INT 21 - Novell NetWare - TRANSACTION TRACKING SYSTEM - TRANSACTION STATUS      
	AX = C704h
	CX:DX = transaction number (see AX=C701h)
Return: AL = status
	    00h successful
	    FFh not yet written to disk
Desc:	verify that a transaction has actually been written to disk
Notes:	this function is supported by NetWare 4.0+ and Advanced NetWare 1.0+
	transactions are written to disk in the order in which they are ended,
	  but it may take as much as five seconds for the data to be written
SeeAlso: AX=C700h"NetWare",AX=C701h,AX=C703h,AX=F222h/SF=04h