diff --git a/constants/BIOS_equ.inc b/constants/BIOS_equ.inc
index 1c08130..c162006 100644
--- a/constants/BIOS_equ.inc
+++ b/constants/BIOS_equ.inc
@@ -187,7 +187,13 @@ Error:						;
 .Write			EQU	10		;
 .Failure		EQU	11		;
 .Busy			EQU	12		; DEVICE OPENED
-;	ATAPI ERRORS
+.NotSupported		EQU	#AA		;
+;
+Error.EMM:					;
+.InvalidBlockID		EQU	0		;
+.NoMemory		EQU	1		;
+;
+Error.ATAPI:
 .NoSence		EQU	#70
 .RecoveredError		EQU	#71
 .NotReady		EQU	#72
@@ -200,10 +206,6 @@ Error:						;
 .Miscompare		EQU	#7E
 .TimeOut		EQU	#80
 ;
-.NotSupported		EQU	#AA		;
-Error.EMM:					;
-.InvalidBlockID		EQU	0		;
-.NoMemory		EQU	1		;
 ;-----------------------------------------------;
 
 ; .NO_ERROR               EQU #00    ; 00 - NO ERRORS
diff --git a/constants/SP2000.inc b/constants/SP2000.inc
index 2969c22..9d29398 100644
--- a/constants/SP2000.inc
+++ b/constants/SP2000.inc
@@ -1711,6 +1711,8 @@ Config_PG:
 ; 5 - секторов на цилиндр мл.
 ; 6 - секторов на цилиндр старш.
 ; 7 - тип драйва	HDD - 1, CD-ROM - 2...
+; 8 - размер сектора
+;10 - Removable Media Parameters
 	STRUCT  HDD_INIT_TABLE
 .DRV_Flags		BYTE	; 0	DRVHD_H
 .SectorsPerTrack	BYTE	; 1	SC_PT_H