diff --git a/DSS/DOS_X.ASM b/DSS/DOS_X.ASM
index 5ed58b8..f44cd3f 100644
--- a/DSS/DOS_X.ASM
+++ b/DSS/DOS_X.ASM
@@ -570,7 +570,7 @@ BACK_CUR_PATH:
 ; вход: нет
 ; выход: A - номер последнего лог. диска в системе
 ;///////////////////////////////////////////////////////////////////////
- INCLUDE	'ScanDRV.asm'
+	INCLUDE	'ScanDRV.asm'
 ; INCLUDE	'NScanDRV.asm'
 ;///////////////////////////////////////////////////////////////////////
 ;
diff --git a/DSS/DRV-MAIN.ASM b/DSS/DRV-MAIN.ASM
index 1f0eebb..9d25bfa 100644
--- a/DSS/DRV-MAIN.ASM
+++ b/DSS/DRV-MAIN.ASM
@@ -441,17 +441,50 @@ INITDVC_RET_DRIVE:
 	INCLUDE	'dss/media_drivers/fdd-drv.asm'
 	INCLUDE	'dss/media_drivers/ram_disk-drv.asm'
 
-DEVICE_CFG:
+;
+;------------------------[shared-drv.asm table]------------------------;
+DEVICE:			;BLOCK	DSS_MAX_DRIVES_AMOUNT * .TBL_Entry,#FF
+.TBL_Entry	EQU 3
+.Size:		EQU DSS_MAX_DRIVES_AMOUNT * .TBL_Entry ;DB	#FF
+;----------------------------------------------------------------------;
+;
+
+;
+;-------------------------[ IDE-DRV.ASM table]-------------------------;
+;+00	BYTE	MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
+;+01	LONG	SECTOR OFFSET
+;+05	LONG	SIZE IN	SECTORS
+;+09	FREE
+;+15
+LOGDRV		EQU	$ + DEVICE.Size
+.TBL_Entry	EQU	16
+.Size		EQU	.TBL_Entry * DSS_MAX_DRIVES_AMOUNT
+;----------------------------------------------------------------------;
+;
+
+;
+;-----------------------[ram_disk-drv.asm table]-----------------------;
+; ТАБЛИЦА СООТВЕТСТВИЯ МЕЖДУ ФИЗИЧЕСКИМ НОМЕРОМ РАМДИСКА И ЕГО RAM-DISK ID
+; Log Number: DB      RAM_DRIVE_ID, RAM_DRIVE_NUMBER
+RAMDTBL		EQU $ + DEVICE.Size + LOGDRV.Size
+.TBL_Entry	EQU 2
+.Size		EQU .TBL_Entry * MAX_RAMDRIVES
+; RAMDTBL: DUP MAX_RAMDRIVES * RAMDTBL.TBL_Entry
+;              DB #FF
+;          EDUP
+; .Size			EQU $-RAMDTBL
+;----------------------------------------------------------------------;
+;
+
+
+;
 DRV_TEMP_BUFFER:
-;
 
-
-;
 ;---------[256 bytes stack for return pages of RST #18 callers]--------;
 ;				    #3F00 - #3FFF
 DRV_PAGE.RSTx18_RET_PAGES	EQU #3FFF
 ;----------------------------------------------------------------------;
- ASSERT ((#4000-DRV_TEMP_BUFFER-256) > (DEVICE.Size + LOGDRV.Size + RAMDTBL.Size)), "No space for DRV_TEMP_BUFFER in DRV-MAIN page"
+; ASSERT ((#4000-DRV_TEMP_BUFFER-256) > (DEVICE.Size + LOGDRV.Size + RAMDTBL.Size)), "No space for DRV_TEMP_BUFFER in DRV-MAIN page"
 ;		ENDMODULE
 ;	OUTEND
 ;[END]
diff --git a/DSS/Media_drivers/ide-drv.asm b/DSS/Media_drivers/ide-drv.asm
index 8c92c56..68a298c 100644
--- a/DSS/Media_drivers/ide-drv.asm
+++ b/DSS/Media_drivers/ide-drv.asm
@@ -207,22 +207,32 @@ RESR_H	LD	A,DSS_Error.drv.INVALID_COMMAND
 //			Commands for restart #18		      //
 ////////////////////////////////////////////////////////////////////////
 
