Ref.13 - 2532 to 27256 EPROM Adapter
This adapter is intended to use modern EPROM 27c256 (32KB) on chess computers using ROMs of the type 2532 (4KB). At the bottom it has 24 pins, and at the top it has a 28-pin socket.
The resulting height increase is 10 mm
Length x Width = 36 x 21 mm
It also allows the use of EPROMs 27c128 (16KB), and to change the A12 to A14 addressing lines with SMD jumpers.
Example of installation in a Fidelity Prestige Challenger:
