[Index by function] [Index by Company]
Watford Electronics 13 ROM Board (top)
Watford Electronics 13 ROM Board (bottom)
The Watford Electronics 13 ROM Board actually takes 12 ROMs and has 2 x 8KB static RAM chips (bottom right in top picture) providing the final 13 ROM. This means that a ROM image can be loaded into RAM, selected and run. The links (top right) on the board are marked:
In the bottom picture, you can see that there is only 1 set of pins which would fit into 1 of the BBC Micro's ROM sockets.
I do not have a manual so cannot provide any more details of the board.
The Watford Electronics BBC Micro ROM Paging System manual is available HERE .