-;!FIXIT		---------------------------------------------------------------------------[v]
+;--------------------------------------------------------------------[v]
 ; c=0 Initialization
 INIT_H:	PUSH	IY
+	;!TEST ;[ ] 
+	 XOR	A
+	 LD	(DRVCLC.count),A
+	 ; Зачистка таблицы. Необязательно, но мало ли чё будет дальше...
+	;  LD	HL,LOGDRV
+	;  LD	(HL),#FF
+	;  LD	DE,LOGDRV+1
+	;  LD	BC,LOGDRV.Size-1
+	;  LDIR
+	;
 	LD	HL,LOGDRV
 	LD	(OFFSECT),HL
 
-	; IN	A,(SLOT2)
-	; PUSH	AF
-	; IN	A,(SLOT0)
-	; OUT	(SLOT2),A
-
-	;LD	IX,DEVICE_CFG+#8000	; могло засрать память
 	LD	IX,SYS_PAGE.TMP_BUFFER
 	LD	C,BIOS.DRV_LIST
 	RST	ToBIOS
-
+	 ;	DRV_LIST:
+	 ; +0 LEN
+	 ; +1 FDD COUNT
+	 ; +2 HDD COUNT
+	 ; +3 CDROM COUNT
+	 ; +4 RESERVED (28)
+	;
 	IN	A,(SLOT3)
 	 LD	C,A
 	 LD	A,SYS_PAGE
@@ -246,91 +256,46 @@ NX_DVCI: PUSH	BC
 	INC	C
 	JR	C,NX_DVCI
 	DJNZ	NX_DVCI
-
-
-; c=0 Initialization
-; INIT_H:	PUSH	IY
-; 	LD	HL,LOGDRV
-; 	LD	(OFFSECT),HL
-; 	LD	IX,DEVICE_CFG	;!FIXIT не засрет ли память?
-; 	LD	C,BIOS.DRV_LIST
-; 	RST	ToBIOS
-; 	XOR	A
-; 	;!TEST
-; 	 ;LD	B,(IX+2)
-; 	 ;CP	B
-; 	 CP	(IX+2)	;HDD
-; 	JR	Z,NO_HARDS
-; 	LD	BC,4*256 + #80	;!HARDCODE 4 - количество винтов, 80 - ID винта ;!FIXIT
-; 	;LD	C,#80	;!HARDCODE 4 - количество винтов, 80 - ID винта ;!FIXIT
-
-; NX_DVCI: PUSH	BC
-; 	LD	A,C
-; 	LD	(DRV_NUM),A
-; 	LD	C,BIOS.DRV_DETECT
-; 	RST	ToBIOS
-; 	;JR	C,.NO_DRIVE
-; 	CALL	NC,PARTIT
-; 	POP	BC
-; 	INC	C
-; 	;JR	C,NX_DVCI
-; 	DJNZ	NX_DVCI
-;!FIXIT		---------------------------------------------------------------------------[^]
-;
-
+	;
 NO_HARDS:
 	POP	IY
-	LD	HL,(OFFSECT)
-	LD	DE,LOGDRV
-	XOR	A
-	SBC	HL,DE
-	RET	Z
-	LD	DE,LD_DSK
-DRVCLC:	INC	A
-	SBC	HL,DE
-	JR	NZ,DRVCLC
+	;!TEST
+	 ; LD	HL,(OFFSECT)
+	 ; LD	DE,LOGDRV
+	 ; XOR	A
+	 ; SBC	HL,DE
+	 ; RET	Z
+	 ; LD	DE,LOGDRV.TBL_Entry
+DRVCLC:	 ; INC	A
+	 ; SBC	HL,DE
+	 ; JR	NZ,DRVCLC
+	 ;
+.count+1: LD	A,0
+	;
 	AND	A
 	RET 
+;---------------------------------------------------------------------[^]
 
