:* Slot 5: or [[ParaDOS]] as well - only, if you choose to leave the AMSDOS ROM chip inside the disc interface
* [[Amstrad_Disk_Drive|Amstrad DDI-1 External 3" Disc Drive]] with Disc interface (a choice of either replaced with ParaDOS ROM - recommended to do it for upgraded CPC 464+ to 6128+ spec or leave the AMSDOS ROM inside the disc interface - for using DR. LOGO on upgraded CPC 464 to 6128 spec, '''NOT''' [[464Plus_Conversion#Jonathanen.27s_Easy_Way_To_464.2B_Conversion|upgraded 464+]]) from the pass-through connector on the ROMBOX
* 3.5” External disc drive with external power supply, [[Side Select Switch|side switch]], [[Adding_3.5"_drive_to_CPC464#3.5.22_READY_Signal_Test|"READY " signal ]] and a drive lead with 34 way IDC Male connector (34 pins sticking out) to the back of DDI-1 disc interface and place this disc drive on top of DDI-1 external disc drive - if you not sure how to, then follow "[http://www.cpcwiki.eu/index.php/Adding_3.5%22_drive_to_CPC464 Adding 3.5" Disc Drive 'B' - For CPC 464 Series with DDI-1 only!!]" instructions.<BR>
= Step 4 =