diff --git a/Shared_Includes b/Shared_Includes
index e7e58e7..5cb5d02 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit e7e58e7b816a25137a0a253321164e863bbe782e
+Subproject commit 5cb5d02cf145ff2d6d14fca5a5f9a5fb2ec6a673
diff --git a/TRDOS/TR_MSD_S.ASZ b/TRDOS/TR_MSD_S.ASZ
index e6fc1d0..4bccc88 100644
--- a/TRDOS/TR_MSD_S.ASZ
+++ b/TRDOS/TR_MSD_S.ASZ
@@ -440,7 +440,8 @@ READ_BPB:
 	;
 	LD BC,256*1 + TRDOS_ROM_CMD.READ
 	CALL MSD_R_W_UT
-	CALL READ_BPB.PARAMS
+	;
+	CALL .PARAMS
 	RET NC
 	JP .ERROR_MSDOS
 .MAIN:	LD A,SYS_PAGE
diff --git a/TRDOS/TR_RMD_S.ASZ b/TRDOS/TR_RMD_S.ASZ
index 1cf7929..8597159 100644
--- a/TRDOS/TR_RMD_S.ASZ
+++ b/TRDOS/TR_RMD_S.ASZ
@@ -431,7 +431,7 @@ READ_ONLY:
 FDD_SET:
 	LD A,(OPER_DISK)
 	LD B,A
-	LD C,#CC	;!HARDCODE BIOS.FDD_TO_DRV
+	LD C,BIOS.FDD_TO_DRV
 	;!TEST 06/01/2024 сохраняем состояние прерываний зачем-то
 	 JP	EXP_FNS
 	 ;CALL EXP_FNS
@@ -466,7 +466,7 @@ RAMD_SET1:
 	LD A,(OPER_DISK)
 	LD B,A
 	POP AF
-	LD C,#CB	;!HARDCODE BIOS.RAMD_TO_DRV
+	LD C,BIOS.RAMD_TO_DRV
 	;!TEST 06/01/2024 сохраняем состояние прерываний зачем-то
 	 JP	EXP_FNS
 	 ;CALL EXP_FNS
@@ -521,7 +521,7 @@ CHOOSE_HDD:
 	CP	#0D
 	JR	Z,.error
 	; номер раздела
-	INC	DE
+	;INC	DE
 	LD	A,(DE)
 	CP	"4"
 	JR	NC,.error
@@ -531,21 +531,21 @@ CHOOSE_HDD:
 	RLA	
 	RLA
 	LD	C,A	
-	; master/slave
+	; ; master/slave
+	; DEC	DE
+	; LD	A,(DE)	
+	; CP	"2"
+	; JR	NC,.error
+	; CP	"0"
+	; JR	C,.error
+	; SUB	"0"
+	; RLA
+	; OR	C
+	; LD	C,A
+	; Primary/Secondary, master/slave
 	DEC	DE
 	LD	A,(DE)	
-	CP	"2"
-	JR	NC,.error
-	CP	"0"
-	JR	C,.error
-	SUB	"0"
-	RLA
-	OR	C
-	LD	C,A
-	; Primary/Secondary
-	DEC	DE
-	LD	A,(DE)	
-	CP	"2"
+	CP	"4"
 	JR	NC,.error
 	CP	"0"
 	JR	C,.error