-;DEVICE_CFG	EQU	#4000		;!TEST
-;DEVICE_CFG	EQU	DRV_TEMP_BUFFER		;!TEST
-;	DB	0	;LEN
-;	DB	0	;FDD COUNT
-;	DB	0	;HDD COUNT
-;	DB	0	;CDROM COUNT
-;	DS	28	;RESERVED
-
-
-;+00	;SECTORS PER TRACK
-;+01	;TRACKS	PER CYLLINDER
-;+02	;RESERVED
-;+03	;HDD/DRIVE/LBA
-;+04	;SECTOR	PER CYLINDER LOW
-;+05	;SECTOR	PER CYLINDER HIGH
-;+06	;RESERVED
-;+07	;RESERVED
-
-
-;+00	BYTE	MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
-;+01	LONG	SECTOR OFFSET
-;+05	LONG	SIZE IN	SECTORS
-;+09	FREE
-;+15
-LOGDRV:	BLOCK	.TBL_Entry * LD_DSK,0		;!FIXIT перенести к буферам в конец страницы 
-.TBL_Entry	EQU 16
-.Size		EQU $-LOGDRV
+; ;+00	BYTE	MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
+; ;+01	LONG	SECTOR OFFSET
+; ;+05	LONG	SIZE IN	SECTORS
+; ;+09	FREE
+; ;+15
+; LOGDRV:		BLOCK	.TBL_Entry * LD_DSK,0		;!FIXIT перенести к буферам в конец страницы 
+; .TBL_Entry	EQU	16
+; .Size		EQU	$-LOGDRV
 
