diff -up file-4.26/magic/Magdir/msdos.devdrv file-4.26/magic/Magdir/msdos
--- file-4.26/magic/Magdir/msdos.devdrv 2008-10-07 16:00:29.000000000 +0200
+++ file-4.26/magic/Magdir/msdos 2008-10-07 16:02:01.000000000 +0200
@@ -293,22 +293,37 @@
>10 string >\x23
>>10 string !\x2e
>>>17 string <\x5B
->>>>10 string x \b, name: %.8s
-#UDMA.SYS KEYB.SYS CMD640X2.SYS
+>>>>10 string CMD640X2.SYS \b, name: %.8s
+#UDMA.SYS
>10 string <\x41
>>12 string >\x40
>>>10 string !$
->>>>12 string x \b, name: %.8s
-#BTCDROM.SYS ASPICD.SYS
+>>>>12 string UDMA.SYS \b, name: %.8s
+#CMD640X2.SYS
+>10 string <\x41
+>>12 string >\x40
+>>>10 string !$
+>>>>12 string CMD640X2.SYS \b, name: %.8s
+#KEYB.SYS
+>10 string <\x41
+>>12 string >\x40
+>>>10 string !$
+>>>>12 string KEYB.SYS \b, name: %.8s
+#BTCDROM.SYS
+>22 string >\x40
+>>22 string <\x5B
+>>>23 string <\x5B
+>>>>22 string BTCDROM.SYS \b, name: %.8s
+#ASPICD.SYS
>22 string >\x40
>>22 string <\x5B
>>>23 string <\x5B
->>>>22 string x \b, name: %.8s
+>>>>22 string ASPICD.SYS \b, name: %.8s
#ATAPICD.SYS
>76 string \0
>>77 string >\x40
>>>77 string <\x5B
->>>>77 string x \b, name: %.8s
+>>>>77 string ATAPICD.SYS \b, name: %.8s
#0 byte 0x8c DOS executable (COM)
# 0xeb conflicts with "sequent" magic
#0 byte 0xeb DOS executable (COM)