.Device.HDD
 		CALL	SELECT_DRIVE
 		RET	C
 		EXX 
@@ -549,16 +547,17 @@ VRS000:		LD	C,IDE.Device.HDD
 		LD	BC,IDE.Write.Command
 		LD	A,IDE.ATA.ReadVerifySectorsWithRetry
 		OUT	(C),A
-VRS002:		LD	BC,IDE.Read.Status
+		LD	BC,IDE.Read.Status
 		IN	A,(C)
-		BIT	IDE.CtrlBit.Error,A
-		JR	Z,VRS003
-		SCF 
-		RET 
-VRS003:		CALL	WAITPRT
+		;BIT	IDE.CtrlBit.Error,A
+		RRA				;BIT IDE.CtrlBit.Error,A : SCF : RET NZ
+		RET	C
+		;
+		CALL	WAITPRT
 		RET	C
 		XOR	A
 		RET
+;[]================================================================[#54]
 
 
 ; HL:IX	- LBA SECTOR