 SELHDD:	PUSH	DE
 	PUSH	BC
 	PUSH	HL
 	;!TEST
-	 ;SLA	A 
-	 ;RLCA
-	 ;SLA	A
-	 ;LD	L,A
-	 ;LD	H,0
-	 ;RL	H
-	 ;ADD	HL,HL
+	;  SLA	A 
+	;  RLA
+	;  SLA	A
+	;  LD	L,A
+	;  LD	H,0
+	;  RL	H
+	;  ADD	HL,HL
 	 ;
 	 ; original
 	 LD	L,A
@@ -428,7 +393,7 @@ HGETPRM:
 	LD	A,DSS_Error.drv.GENERAL_FAILURE
 	SCF 
 	RET	NZ
-
+	;
 	PUSH	IX
 	PUSH	IY
 	LD	H,0
@@ -440,17 +405,15 @@ HGETPRM:
 	LD	C,L
 	LD	IY,LOGDRV
 	ADD	IY,BC
-
 	;
 	LD	A,(IY+0)	;MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
-;!TEST	--------------------------------------------------------------------------------+
 	PUSH	IY
 	LD	C,BIOS.DRV_GET_PAR
 	RST	ToBIOS
 	POP	IY
 	LD	A,DSS_Error.drv.INVALID_DRIVE
 	JR	C,.error
-
+	; перетасовка регистров с результатом от BIOS
 	EX	DE,HL
 	LD	C,E
 	LD	E,D
@@ -458,8 +421,7 @@ HGETPRM:
 	LD	A,B
 	LD	B,D
 	EXX
-
-	;SECTORS ON LOGICAL DISK
+	; SECTORS ON LOGICAL DISK
 	 LD	E,(IY+5)
 	 LD	D,(IY+6)
 	 LD	L,(IY+7)
@@ -468,37 +430,7 @@ HGETPRM:
 	EX	AF,AF'
 	 LD	A,(IY+0)	;MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
 	EX	AF,AF'
-
-; 	LD	C,A
-; 	LD	IY,SYS_PAGE.IDE_0
-; 	AND	#0F
-; 	JR	Z,GELH1
-; 	LD	IY,SYS_PAGE.IDE_1
-; 	CP	2
-; 	JR	C,GELH1
-; 	LD	IY,SYS_PAGE.IDE_2
-; 	JR	Z,GELH1
-; 	LD	IY,SYS_PAGE.IDE_3
-; GELH1:	IN	A,(SLOT3)
-; 	PUSH	AF
-; 	LD	A,SYS_PAGE
-; 	OUT	(SLOT3),A
-
-; 	LD	A,(IY+HDD_INIT_TABLE.DRV_Flags)			;HDD/DRV
-; 	EXX 
-; 	LD	L,(IY+HDD_INIT_TABLE.CylinderNumberLow)		;CYLINDER LOW	+
-; 	LD	H,(IY+HDD_INIT_TABLE.CylinderNumberHigh)	;CYLINDER HIGH	+
-; 	LD	E,(IY+HDD_INIT_TABLE.HeadsNumber)		;HEADS		+
-; 	LD	D,0
-; 	LD	C,(IY+HDD_INIT_TABLE.SectorsPerTrack)		;SECTORS	+
-; 	LD	B,0
-; 	EXX 
-; 	EX	AF,AF'
-; 	POP	AF
-; 	OUT	(SLOT3),A
-; 	LD	A,C
-; 	EX	AF,AF'
-;!TEST	--------------------------------------------------------------------------------+
+	;
 	AND	A
 .error:	POP	IY
 	POP	IX
@@ -632,32 +564,56 @@ HIGHDOS:
 	LD	(IX+2),D
 	LD	(IX+3),L
 	LD	(IX+4),H
-;	LD	DE,(CURSECL)
-;	LD	HL,(CURSECH)
-;	LD	(IX+1),E	;START DISK
-;	LD	(IX+2),D
-;	LD	(IX+3),L
-;	LD	(IX+4),H
 	LD	E,(IY+12)
 	LD	D,(IY+13)
 	LD	L,(IY+14)
 	LD	H,(IY+15)
-	LD	(IX+5),E       ;SIZE DISK
+	LD	(IX+5),E	;SIZE DISK
 	LD	(IX+6),D
 	LD	(IX+7),L
 	LD	(IX+8),H
+	;!TEST	Подстраховка от переполнения таблицы LOGDRV 
+	 LD	A,(DRVCLC.count)
+	 INC	A
+	 CP	DSS_MAX_DRIVES_AMOUNT+1
+	 RET	NC
+	 LD	(DRVCLC.count),A
+	;
 	LD	A,(DRV_NUM)
 	LD	(IX+0),A
-	LD	DE,LD_DSK      ;  DSKITEM
+	LD	DE,LOGDRV.TBL_Entry	;DSKITEM
 	ADD	IX,DE
 	LD	(OFFSECT),IX
-NXTPART	LD	DE,#10
+NXTPART:
+	LD	DE,#10		;!HARDCODE SZ_PTE - Size of a partition table entry
 	ADD	IY,DE
 	POP	BC
 	DJNZ	DOSAGA
 	AND	A
 	RET 
 
+
+	;
+NOEXTDS:
+	CP	#0F
+	JR	Z,SUBLEV
+	CP	#0E
+	JR	Z,HIGHDOS
+	CP	6
+	JR	Z,HIGHDOS
+	CP	4
+	JR	Z,MEDIDOS
+	CP	1
+	JR	Z,EASYDOS
+	POP	BC
+	OR	A
+	RET	Z
+NODEFIN:
+	SCF 
+	RET 
+	;
+
+
 PARTIT:	IN	A,(SLOT3)
 	PUSH	AF
 	LD	A,SHARED_PAGE
@@ -667,28 +623,31 @@ PARTIT:	IN	A,(SLOT3)
 	OUT	(SLOT3),A
 	RET 
 
