diff --git a/Shared_Includes b/Shared_Includes
index 7ef1dd9..d21dd0c 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit 7ef1dd98b491068d5a9ded34f5ff51430b7fa7e7
+Subproject commit d21dd0c0291e48f53d40b7bd09fcb8e7756dda1e
diff --git a/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM b/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
index f3d045c..80ddb4c 100644
--- a/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
+++ b/src/bios/exp/EXTENDED/IDE/ATAPI_DRV.ASM
@@ -13,10 +13,11 @@
 ;	[ ] установка параметра максимального размера для чтения через DRV_SET_PAR
 ;
 ;----------------------------------------------------------------------------------
-MAX_ATAPI_SEC_SIZE	EQU	4096/2
-PACKET_SIZE		EQU	12					; !FIXIT брать из IDENTIFY PACKET DEVICE
-RAM_ATAPI_PK 		EQU	SYS_PAGE.SHARED_BUFFER_32b
-RAM_ATAPI_RW_CMD	EQU	SYS_PAGE.SHARED_BUFFER_32b+16
+MAX_ATAPI_SEC_SIZE			EQU	4096/2
+PACKET_SIZE				EQU	12	; !FIXIT брать из IDENTIFY PACKET DEVICE
+RAM_ATAPI_PK 				EQU	SYS_PAGE.SHARED_BUFFER_32b
+RAM_ATAPI_RW_CMD			EQU	SYS_PAGE.SHARED_BUFFER_32b+16
+MAX_DATA_PACKET_FOR_REQUEST_SENSE	EQU	254
 
 	ASSERT ((PACKET_SIZE % 4) = 0), "PACKET_SIZE must be an even number"
 
@@ -47,33 +48,60 @@ CD_5x_RESET:	LD	C,IDE.Device.ATAPI
 ;      DE - Cylinders
 ;      IX - Capacity sector in bytes
 ;	B - Flags: MASTER/SLAVE, LBA/CHS
-CD_5x_GETMED:
-	LD	C,IDE.Device.ATAPI
-	CALL	SELECT_DRIVE
-	RET	C
-	; [ ] sector size. media changed
+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'
-	 LD	A,SYS_PAGE
-	 OUT	(SLOT3),A
-	 LD	HL,0
-	 LD	D,H
-	 LD	L,H
-	 ; 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	A,(IY+IDE.HDD_INIT_TABLE.SectorSize)			;[ ]sector size
-	 LD	XL,A
-	 LD	A,(IY+IDE.HDD_INIT_TABLE.SectorSize + 1)		;[ ]sector size
-	 LD	XH,A
-	EX	AF,AF'
-	OUT	(SLOT3),A
-	;AND	A
-	RET 
+		;
+		IN	A,(SLOT3)
+		EX	AF,AF'
+		 LD	A,SYS_PAGE
+		 OUT	(SLOT3),A
+		 ;
+		 ; [ ] sector size. media changed
+		  CALL	CD_CHECK_MEDIA_CHANGED
+		  JR	NC,.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	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
+		 EX	DE,HL
+		 LD	XL,E
+		 LD	XH,D
+		 ;
+		 LD	HL,0
+		 LD	D,H
+		 LD	E,H
+		EX	AF,AF'
+		OUT	(SLOT3),A
+		;AND	A
+		RET 
 ;[]================================================================[#58]
 
 ;!TODO
@@ -115,9 +143,7 @@ CD_5x_LONG_READ:
 		 EX	AF,AF'
 		  AND	A	;read
 		 EX	AF,AF'
-		 ld
-		 ; проверить .RemovableMedia bit, если установлен, то пропуск RW_ATAPI_SECTORs
-		CALL	NC,RW_ATAPI_SECTORs
+		CALL	RW_ATAPI_SECTORs
 		; [ ] sector size. media changed
 		 JP	HDD_5x_LONG_READ.shared
 		;  JP	NC,HDD_5x_LONG_READ.shared
@@ -146,6 +172,11 @@ RW_ATAPI_SECTORs:
 		 PUSH	BC
 		 LD	A,SYS_PAGE
 		 OUT	(C),A
+		 ; [ ] media change
+		  LD	A,(IY + IDE.HDD_INIT_TABLE.RemovableMedia)
+		  AND	%0000'0010
+		  JR	NZ,.error_media
+		 ;
 		 LD	HL,ATAPI_CMD_PACKET.READ
 		 EX	AF,AF'
 		  JR	NC,.read_cmd
@@ -175,10 +206,16 @@ RW_ATAPI_SECTORs:
 		LD	HL,RAM_ATAPI_RW_CMD
 		CALL	EXEC_PACKET_COMMAND
 		;
-		POP	BC
+.exit:		POP	BC
 		;LD	C,SLOT3
 		OUT	(C),B
 		RET
+		;
+.error_media:	EXX
+		LD	A,BIOS.Error.ATAPI.UnitAttention
+		SCF
+		JR	.exit
+
 ;[]===========================================================[#52, #55]
 
