Displaying 2 results from an estimated 2 matches for "4d21h".
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d21h
2004 Jul 06
3
Disabling MEMDISK
...running this from
+DOS will probably crash your machine (DOS doesn't like drives
+suddenly disappearing from underneath):
+
+ mov eax, 454D0800h
+ mov ecx, 444D0000h
+ mov edx, 53490000h + drive #
+ mov ebx, 3F4B0000h
+ int 13h
+
+ shr eax, 16
+ cmp ax, 4D21h
+ jne not_memdisk
+ shr ecx, 16
+ cmp cx, 4D45h
+ jne not_memdisk
+ shr edx, 16
+ cmp dx, 4944h
+ jne not_memdisk
+ shr ebx, 16
+ cmp bx, 4B53h
+ jne not_memdisk
+
+ di
+ mov bx,[es:0] ; INT 13h handler offset
+...
2010 Mar 09
3
Enhanced MDISKCHK.COM and MEMDISK patches
Good day to all,
Gert Hulselmans requested a feature for MDISKCHK.COM that would function
roughly like GETARGS.COM[1] by Murali Krishnan Ganapathy: DOS SET
command output for MEMDISK kernel arguments passed by previous
boot-loaders. He also needed to support the case for
MEMDISK-in-a-MEMDISK type situations, where all MEMDISK kernel arguments
could be gathered together and output as a list