-PARTIT1	LD	IX,0
+PARTIT1:
+	LD	IX,0
 	LD	DE,0
 	LD	(EXTDOSL),DE	;R01
 	LD	(EXTDOSH),IX	;R01
-PARTIT2	LD	(CURSECL),DE
+PARTIT2:
+	LD	(CURSECL),DE
 	LD	(CURSECH),IX
 	CALL	LOADSEC
 	;!TEST
 	 ;RET	C		; for absent drive
 	;
-	LD	HL,(PART+510) ;!HARDCODE
+	LD	HL,(PART+510)	;!HARDCODE Signature word
 	LD	DE,#AA55
 	AND	A
 	SBC	HL,DE
 	JR	NZ,NODEFIN
-	LD	IY,PART+#01BE ;!HARDCODE
-	LD	B,4
-DOSAGA	PUSH	BC
+	;
+	LD	IY,PART+#01BE	;!HARDCODE MBR: Offset of partition table in the MBR
+	LD	B,4		;!HARDCODE MBR: Number of entries in the partition table
+DOSAGA:	PUSH	BC
 	LD	A,(IY+4)
 	CP	5
 	JR	NZ,NOEXTDS
-SUBLEV	PUSH	IY
+SUBLEV:	PUSH	IY
 	LD	DE,(CURSECL)
 	LD	IX,(CURSECH)
 	PUSH	DE
@@ -701,22 +660,7 @@ SUBLEV	PUSH	IY
 	CALL	LOADSEC
 	POP	IY
 	JP	NXTPART
-NOEXTDS	CP	#0F
-	JP	Z,SUBLEV
-	CP	#0E
-	JP	Z,HIGHDOS
-	CP	6
-	JP	Z,HIGHDOS
-	CP	4
-	JP	Z,MEDIDOS
-	CP	1
-	JP	Z,EASYDOS
-	POP	BC
-	OR	A
-	RET	Z
-NODEFIN	SCF 
-	RET 
-
+	;
 EXTDOS:	LD	HL,(EXTDOSL)
 	LD	DE,(EXTDOSH)
 	LD	A,L
@@ -732,8 +676,9 @@ EXTDOS:	LD	HL,(EXTDOSL)
 	LD	(EXTDOSH),HL
 	LD	IX,(EXTDOSH)
 	JP	PARTIT2
-
-EXTDOS2	LD	IX,(EXTDOSL)
+	;
+EXTDOS2:
+	LD	IX,(EXTDOSL)
 	ADD	IX,DE
 	PUSH	IX
 	LD	DE,(EXTDOSH)
@@ -743,7 +688,8 @@ EXTDOS2	LD	IX,(EXTDOSL)
 	POP	DE
 	JP	PARTIT2
 
-LOADSEC	PUSH	IY
+LOADSEC:
+	PUSH	IY
 	LD	IX,(CURSECL)
 	LD	HL,(CURSECH)
 	LD	DE,PART
diff --git a/DSS/Media_drivers/ram_disk-drv.asm b/DSS/Media_drivers/ram_disk-drv.asm
index 87bb46e..c907f7a 100644
--- a/DSS/Media_drivers/ram_disk-drv.asm
+++ b/DSS/Media_drivers/ram_disk-drv.asm
@@ -311,9 +311,15 @@ INIT_RD:
 ;  	JR	NC,.loop
 ;  	LD	(S_P_P),A
 
+	; Зачистка таблицы. Необязательно, но мало ли чё будет дальше... ;[ ]
+	; LD	HL,RAMDTBL
+	; LD	(HL),#FF
+	; LD	DE,RAMDTBL+1
+	; LD	BC,RAMDTBL.Size-1
+	; LDIR
+
  	LD	BC,#0*256 + BIOS.GET_RAMD_ST    ; Получение идентификатора блока, назначенного на RAM-Disk 
  	LD	DE,RAMDTBL
-
 .initLoop:
 	PUSH	BC
 	LD	A,B
@@ -345,16 +351,16 @@ INIT_RD:
 ;	LD	HL,ENDDRVR
 	AND	A
 	RET 
-	
-;!TODO воткнуть эти всякие таблицы в конец файла и активировать как структуры, чтоб бинарник меньше весил
-; ТАБЛИЦА СООТВЕТСТВИЯ МЕЖДУ ФИЗИЧЕСКИМ НОМЕРОМ РАМДИСКА И ЕГО RAM-DISK ID
-; Log Number: DB      RAM_DRIVE_ID, RAM_DRIVE_NUMBER
-RAMDTBL.TBL_Entry	EQU 2
-RAMDTBL: DUP MAX_RAMDRIVES * RAMDTBL.TBL_Entry
-             DB #FF
-         EDUP
-.Size			EQU $-RAMDTBL
-;
+
+; ;
+; ; ТАБЛИЦА СООТВЕТСТВИЯ МЕЖДУ ФИЗИЧЕСКИМ НОМЕРОМ РАМДИСКА И ЕГО RAM-DISK ID
+; ; Log Number: DB      RAM_DRIVE_ID, RAM_DRIVE_NUMBER
+; RAMDTBL.TBL_Entry	EQU 2
+; RAMDTBL: DUP MAX_RAMDRIVES * RAMDTBL.TBL_Entry
+;              DB #FF
+;          EDUP
+; .Size			EQU $-RAMDTBL
+; ;
 
