Using diagnostics to fix 3C509B-TPO configuration

Problem: Cannot configure the 3C509B-TPO with the Transceiver Type option.

Solution:
1. DOS boot the machine and bypass the CONFIG.SYS and AUTOEXEC.BAT files
2. Run 3C5X9CFG.EXE on the root of the EtherDisk v4.x
3. Under INSTALLATION, select "Configure Adapter"
4. Select "Save..." and name the file 3C5X9.SET to save the configuration to a text file
5. Exit to DOS and edit 3C5X9.SET
6. Set the transceiver line to: "@Transceiver type: on-board TP"
7. Save this change back to 3C5X9.SET
8. Run 3C5X9CFG.EXE again and go to Installation, Configure Adapter
9. Select "File Options..." and "Load..."
10. For the file name, enter "3C5X9.SET" to load the edited configuration
11. Select "OK" to save the configuration to the adapter
12. Test the adapter