* [[Media:BOS10ALT.ZIP]] - BOS v1.0 ROM-image (Alternative version)
* [[Media:Bos21.zip]] - BOS v2.1 ROM-image
* [[Media:BOS21 664.zip]] BOS v2.1 ROM-image (CPC 664 version)
* [[media:vramid.zip|Vortex RAM ID ROM]] - RAM ID ROM Image
* [http://www.cpctech.org.uk/docs/sp512.html Vortex SP512 RAM Card]
[[Category:Peripherals]] [[Category:Manual]][[Category:Memory expansions]][[Category:Expansion ROM]][[Category:Vortex Computersysteme]]