==========================
Firmware update of ZS129A1
==========================

The Flash-up procedure for the firmware update of ZS129A1 requires a bootable floppy disk with specific flash-up files.

To create the bootable floppy "ZS129A1 Flash-up Rev x.x" please perform the following steps:
--------------------------------------------------------------------------------------------

1. Double-click on the "ZS129_FU.exe" file in Windows.

2. A "WinImage Self Extractor" window will appear.

3. Select "Writing on Floppy" and the appropriate drive letter (e.g. A:) for "Floppy".

4. Click the "OK" button.

5. A "Batch assistant" window will appear.

6. Insert a blank floppy diskette into the disk drive and click "OK".

7. A "Writing disk" window will appear, and the progress will be indicated.


The bootable floppy "ZS129A1 Flash-up Rev x.x" is used to carry out the following flash-up procedure:
-----------------------------------------------------------------------------------------------------

1. Switch off the ZS129A1 and connect the special flash-up cable to the LPT1 interface of the GB127.

2. Connect the flash-up cable to the LPT1 interface of the assisting PC.

3. Switch on the ZS129A1.

4. Insert the "ZS129A1 Flash-up Rev x.x" floppy which contains the current firmware release into the disk drive and restart the PC.

5. The firmware update program will start and the progress of the update will be indicated on the PC.

6. When the update is completed, switch off the ZS129A1 and the PC, and remove the flash-up cable.

7. Switch on the ZS129A1 to confirm that it is functioning.
