== Description ==
A RAM expansions expansion card from made by [[Vortex Computersysteme|Vortex]], mounted between CPC464 CPC 464/664 mainboard and CPU/Gate Array. It won't fit on CPC664, CPC6128the cost-down CPC 464, CPC 6128 or CPC+ boards. The card is not compatible with the standard [[dk'tronics]]-sytle style [[Standard Memory Expansions]].
Sold in different sizes of RAM as '''SP 64''', '''SP 128''', '''SP 256''', '''SP 320''' and '''SP 512'''. Resulting in a maximum RAM size of 576K (64K internal, plus 512K external). The smaller SP64-SP320 versions can be upgraded to SP512 by mounting additional RAM chips in the spare sockets. There is also a cut-down version, '''SP 64/M''', which contains only 64K RAM, no BOS ROM, and which isn't upgradable.
* [[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
== Weblinks ==
* [http://www.vortex.de Vortex/ICP-Homepage]
* [http://www.cpctech.org.uk/docs/sp512.html Vortex SP512 RAM Card]
[[Category:Peripherals]] [[Category:Manual]][[Category:Memory expansions]][[Category:Expansion ROM]]