NEO-CDM4-2 board
Top-loading NeoGeo CD board.
Only the DRAM layout seems to have changed from the NEO-CDM4-1 board.
NEO-BUF, NEO-SFT, NEO-OFC, NEO-GRZ, 68k CPU, 68k RAM, Battery-backed RAM, Palette RAM, Z80 CPU, NEO-YSA, DRAM, VRAM, LC98000, LC89515, NEO-MGA, Clock, System ROM, PSRAM, LO ROM