 
 ;	  00 - GET DEVICE PARAMETERS
@@ -461,8 +467,8 @@ IOCTL_RD:
 ;         RET
 
 GET_RAMDRV_NUM:
+	ADD	A,A
         LD      BC,RAMDTBL
-        SLA     A
         ADD     A,C
         LD      C,A
         LD      A,0
diff --git a/DSS/Media_drivers/shared-drv.asm b/DSS/Media_drivers/shared-drv.asm
index c4c3541..3ec6149 100644
--- a/DSS/Media_drivers/shared-drv.asm
+++ b/DSS/Media_drivers/shared-drv.asm
@@ -162,9 +162,9 @@ NODEV:	POP	BC
 	RET 
 
 PDEVICE	DW	DEVICE
-DEVICE:	BLOCK	DSS_MAX_DRIVES_AMOUNT*.TBL_Entry,#FF
-.Size:	DB	#FF
-.TBL_Entry	EQU 3
+; DEVICE:	BLOCK	DSS_MAX_DRIVES_AMOUNT * .TBL_Entry,#FF
+; .Size:	DB	#FF
+; .TBL_Entry	EQU 3
 
 FLOPPY	EQU	#0001
 FIXED	EQU	#0002
@@ -210,6 +210,12 @@ INITDVC: XOR	A
 	LD	(DRV_PAGE.LDRIVE),A	; сбр. ячейку
 	LD	HL,DEVICE
 	LD	(PDEVICE),HL	; восст. ячейку
+	; Зачистка таблицы. Необязательно, но мало ли чё будет дальше... ;[ ]
+	LD	HL,DEVICE
+	LD	(HL),#FF
+	LD	DE,DEVICE+1
+	LD	BC,DEVICE.Size + LOGDRV.Size + RAMDTBL.Size - 1
+	LDIR
 	; FDD девайсы	
 	CALL	FDDRIVE.INIT	; узнать число FDD-девайсов
 	LD	DE,FDDRIVE	; адрес обработчика тек. девайса
@@ -232,10 +238,19 @@ MAKEDVC: LD	C,A
 	LD	HL,DRV_PAGE.LDRIVE	; ячейка номера посл. диска
 	ADD	A,(HL)
 	LD	(HL),A
-	LD	A,C
-	LD	C,0		; сбр.
+	;!TEST	;[ ] оптимизировать было лень
+	 CP	DSS_MAX_DRIVES_AMOUNT+1
+	 JR	C,1F
+	 LD	(HL),DSS_MAX_DRIVES_AMOUNT
+	 SUB	DSS_MAX_DRIVES_AMOUNT
+	 NEG
+	 ADD	C
+	 JP	2F
+	;
+1:	LD	A,C
 	OR	A
 	RET	Z		; нет девайсов
+2:	LD	C,0		; сбр.
 	LD	HL,(PDEVICE)	; тек. полож. в таблице
 .loop:	LD	(HL),C		; номер лог.драйва этого устройства
 	INC	HL
diff --git a/DSS/NScanDRV.ASM b/DSS/NScanDRV.ASM
new file mode 100644
index 0000000..a94eb3e
--- /dev/null
+++ b/DSS/NScanDRV.ASM
@@ -0,0 +1,180 @@
+; !TODO запоминать прерывания, отключать на старте, восстанавливать на выходе
+SCANDRV:
+;1 [-----------] [-----------] [-----------] [-----------] [-----------]
+	; LD	A,(LDRIVE)
+	; LD	(.old_ldrive),A
+	; LD	A,(FATCASH.Update)
+	; OR	A
+	; CALL	NZ,WR_FAT
+
+	CALL	GETBOOT
+	LD	(.old_letter),A	; bootdisk Log.number
+;	 [-----------]
+
+;2 [-----------] [-----------] [-----------] [-----------] [-----------]