 ;[]================================================================[#56]
@@ -218,10 +255,7 @@ CD_5x_LONG_WRITE:
 		 EX	AF,AF'
 		  SCF		;write
 		 EX	AF,AF'
-		 ;
-		 ld
-		 ; проверить .RemovableMedia bit, если установлен, то пропуск RW_ATAPI_SECTORs
-		 CALL	NC,RW_ATAPI_SECTORs
+		 CALL	RW_ATAPI_SECTORs
 		;
 		JP	HDD_5x_LONG_READ.shared
 
@@ -238,6 +272,7 @@ CD_5x_DETECT:
 
 
 ;[]================================================================[#5E]
+; [ ]
 ;Function: Extended
 ;	   A - Disk
 ;	   B - SubFunction
@@ -250,7 +285,9 @@ CD_5x_Extended:
 	;
 	LD	A,B
 	CP	2
-	JR	C,TRAY_FN
+	JR	C,TRAY_FN		; B = 0 или 1
+	;
+	JR	Z,CD_REQUEST_SENSE	; B = 2
 	; ...
 	; ...
 	;LD	A,#AA
@@ -259,6 +296,34 @@ CD_5x_Extended:
 	RET
 ;[]================================================================[#5E]
 
+;----------------------------------------------------------------------;!TODO сделать доступной через расширенную функцию API
+; вход:	DE - адрес для данных
+CD_REQUEST_SENSE:
+		LD	HL,ATAPI_CMD_PACKET.REQUEST_SENSE
+		JR	EXEC_PACKET_COMMAND
+;----------------------------------------------------------------------;
+
+;----------------------------------------------------------------------;
+CD_CHECK_MEDIA_CHANGED:
+		EXX
+		 LD	DE,256*(IDE.CtrlByte.Error) + 0
+		 CALL	CD_WAITPRT.Custom
+		EXX
+		RET	NC
+		;
+.noWait:	EXX
+		 CALL	CD_GET_ERROR
+		 OR	#70
+		EXX
+		CP	BIOS.Error.ATAPI.NoSence
+		SCF
+		RET	NZ
+		;
+		CALL	CD_MEDIA_CHANGED_ERROR
+		; CF=1
+		LD	A,BIOS.Error.ATAPI.UnitAttention
+		RET
+;----------------------------------------------------------------------;
 
 ;----------------------------------------------------------------------;
 TRAY_FN:	LD	HL,ATAPI_CMD_PACKET.CLOSE
@@ -266,9 +331,8 @@ TRAY_FN:	LD	HL,ATAPI_CMD_PACKET.CLOSE
 		DEC	A
 		JR	Z,EXEC_PACKET_COMMAND
 		LD	HL,ATAPI_CMD_PACKET.OPEN
-		JR	EXEC_PACKET_COMMAND
+		;JR	EXEC_PACKET_COMMAND
 ;----------------------------------------------------------------------;
-
 ;----------------------------------------------------------------------;
 ; INPUT:  HL - AP packet (12bytes)
 ;	  DE - address for/with data if needed
@@ -312,10 +376,7 @@ EXEC_PACKET_COMMAND:
 		;RET	C
 		JR	C,CD_CHECK_MEDIA_CHANGED.noWait
 		;
-.READY:		CALL	CD_CHECK_MEDIA_CHANGED
-		RET	C
-		;
-		LD	C,SLOT3
+.READY:		LD	C,SLOT3
 		IN	B,(C)
 		PUSH	DE
 		PUSH	BC
@@ -356,7 +417,7 @@ EXEC_PACKET_COMMAND:
 		BIT	IDE.CtrlBit.Error,A
 		JR	NZ,CD_CHECK_MEDIA_CHANGED.noWait
 		JR	NC,.YEP_DRQ
-		LD	A,BIOS.Error.TimeOut	;!FIXIT media change test
+		LD	A,BIOS.Error.ATAPI.TimeOut	;!FIXIT media change test
 		RET
 		;
 ; .CMD_ERROR:	 CALL	CD_GET_ERROR
@@ -412,7 +473,7 @@ EXEC_PACKET_COMMAND:
 		LD	BC,IDE.Read.Status
 		IN	A,(C)
 		BIT	IDE.CtrlBit.Error,A
-		JR	NZ,CD_CHECK_MEDIA_CHANGED.noWait
+		JP	NZ,CD_CHECK_MEDIA_CHANGED.noWait
 		;
 		AND	IDE.CtrlByte.DataRequest
 		RET	Z ;NO DATA REQUEST. A = 0: BIOS.Error.NoErrors
@@ -539,54 +600,41 @@ CD_TEST:	LD	HL,ATAPI_CMD_PACKET.NOP
 		JP	EXEC_PACKET_COMMAND
 ;----------------------------------------------------------------------;
 
