New firmware for SD DISK][ emulator (V2.59V)

New Firmware file

SDBIOS.ROM

What's new

Support PO image files on FDD mode only.

Other minor bug fixed.

Some of new function is testing...

How to update firmware

 

WARNING

! Your APPLE][ must not fail electric power while the firmware updating.  

If this happens, the SD Disk][ may to fail restart, or you won't be able to update firmware anymore.

In this case, please return the board to me for re-programming. (Free of charge to fix this issue but all shipping costs will be your responsibility).

If you are ready to upgrade, please read first and follow below carefully

 

1) Power OFF the APPLE][ and open the cover.

2) Eject SD Memory card

3) Copy new firmware(SDBIOS.ROM) to ROOT directory.

4) Push Dial button(YES) +Exit button simultaneously, then power ON the APPLE][

5) Then release button some seconds later then You will see as 'system check..................................' on LCD and S/W terminal screen.

6) A while later, SD DISK][ Emulator will restart automatically.

7) Power OFF/ON your APPLE II and enjoy it.

Thank you

Ian Kim