Raven-20 RAM expansion
The Raven-20 is a 20K RAM expansion for the BBC Model 'B' Micro fitted with OS 1.2
It provides the user with an extra 20K of usable RAM in screen modes 0 to 3. In other modes the amount of extra memory available will vary. In simple terms HIMEM is set to &7FFF when Raven-20 is enabled. This together with the aid of software makes the system completely transparent to both the user and the computer.Date : 1984
Manufacturer : Raven Micro Products
Physical Description : RAM expansion board Raven EPROM Operating Instructions Polystyrene box and lid Cardboard box
This exhibit has a reference ID of CH34875. Please quote this reference ID in any communication with the Centre for Computing History.