+	; A = bootdisk Log.number
+	LD	DE,Dss.DRV.GenIOCTL.Enter
+	LD	BC,Dss.DRV.GenIOCTL.GetParams
+	RST	ToDSS.DRV
+	EX	AF,AF'
+	LD	(.old_DRIVE_ID),A
+;	 [-----------]
+
+
+;3 [-----------] [-----------] [-----------] [-----------] [-----------]	
+	;!TEST в DRV-MAIN могут быть проблемы с прерываниями
+         ;DI
+         LD	A,Dss.DRV.RescanDRV
+         LD	C,Dss.DRV.RescanDRV
+         RST	ToDSS.DRV
+         LD	(LDRIVE),A
+         ;EI
+	;
+;	 [-----------]
+
+;4 [-----------] [-----------] [-----------] [-----------] [-----------]
+.old_DRIVE_ID+1:
+	LD	A,0
+	CALL	SETBOOT
+	JR	C,.ERROR_BOOTDRV_DIES
+	LD	(.new_letter),A
+	;
+	LD	A,(.old_letter)
+	LD	(BOOTDRV),A
+;
+
+;5 [-----------] [-----------] [-----------] [-----------] [-----------]
+	AND	A
+	LD	A,R
+	PUSH	AF
+	DI
+	;;;;;;;;
+	IN	A,(SLOT3)
+	LD	(.restore_page),A
+	LD	A,(DRV_PG_NUMBER)
+	OUT	(SLOT3),A
+	;;;;;
+
+	;	вычисляем смещение bootdisk в новой таблице DEVICE
+.new_letter+1:
+	LD	A,0
+	CALL	.get_entry_addr
+	PUSH	HL
+	;	сохраняем значения нового boot
+	LD	DE,.TMP_BUFFER
+	LD	BC,DEVICE.TBL_Entry
+	LDIR
+	;	вычисляем смещение для буквы старого bootdisk в новой таблице DEVICE
+.old_letter+1:
+	LD	A,0
+	CALL	.get_entry_addr
+	;	меняем букву диска для девайса занявшего старую букву bootdisk
+	POP	DE
+	LD	BC,DEVICE.TBL_Entry
+	LDIR
+	;	восстанавливаем bootdisk на старое место
+	DEC	HL
+	LD	DE,.TMP_BUFFER + DEVICE.TBL_Entry-1
+	LD	BC,DEVICE.TBL_Entry
+	EX	DE,HL
+	LDDR
+	;	проверяем, не увеличилось ли значение LDRIVE
+	;!TEST
+	 LD	HL,.old_letter
+	 LD	A,(LDRIVE)
+	 CP	(HL)
+	 JR	NC,.no_change_LDRIVE
+	 LD	A,(HL)
+	 LD	(LDRIVE),A
+	 ;
+; .old_ldrive+1:
+	 ;LD	L,0
+	 ;LD	A,(LDRIVE)
+	 ;CP	L
+	 ;JR	NC,.no_change_LDRIVE
+	 ;LD	A,L
+	 ;LD	(LDRIVE),A
+	;
+.no_change_LDRIVE:
+	;
+	; DEC	A
+	; CALL	DISKINF
+	; LD	A,(BOOTDRV)
+	; CALL	CHNDISK
+	;;;;;
+.restore_page+1:
+	LD	A,0
+	OUT	(SLOT3),A
+	;;;;;;;;
+	POP	AF
+	LD	A,(LDRIVE)
+	RET	PO
+	EI
+	RET
+.ERROR_BOOTDRV_DIES:
+	LD      BC,256*COLORS.CGA.PAPER.BLUE + BIOS.LP_OPEN_S
+	LD      E,0
+	RST     ToBIOS
+
+	LD	BC,256*COLORS.CGA.PAPER.BLUE + BIOS.LP_CLS_WIN
