diff --git a/DSS/build.txt b/DSS/build.txt
index 4e9e288..4b6f9c3 100644
--- a/DSS/build.txt
+++ b/DSS/build.txt
@@ -1 +1 @@
-63
\ No newline at end of file
+64
\ No newline at end of file
diff --git a/DSS/drivers/media/Shared.asm b/DSS/drivers/media/Shared.asm
index 4533510..3d19bcf 100644
--- a/DSS/drivers/media/Shared.asm
+++ b/DSS/drivers/media/Shared.asm
@@ -189,6 +189,16 @@ GET_LOGDRV_ENTRY:
 ;-------------------------------------------------
 
 
+;-------------------------------------------------
+CONVERT_SECTOR_SIZE:
+		LD	A,XH
+		LD	E,XL
+		RL	E
+		RLA
+		RET
+;-------------------------------------------------
+
+
 ;-------------------------------------------------
 ; RST 18h. Вектор дисковых устройств
 ; вход: a=номер устройства (0-25)
diff --git a/DSS/drivers/media/ata_atapi-drv.asm b/DSS/drivers/media/ata_atapi-drv.asm
index 5a4d369..bcb6322 100644
--- a/DSS/drivers/media/ata_atapi-drv.asm
+++ b/DSS/drivers/media/ata_atapi-drv.asm
@@ -500,12 +500,13 @@ GetParams:	;EX	DE,HL
 		 LD	A,B
 		 LD	B,D
 		 EXX
-		;[ ] 04/01/2025 возвращение размера сектора
+		;[x] 04/01/2025 возвращение размера сектора
 		EX	AF,AF'
-		LD	A,XH
-		LD	E,XL
-		RL	E
-		RLA
+		CALL	CONVERT_SECTOR_SIZE
+		; LD	A,XH
+		; LD	E,XL
+		; RL	E
+		; RLA
 		;
 		; SECTORS ON LOGICAL DISK
 		LD	E,(IY+LOGDRV.SIZE_IN_SECTORS+0)
diff --git a/DSS/drivers/media/fdd-drv.asm b/DSS/drivers/media/fdd-drv.asm
index cd4149d..585aa97 100644
--- a/DSS/drivers/media/fdd-drv.asm
+++ b/DSS/drivers/media/fdd-drv.asm
@@ -343,16 +343,7 @@ GenIOCTL:	BIT	7,B
 ;		 D5	- "1" RESERVED
 ;		 D4	- DEVICE MASTER/SLAVE
 ;		 D1..D3 - "0" RESERVED (MAY BE OTHER)
-.GetParams:	;EX	DE,HL
-		;LD	BC,Dss.DRV.GenIOCTL.Enter
-		AND	#0F
-		;SBC	HL,BC
-		;JR	Z,.next
-		;
-		;LD	A,BIOS.Error.Failure
-		;SCF 
-		;RET
-		;
+.GetParams:	AND	#0F
 .next:		PUSH	AF
 		PUSH	IY
 		LD	C,BIOS.DRV_GET_PAR
@@ -364,6 +355,7 @@ GenIOCTL:	BIT	7,B
 		PUSH	DE
 		LD	A,H
 		LD	C,L
+		;
 		LD	HL,0
 		LD	B,H
 .mull_loop1:	ADD	HL,BC
@@ -395,7 +387,11 @@ GenIOCTL:	BIT	7,B
 		EX	DE,HL
 		; H=0
 		LD	C,H	;[x] 17.12.2023 загрузка с активного раздела, а не с первого
-		EXX 
+		EXX
+		 CALL	CONVERT_SECTOR_SIZE
+		EXX
+		LD	B,A	;[ ] 25/04/2026 возвращение размера сектора
+		EXX
 		 POP	DE
 		 POP	HL
 		 POP	AF
diff --git a/DSS/drivers/media/ram_disk-drv.asm b/DSS/drivers/media/ram_disk-drv.asm
index f4df61e..190ff38 100644
--- a/DSS/drivers/media/ram_disk-drv.asm
+++ b/DSS/drivers/media/ram_disk-drv.asm
@@ -462,40 +462,31 @@ GenIOCTL:	BIT	7,B
 ;       D5      - "1" RESERVED
 ;       D6      - ADDRESSING MODE LBA/CHS
 ;       D7      - "1" RESERVED
-.RGETPRM:	;EX	DE,HL
-		;LD	BC,Dss.DRV.GenIOCTL.Enter
-		;AND	A
-		;SBC	HL,BC
-		LD	L,A
-		;LD	A,BIOS.Error.Failure
-		;SCF
-		;RET	NZ
-		;
+.RGETPRM:	LD	L,A
 		EX	AF,AF'
 		LD	A,L
 		CALL	GET_RAMDRV_NUM
 		PUSH	AF
 		PUSH	AF
 		EX	AF,AF'
-
 		POP	AF
 		LD	C,BIOS.DRV_GET_PAR
 		RST	ToBIOS
-
 		PUSH	HL      ;число головок, число секторов (на целиндр)
 		PUSH	DE      ;количество цилиндров
 		EXX
-		POP	HL      ;количество цилиндров
-		POP	BC      ;число секторов (на целиндр)
-		LD	D,0
-		LD	E,B     ;число головок
-		LD	B,D
+		 CALL	CONVERT_SECTOR_SIZE
+		 POP	HL      ;количество цилиндров
+		 POP	BC      ;число секторов (на целиндр)
+		 LD	D,0
+		 LD	E,B     ;число головок
+		 LD	B,D
 		EXX
-
+		LD	B,A
 		LD	A,L
-
 		RRA
 		JR	C,.end
+		;
 .loopShift:	SLA	E
 		RL	D
 		RRA
diff --git a/Shared_Includes b/Shared_Includes
index 440cb45..e1dc7ec 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit 440cb45e755dbb4c4c00ac1d193a6701c5684704
+Subproject commit e1dc7ec10dc9c7e9153a05884e42973a57378a63