* [[Media:The Amstrad CPC Firmware Guide.txt|The Amstrad CPC Firmware Guide]] - original txt version
* [[Media:CPC firmware.pdf|The Amstrad CPC Firmware Guide]] - decadent pdf version
* [[Media:Schneider CPC464 Firmware Handbuch.pdf|Schneider CPC464 Firmware Handbuch] (german)
* [[Soft968: CPC 464/664/6128 Firmware]] - official firmware specs
[[Category:BIOS]]