To do that, you must remove six screws first, open the cover, carefully remove the [[AMSDOS]] ROM chip and replace it with [[ParaDOS]] ROM. Then put the cover back on, put the six screws back on. <BR>
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* B. Leave the [[AMSDOS]] / CPM bootstrap ROM inside the [[Media:Gerald_DDI-1_MF0004B.jpg|disc interface]] (if you want to use DR. LOGO 2 & 3 on upgraded CPC 464) and put [[ParaDOS]] ROM inside the [[Rombo_Rombox|Rombo ROMBOX]] with other ROMS (as shown in [[Expanding_from_CPC_464_to_CPC_6128_Spec#Step_3|step 3]]).
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