;****************************************************************
;*								*
;* Copyright (C) 1991 National Semiconductor Corp.		*
;* Drivers for System Oriented Network Interface Controller	*
;* (SONIC).							*
;*								*
;* Revision History:						*
;* Date		Who		Rev	Comments     		*
;* 11/26/91	SFK		.00	Genesis.		*
;*								*
;* Description:							*
;* This document explains information specific to the Novell	*
;* 3.11 and ODI drivers for the SONIC networking boards. 	*
;*								*
;****************************************************************

I.  SONIC 3.11 server drivers:
        The Maximum Physical Receive Packet Size option for the
	SONIC drivers must be set to 1518 or greater in order for 
	SONIC hardware to receive the maximum size ethernet packets.
	This option can only be modified in the STARTUP.NCF file. 
	The reason for the 1518 bytes is, the SONIC hardware DMAs 
	packet data directly into receive buffers and hence will 
	also write the Frame Check Sequence. 
	NOTE: An ethernet packet consists of the following fields.
		6 bytes of destination address
	   	6 bytes of source address
	   	2 bytes of Type/Length field
     	     1500 bytes maximum data field
	   	4 bytes of Frame Check Sequence
	    -------------------------------------
       	     1518 bytes maximum on a ethernet network.


II. SONIC ODI workstation drivers:
    1)	Running the SONIC workstation driver with windows the use of a 
	transmit buffer is neccessary.  To enable the use of the transmit 
	buffer a user must simply add "Transmit Buffer on" option to the 
	drivers NET.CFG file following link driver name.  The reason for 
	the use of a transmit buffer is since the SONIC hardware is a bus 
	master it requires physical addresses to locate transmit packet 
	data.  When operation under windows in enhanced mode the pointers 
	in the transmit ECB are virtual addresses and the driver assumes 
	the pointers are real mode addresses.   Currently the drivers do
	not have the ability to detected that windows has loaded and is 
	running in enhanced mode. 
				
