* '''[nocash]''' [[User Manual]] GX4000 User Instructions © Copyright Amstrad plc [[Media:GX4000 User Instructions.pdf|pdf]]
* '''[nocash]''' [[Dk'tronics memory expansion|Dk'Tronics 64k RAM Expansion]] manual [[Media:Dkt64k.pdf|pdf]]
* '''[nocash]''' The Amstrad CPC Firmware Guide by Bob Taylor and Thomas Defoe - [[Media:The Amstrad CPC Firmware Guide.txt|original txt version]] or [[Media:CPC firmware.pdf|decadent pdf version]] or the original(scanned version)[[Firmware Guide - Tayler Defoe]]
* '''[nocash]''' [[Desktop Environment System]] DES Programming Manual by Michael Beckett and Capursoft ([[Media:Desprog.pdf|pdf]])
* '''[nocash]''' [[Maxam]] Documentation by Arnor Ltd (copyright Brian Watson) ([[Media:Maxam.pdf|pdf]])