-;----------------------------------------------------------------------;!TODO сделать доступной через расширенную функцию API
-; вход:	DE - адрес для данных
-CD_REQUEST_SENSE:
-		LD	HL,ATAPI_CMD_PACKET.REQUEST_SENSE
-		JP	EXEC_PACKET_COMMAND
-		ld
-;----------------------------------------------------------------------;
 
 ;----------------------------------------------------------------------;
 CD_MEDIA_CHANGED_ERROR:
 		PUSH	AF
+		;
 		IN	A,(SLOT3)
-		EX	AF,AF
+		PUSH	AF
 		LD	A,SYS_PAGE
 		OUT	(SLOT3),A
 		;
-		LD	A,%0000'0011
-		LD	(IY + HDD_INIT_TABLE.RemovableMedia),A
+		LD	DE,SYS_PAGE.SHARED_BUFFER_256b
+		CALL	CD_REQUEST_SENSE
 		;
-		EX	AF,AF
+		LD	A,(SYS_PAGE.SHARED_BUFFER_256b + 2)		; SenceKey. 06
+		CP	6
+		JR	NZ,.exit
+		;
+		LD	A,(SYS_PAGE.SHARED_BUFFER_256b + 12)		; AdditionalSenceKey. #28
+		CP	#28		
+		JR	NZ,.exit
+		;
+		LD	A,(SYS_PAGE.SHARED_BUFFER_256b + 13)		; AdditionalSenseCodeQualifier. 0
+		AND	A
+		JR	NZ,.exit
+		;
+		LD	A,%0000'0011
+		LD	(IY + IDE.HDD_INIT_TABLE.RemovableMedia),A
+		;
+.exit:		POP	AF
 		OUT	(SLOT3),A
 		POP	AF
 		RET
 ;----------------------------------------------------------------------;
 
 
-;----------------------------------------------------------------------;
-CD_CHECK_MEDIA_CHANGED:
-		EXX
-		 LD	DE,256*(IDE.CtrlByte.Error) + 0
-		 CALL	CD_WAITPRT.Custom
-		EXX
-		RET	NC
-		;
-.noWait:	EXX
-		 CALL	CD_GET_ERROR
-		 OR	#70
-		EXX
-		CP	BIOS.Error.UnitAttention
-		SCF
-		RET	NZ
-		;
-		CALL	CD_MEDIA_CHANGED_ERROR
-		; CF=1
-		LD	A,BIOS.Error.UnitAttention
-		RET
-;----------------------------------------------------------------------;
-
 
 ////////////////////////////////////////////////////////////////////////
 ATAPI_CMD_PACKET:
diff --git a/src/bios/rom/SETUP/AUTOIDE.asm b/src/bios/rom/SETUP/AUTOIDE.asm
index 8e1269b..c2edb61 100644
--- a/src/bios/rom/SETUP/AUTOIDE.asm
+++ b/src/bios/rom/SETUP/AUTOIDE.asm
@@ -440,7 +440,6 @@ IDESPEC:	IN	A,(SLOT3)
 		OR	(HL)
 		LD	(IY+IDE.HDD_INIT_TABLE.DRV_Flags),A
 		;
-		ld
 		; [ ] sector size ATAPI
 		 LD	HL,ATAPI_CMD_PACKET.READ_CAPACITY_DATA
 		 LD	DE,IDENTIFY_DEVICE_BUFFER.ReservedWord224	; просто нужен был буфер на 8 байтов
@@ -448,12 +447,9 @@ IDESPEC:	IN	A,(SLOT3)
 		 LD	HL,#FFFF
 		 JR	C,.No_Media
 		 ;
-		 LD	A,(IDENTIFY_DEVICE_BUFFER.ReservedWord224 + 6)	; sector size high
-		 LD	H,A
-		 LD	A,(IDENTIFY_DEVICE_BUFFER.ReservedWord224 + 7)	; sector size low
-		 LD	L,A
-.No_Media:	 LD	(IY+IDE.HDD_INIT_TABLE.SectorSize),L
-		 LD	(IY+IDE.HDD_INIT_TABLE.SectorSize + 1),H
+		 LD	HL,(IDENTIFY_DEVICE_BUFFER.ReservedWord224 + 6)	; sector size high
+.No_Media:	 LD	(IY+IDE.HDD_INIT_TABLE.SectorSize),H
+		 LD	(IY+IDE.HDD_INIT_TABLE.SectorSize + 1),L
 		 LD	(IY+IDE.HDD_INIT_TABLE.RemovableMedia),%0000'0001 ; !HARDCODE ATAPI пока всегда removable
 		;
 		JR	IDESPEC.END