+	LD      DE,0
+	LD      HL,#2050
+	RST     ToBIOS
+
+	LD      A,1
+	OUT     (RGMOD),A                                               ; set scr-2
+
+	LD      HL,.ERROR_MSG
+	LD      DE,#A000
+	LD      BC,.ERROR_MSG.size
+	LD      A,C
+	LDIR
+
+	LD	DE,#10*256 + (80-.ERROR_MSG.size)/2	;X=0, Y=16
+	LD	C,BIOS.LP_SET_PLACE
+	RST	ToBIOS
+
+	LD      HL,#A000
+	LD      DE,0*256 + COLORS.CGA.FLASH + COLORS.CGA.PAPER.BLUE + COLORS.CGA.INC.WHITE
+	LD      B,A
+	LD      C,BIOS.LP_PRINT_LINE3
+	RST     ToBIOS
+
+.loop:	DI
+; .loop:	LD	A,R
+; 	AND	7
+; 	OUT	(BorderColor),A
+	HALT
+        JR	.loop
+
+.ERROR_MSG:     DZ "Kernel panic! Boot disk lost. Press Ctrl+Alt+Del or RESET."
+.ERROR_MSG.size EQU $-.ERROR_MSG
+.get_entry_addr:
+	 _CALC_DEVICE_ENTRY	DEVICE + #C000
+	RET
+;
+.TMP_BUFFER:	BLOCK 3,#FF
+
+; .old_letter:	DB #FF
+; .old_DRIVE_ID:	DB #FF
+; .new_letter:	DB #FF 
+
+
+
+/*
+;+00	BYTE	MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
+;+01	LONG	SECTOR OFFSET
+;+05	LONG	SIZE IN	SECTORS
+;+09	LONG	Volume Serial Number in HEX ; [ ]  ;!TODO
+;+13	WORD	FREE
+;+15	BYTE	FREE
+
+LOGDRV:	BLOCK	.TBL_Entry*LD_DSK,0	; ld_dsk = 16
+.TBL_Entry	EQU 16
+.Size		EQU $-LOGDRV
+
+
+DEVICE:	BLOCK	DSS_MAX_DRIVES_AMOUNT * .TBL_Entry,#FF
+.Size:	DB	#FF
+.TBL_Entry	EQU 3
+*/
\ No newline at end of file
diff --git a/DSS/build.txt b/DSS/build.txt
index 2c136b2..3c7d064 100644
--- a/DSS/build.txt
+++ b/DSS/build.txt
@@ -1 +1 @@
-302
\ No newline at end of file
+312
\ No newline at end of file
diff --git a/DSS/defines.inc b/DSS/defines.inc
index fd0b202..acc2c34 100644
--- a/DSS/defines.inc
+++ b/DSS/defines.inc
@@ -8,7 +8,7 @@
 ;
 
 ;
-LD_DSK			EQU	16			; максимальное количество логических HDD дисков в системе
+;LD_DSK			EQU	16			; максимальное количество логических HDD дисков в системе
 DSS_MAX_DRIVES_AMOUNT   EQU     26
  DEFINE MAX_RAMDRIVES		16
  DEFINE NeedSafePort_Y		1
diff --git a/Shared_Includes b/Shared_Includes
index a4f1028..6eacd64 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit a4f102897a7fa7488c1e64cf8329f5659c6b0d6b
+Subproject commit 6eacd6475231a504fae4ed03a12f5cd1cb166ac0