Format of European MS-DOS 4.0 hard error information packet:
Offset	Size	Description	)
 00h	WORD	contents of AX at system entry
 02h	WORD	Process ID which encountered error
 04h	WORD	contents of AX at time of error
 06h	BYTE	error type
		00h physical I/O error
		01h disk change request
		02h file sharing violation
		03h FCB problem
		04h file locking violation
		05h bad FAT
		06h network detected error
 07h	BYTE	INT 24 error code
 08h	WORD	extended error code (see #01680)
 0Ah	DWORD	pointer to associated device