[[Category:DIY]][[Category:Cpctech.org]][[Category:Memory expansions]][[Category:Vortex Computersysteme]]
Below are installation notes for the [[Vortex Expansions RAM card]] from Kevin Thacker. Note: Further info (in german) can be found in the official [[Media:Vortex SP 512 kb RAM Expasion Manual.pdf|Vortex SP 512 kb RAM Expasion Manual]] (pdf).
SP512 RAM expansion
The SP512 is a 512K RAM expansion which came in versions for the CPC 464 and the CPC 664 made by Vortex GmbH which is is and are fitted inside the CPC464CPC casing.
There are 3 connections to the main CPC464 P.C.B.