diff --git a/constants/dss_equ.inc b/constants/dss_equ.inc
index dbe9c0f..f644d97 100644
--- a/constants/dss_equ.inc
+++ b/constants/dss_equ.inc
@@ -1,5 +1,6 @@
 ;[Вызов функций DSS]--------------------
 ToDSS           EQU     #10
+.DRV		EQU	#18
 ;---------------------------------------
 
 ;---[Буфер под служебную строку DSS]----
@@ -153,7 +154,20 @@ Dss:
 .CTRLPRN        EQU     #5E
 .Print          EQU     #5F
 ;---------------------------------------
-;
+.DRV.Init	EQU	#00
+.DRV.Open	EQU	#01
+.DRV.Close	EQU	#02
+.DRV.MediaCheck EQU	#03
+.DRV.GetBPB	EQU	#04
+.DRV.Read	EQU	#05
+.DRV.Write	EQU	#06
+.DRV.Removable	EQU	#07
+.DRV.GenIOCTL	EQU	#08
+ ;.DRV.Reserved	EQU	#09
+.DRV.LongRead	EQU	#10
+.DRV.LongWrite	EQU	#11
+
+
 
 ;
 ;------------[Video modes]--------------
diff --git a/structures/FileSystem.inc b/structures/FileSystem.inc
index 30c7ad2..2372496 100644
--- a/structures/FileSystem.inc
+++ b/structures/FileSystem.inc
@@ -18,7 +18,7 @@
 .BPB_PHISICAL_DRIVE_NUMBER:     WORD    #80                ; +#24 PHISICAL DRIVE NUMBER
 .BPB_EXT_BOOT_RECORD_SIGNATURE: BYTE    #29                ; +#26 EXTENDED BOOT RECORD SIGNATURE
 .BPB_SERIAL_NUMBER:             DWORD   0                  ; +#27 VOLUME SERIAL NUMBER
-.BPB_LABEL:                     TEXT    8,{"NO NAME"," "}  ; +#2B DISK LABEL
+.BPB_LABEL:                     TEXT    11,{"NO NAME"," "} ; +#2B DISK LABEL
 .ID_FAT:                        TEXT    8,{"FAT16"," "}    ; +#36 FILE SYSTEM ID  ( BPB_FS_ID )
  ENDS
 ;
\ No newline at end of file