diff --git a/constants/SP2000.inc b/constants/SP2000.inc
index a85fda2..5cedb08 100644
--- a/constants/SP2000.inc
+++ b/constants/SP2000.inc
@@ -646,9 +646,9 @@ SYS_PAGE		EQU #FE
 .HDD_PARTITION_OFFSET	EQU #C192 ; - #C195	; [x] работа с разделами для функций 4x в BIOS
 .CURRENT_DIR_SEC_L	EQU #C196 ; word
 .CURRENT_DIR_SEC_H	EQU #C198 ; word
-.CURRENT_DIR_HDD	EQU #C199
+.CURRENT_DIR_HDD	EQU #C19A
 
-;!TODO			EQU #C19A..#C19F
+;!TODO			EQU #C19B..#C19F
 ;.LIB_TABLE		EQU #C1A0..#C1BF				; таблицы Library 32 байта
 
 .IDE_0			EQU #C1C0
@@ -688,7 +688,7 @@ SYS_PAGE		EQU #FE
 .HD_IDF_ADR.heads       EQU .HD_IDF_ADR+6				; Number of heads
 .HD_IDF_ADR.sectors     EQU .HD_IDF_ADR+12				; Number of sectors per track 
 .HD_IDF_ADR.LBA_CHS     EQU .HD_IDF_ADR+99				; LBA/CHS
-
+.HD_IDF_ADR.ModelNum	EQU .HD_IDF_ADR+54
 ;
 .MS_DIR                 EQU #C800                                       ; буфер DIR sector
 .MS_FAT                 EQU #CC00                                       ; буфер FAT sector