1. IZ1002A.EXE Driver
2. README.TXT File Contents

README.TXT Driver File Contents (IZ1002A.EXE)

Please read this entire file before upgrading your firmware.

How to Load the Firmware

Step 1.	Before upgrading your modem, you must know the com port number and IRQ address
	that your modem is on. These are the STANDARD com port
	and IRQ combinations:

	COM 1 (03f8), IRQ 4 where 03f8 is COM 1s hex address
	COM 2 (02f8), IRQ 3
	COM 3 (03e8), IRQ 4
	COM 4 (02e8), IRQ 3

	If you have determined that your modem is on one of these
	com port/IRQ settings, proceed to step 3.

Step 2.	Determining what com port your modem is on:

	Windows 95 - Double-click on the following in order:
	My Computer, Control Panel, System. Click once on
	the Device Manager tab. Double-click on Modem and on
	your modem. Click on the Modem tab, and write down
	the com port number. Then click on the Resources tab
	and write down the Input/Output Range setting and the
	Interrupt Request (IRQ) number. Close all windows.

	Note: If there is no Resource tab in the Modem Properties
	window, then your modem is probably an external and is
	using one of the Standard Settings listed above.

	Windows 3.x - If you are initializing the modem at boot with
	Portwiz, simply type "edit autoexec.bat" at a C:\ prompt and
	write down the settings from the line that starts with the word
	portwiz. The first value is the com port hex address, and the
	second is the IRQ. 

	If you used jumpers to set the com port and IRQ you can use
	the modem manual to reference the jumper settings. 

Step 3.	Running K56LOAD.EXE - If you have downloaded the self extracting loader,
	you should create a new directory or folder and type the name of the file 
	to extract it there. 

	The program is executed by typing k56load <firmware> ENTER
	at the DOS prompt, where <firmware> is the filename of the
	firmware you wish to load (for example either Z1000A40.56x for the 
	external modem, or Z1002A40.56i for the internal modem). Letter case is
	unimportant.
	
	Example:  At a C:\firmware\ prompt where my files are stored I type
	k56load z1000a40.56x and hit the Enter key, I will successfully
	launch the program and attempt to load the firmware for the external
	modem.

Step 4.	Program responses - You will first be prompted for the com port
	on which your modem resides. If your modem is on one of the
	four STANDARD com port/IRQ selections listed in Step 1, then
	simply type in the number of the com port.

	If your modem is on a non-standard com port/IRQ setting, then type
	S to proceed to the Special Settings portion of the program. Once
	there, you will be prompted for the hex address of the com port, and
	the number of the IRQ. For example, if my modem was on COM 3,
	IRQ 11, I would type in 03e8 then 11. Refer to the chart above for
	the hex addresses for the four possible com ports.

Step 5.	Loading the firmware - This program will take you through the steps 
	necesscary to send the flash file to you modem. You are given the option 
	to abort just prior to the upload in case you are not comfotable with the 
	settings you provided the program with. The program will report its 
	actions and progress as it proceeds.

	IMPORTANT:  ONCE THE FIRMWARE UPLOAD TO THE MODEM
	BEGINS YOU MUST NOT INTERRUPT IT! You will be warned when
	this is about to happen. If the upload is interrupted, you will have to
	rerun K56LOAD. 

	Upon successful completion of the firmware upload, your modem will be tested,
	some settings will be restored, and you will be notified that the procedure 
	is complete. It is recommended that you reboot your computer after a sucessful
	upgrade.

Some notes on Plug and Play:

	The upgrade you will perform on your modem may change certain things about 
	your modem that might change the way the modem looks to your computer hardware.  
	In the instance of such a situation we provide the recommended INF file to be
	used with the included flash file. 
	
	The procedure for installing the new INF file:

	Step 1.	Removal of existing modem entry.  Removing the modem entry can be done
		in Control Panel, Modems. Select the current modem entry that is
		associated with your modem and click on the "Remove" button.

	Step 2.	Addition of new modem using INF file.  You can add a new modem in
		Control Panel, Modems by clicking on the "Add" button. When the Add 
		New Modem dialog comes up, click on the box that says "Don't detect
		my modem I will select it from a list". Click on the "Next" button.
		When the Select Modem dialog comes up, click on the "Have disk" button.
		point the explorer dialog to the location of the new INF file, select the 										file, and then click on the "OK" button.  You may be asked to select the
 		modem you have from a list of available modems. Do so, click the "OK" 
		button which should finish the installation.

Zoom Telephonics, Inc.
8/25/97