> "Cover: Schematics for a 5V, 3A regulated power supply and a
1K x 8 read/write memory block. The power supply and three
such memory blocks can be added to the basic KIM-l microcomputer
to provide the 4K RAM required by this assembler. Parts are
available from Jameco Electronics."
http://users.telenet.be/kim1-6502/6502/2ksa/2ksa.html
> "Cover: Schematics for a 5V, 3A regulated power supply and a 1K x 8 read/write memory block. The power supply and three such memory blocks can be added to the basic KIM-l microcomputer to provide the 4K RAM required by this assembler. Parts are available from Jameco Electronics."