U1: RAM (Work): SRAM 256Kb: 32K x 8-bit CXK58257AM-10L, uPD43256AGU-12L U2: RAM (Work): SRAM 256Kb: 32K x 8-bit CXK58257AM-10L, uPD43256AGU-12L U3: CPU: TMP68HC000N-12 U4: NEO-C1 U5: NEO-G0 U7: RAM: SRAM 8Kb: 1K x 8-bit uPD4364CX-12 U8: 74HC04 U9: 74LS273 U10: 74LS273 U11: 74LS05 U12: 74LS06 U13: NEO-B1 U15: 74LS244 U16: BIOS (Z80): TC531000CP U17: RAM (LSPC): SRAM 256Kb: 32K x 8-bit CXK58257AM-10L, uPD43256AGU-12L U18: RAM (LSPC): SRAM 256Kb: 32K x 8-bit CXK58257AM-10L, uPD43256AGU-12L U19: RAM (Palette/Video): SRAM 64Kb: 8K x 8-bit CXK5863P-30, CXK5864BSP-10L U19: RAM (Palette/Video): CXK5814P-35L U20: RAM (Palette/Video): SRAM 64Kb: 8K x 8-bit CXK5863P-30, CXK5864BSP-10L U20: RAM (Palette/Video): CXK5814P-35L U21: Line Sprites: LSPC2-A2 U22: NEO-D0 U23: RAM (Z80): SRAM 16Kb: 2K x 8-bit BR6216B-10LL, HM6116ASP-20 U24: CPU: Z0840006PSC U25: Headphone Amp: NJM2066D U26: Audio DAC: YM3016-D U27: Audio: YM2610 U28: Op-Amp: 4558 U29: Op-Amp: 4558 U30: Op-Amp: 4558 U31: Op-Amp: 4558 U32: RGB Encoder: CXA1145P U33: 74HC04 U34: NEO-E0 U35: 74HC259 U36: NEO-EP0 BIOS (68000): TC531024P-15 U37: Voltage Regulator: LM2576T U38: 74HC32 U39: CX23065A