CHA board

From MAME's source:

=MVS=

CHA512Y

 * 8 8MiB C ROMs
 * 128KiB M1 ROM
 * 128KiB S1 ROM
 * NEO-273
 * NEO-ZMC
 * LS139,LS174

CHAFIO

 * used with NEO-CMC 90G06C7042 or NEO-CMC 90G06C7050

CHAFIO (2003.7.24)

 * used only with NEO-CMC 90G06C7050

PROGBK1 (1994)

 * 4 2MiB V ROMs
 * 1MiB P1 ROM
 * 2MiB SP2 ROM
 * 2 512KiB EP1/EP2 ROM
 * NEO-PCM
 * LS139,LS08,LS74