* [[Media:Upgrade 64K-256K Dk'tronics - TAU 29 pg 04.jpg|Upgrade a 64K expansion to a 256K expansion]] - from the Australian Mag : TAU 29 pag 04.
* An article in Amstrad Action (Issue 46, July 1989, [[:File:AmstradAction046-16.jpg|page 16 ]] and [[:File:AmstradAction046-17.jpg|17]]) described how a Silicon Disk can be converted into a memory expansion.
== Manuals ==