Arleybis - 512K RAM mini board

[Pr0f]

Arrived promptly - unit is well made and works well - I wanted to try this with the QIMSI Gold board - when it's running in QIMSI mode, as I'm using it in a 128K QL, and this just gives the QL a bit more 'room' to be able to make the best use of the QIMSI.