INT 21 - Novell NetWare - CLEAR PHYSICAL RECORD SET                             
	AX = F21Fh
	CX = length of request packet in bytes
	DX = 0000h (no reply packet)
	DS:SI -> request packet (see #02279)
	ES:DI ignored
Return: AX = status (see #02860 at INT 2F/AX=7A20h/BX=0000h)
SeeAlso: AH=5Ch,AH=C4h"NetWare",AH=F2h"Novell",AX=F20Eh,AX=F21Eh


Format of NetWare "Clear Physical Record Set" request packet:
Offset	Size	Description	(Table 02279)
 00h	BYTE	lock flag (00h = not locked)
SeeAlso: #02278