How to install PARADOS into the Amstrad DDI-1 disk interface.

Updated 13 May 2020 – Added a note to say some ROMs maybe soldered to the PCB.

Upgrading your DDI-1 to PARADOS is quite straight forward. You will need :-

  • Amstrad DDI-1 disk interface
  • Philips screwdriver
  • 27(C)128 EPROM containing PARADOS

Some interfaces may have the original ROM soldered onto the PCB rather than in a socket. If that is the case, you will need to carefully remove the original ROM chip, and fit a socket.

And here is how to do the upgrade.
 
  1. Open the DDI-1 by removing the 2 screws.
  2. Carefully remove the AMSDOS ROM chip
  3. Insert the PARADOS EPROM
  4. Re-assemble the DDI-1 box
Thats it. The hardest part is getting PARADOS onto a EPROM. You will know if the EPROM is working when you turn the CPC on – you will see the PARADOS banner on the start screen. To enter the PARADOS utility, run
 
|drive
Amstrad DD-1 with Parados ROM installed

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