Format of NetWare "Get Physical Disk Statistics" request buffer:
Offset	Size	Description	)
 00h	WORD	0002h (length of following data)
 02h	BYTE	D8h (subfunction "Get Physical Disk Statistics")
 03h	BYTE	physical disk number
SeeAlso: #02036,#02231 at AX=F217h/SF=D8h