Needed

LC98000,LSPC-A0,PRO-C0,PRO-B0,NEO-DCR-T,NEO-SDR-T (pages)
RAMs (VRAM, 68k, Z80)
All SNK CD chips

Picture	Reference	Description	Found in	Pinout
	LSPC-A0	First generation graphics chip	Some AES, some MVS	File:Lspc-a0 pinout.png
	LSPC2-A2	Second generation graphics chip	Some AES, some MVS	File:Lspc2-a2 pinout.png
	LSPC2-A3	Revision of the second generation graphics chip	Some MVS	File:Lspc2-a2 pinout.png
	NEO-244		Some MVS	File:Neo-244 pinout.png
	NEO-253	Quint 74HC253, 4-to-1 multiplexers	Some MVS
	NEO-257	Quad 74HC257, 2-to-1 multiplexers	Some MVS
	NEO-273	C and S ROM address latches	Cartridges	File:Neo-273 pinout.png
	NEO-B1	Second generation graphics chip Sprite and FIX multiplexer Line buffers Palette arbiter	Some AES, some MVS	File:Neo-b1 pinout.png
	NEO-BUF (Fujitsu)	Dual 8-bit bidirectional buffer	CD1, CD2, some late MVS	File:Neo-buf pinout.png
	NEO-C1 (Fujitsu)	Address decoder Joystick inputs Z80 interface	Some AES, some MVS	File:Neo-c1 pinout.png
	NEO-D0 (Fujitsu QFP64R)	*Audio subsystem controller Output port Memory card bankswitching	All AES ?, some MVS	File:Neo-d0 pinout.png
	NEO-CMC (Toshiba)	NEO-273 logic NEO-ZMC logic C ROM decryption C/S ROM multiplexer S ROM bankswitching M ROM decryption (NEOCMC50 only) M ROM bankswitching	Some cartridges
	NEO-DCR-T (Toshiba)	?	Some MVS
	NEO-E0 (Fujitsu QFP64R)	Vector table swapping Buffer/driver	Some AES, some MVS
	NEO-F0 (Fujitsu QFP64R)	Calendar access Dip/cab switches, coin counters LED marquee outputs Slot selection	Some MVS	File:Neo-f0 pinout.png
	NEO-G0 (Fujitsu QFP64R)	Quad 245 bidirectional buffer. Palette data buffer Memory card data buffer 68k data bus buffer	All AES, some MVS ?	File:Neo-g0 aes pinout.png
	NEO-GRC (Fujitsu)	Graphics chip	All CD1, all CD2
	NEO-GRC2-F (Fujitsu)	Graphics chip	All CDZ ?, Some MVS
	NEO-GRZ (Fujitsu)	All-in-one GPU	ROM-only
	NEO-I0 (Fujitsu)	Multi-purpose MVS specific chip. SFIX ROM address latch Coin counter and lockout outputs	Some MVS	File:Neo-i0 pinout.png
	NEO-MGA NEO-MGA-T NEO-MGA-T2 (Toshiba)	CD unit interface, latches, address decoding ?	All CD1, all CD2, all CDZ, some MVS	File:Neo-mga.png
	NEO-OFC (Fujitsu)	Graphics chip	All CD1, all CD2
	NEO-PCM2 (Fujitsu)	PCM P ROM decoding, bankswitching and decryption	ROM-only boards
	NEO-SDR-T (Toshiba)	?	Some MVS, All Neo Prints	File:Neo-sdr pinout.png
	NEO-SFT (Fujitsu)	Graphics related	All CD1, all CD2
	NEO-SUD (Yamaha)	Z80 subsystem controler	All CD1, all CD2
	NEO-VOC (Yamaha)	PCM memory handler	All CD1, all CD2
	NEO-YSA (Yamaha)	Audio subsystem chip	Some CD2
	NEO-YSA2 (Yamaha)	Complete audio subsystem chip Embedded Z80 Embedded YM2610	All CDZ ?, All ROM-only
	NEO-ZMC (Fujitsu SOIC24)	Z80 Memory Controller	Cartridges	File:Neo-zmc pinout.png
	NEO-ZMC2 (Fujitsu QFP80R)	Z80 Memory Controller Sprite tile serializer	AES carts, some MVS	File:Neo-zmc2 pinout.png
	PCM (Fujitsu QFP80R)	ADPCM bus latches V ROM multiplexer	Cartridges	File:Pcm pinout.png
	PSTG-SNK	Neo Print GPU.
	PRO-B0 (NEC QFP136)	First generation Palette arbiter Z80 latch	Some AES, some MVS
	PRO-C0 (NEC QFP136)	First generation Address decoder Glue Line buffer Palette arbiter	Some AES, some MVS
	PRO-CT0 (NEC SDIP64)	C ROM character serializer and multiplexer	Some AES carts, some MVS
	NEO-PVC (Fujitsu)	P ROM decryption chip
	NEO-SMA	P ROM decryption chip

Other chips

Picture	Reference	Description	Found in
Picture	Reference	Description	AES	MVS	CD1	CD2	CDZ
	68HC000 (Toshiba DIP64)	16bit CPU	All	Some
	68HC000 (Motorola PLCC68)	16bit CPU		Some	All	All	All
	Sony CXA1145	RGB encoder	All
	Sony CXA1645	RGB encoder			?	All	?
	Hitachi HD6301 (DIP40)	Microcontroller	Multiplayer cartridges
	Sanyo LC78815	Stereo DAC			?	All
	Sanyo LC89515	CD host and error corrector			All	All	?
	Sanyo LC8953	PUPPET			All	Some	?
	Sanyo LC98000	PUPPET replacement				Some	?
	NEC UPD4990	Real Time Clock		All
	Yamaha YM2610	Sound synthesizer	All	All	All	Some
	Yamaha YM3016	Audio DAC	All	All	All	Some
	Zilog z80 (DIP40)	8bit CPU	All	Some
	Toshiba z80 (SOIC)	8bit CPU		Some	All	All	All

Memory chips

Picture	Reference	Description	Found in
	LO	Shrink lookup ROM	All systems
	SP-S2	MVS System ROM	MVS systems
	SM1	Embedded sound driver ROM
	SFIX	Embedded Fix ROM
	NEO-EP0	AES System ROM	AES systems
Picture needed	TOP-SP1-1	CD2 System ROM	Top loading CD systems (LC8953 versions)
Picture needed	TOP-SP1-2	CD2 System ROM	Top loading CD systems (LC98000 versions)
	FRONT-SP1	CD1 System ROM	Front loading CD systems