* [[X-MASS]] ([[TotO]])
* [[UIDE Universal IDE adapter cards for Z-80 computers]]
* [[ULIfAC]] (ikonsgr)
=== Power Supply ===
* [[Simple RS232 for Printer usage|Simple RS232 for Printer usage]]
* [[DB-25 Printer Port Adapter]]
* [[DMP 2000 - re-inking the ribbon]]
=== Real Time Clocks ===
* [[Y-MEM]] ([[TotO]])
* [[128k on GX-4000]] ([[User:Rewk]])
* [[CPC 6320 - internal 320K for CPC 6128]] (eto)
* [[ULIfAC]] (512kB Ram/32XROM Board/256K Ram+16X Rom board (ikonsgr)
=== Sound ===
* [[Reset_Button|Reset Button]]
* [[Expansion Converter|UK/DE Expansion Converter]]
* [[Khany]] 's [[BankSwapper]] http://www.cpcwiki.eu/index.php/File:Khany%27s_BankSwapper.jpgBankSwapper]
== Hardware Repair ==