(Eighting 1999)

PCB ET68-V99

CPU

TMP68HC000N-16 (68000, 64 pin DIP)
Graphix L7A0498 GP9001 TOA PLAN 9335
Sound
Z84C0006PEC (Z80, 40 pin DIP), YMZ280B-F (64 pin PQFP, 8 Channel PCM/ADPCM Decoder), Yamaha YAC516-E (24 pin SSOP, Audio Digital to Analog Converter)
OSC
27.000MHz, 32.000MHz
XTAL
16.93R8G (near YMZ280)
RAM Sony CXK5863BP x 3, Panasonic MN414260SJ x 2, NKK N341256SJ x 6
Source: the guru

Source : my own collection