Needed

NEO-257,NEO-I0 (pictures)
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 (QFP160)	First generation GPU	Some AES, some MVS
	LSPC2-A2	Second generation graphics chip	Some AES, some MVS	File:Lspc2-a2 pinout.png
Need picture	NEO-257 (QFP64R)	Quad 74HC257	Some MVS	File:Neo-257 pinout.png
	NEO-273 (QFP64R)	C and S ROM address latch		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	Dual 8-bit bidirectional buffer	CD1, CD2	File:Neo-buf pinout.png
	NEO-C1	Address decoder Joystick inputs	Some AES, some MVS	File:Neo-c1 pinout.png
	NEO-D0 (QFP64R)	Audio subsystem controller	All AES ?, some MVS	File:Neo-d0 pinout.png
	NEO-CMC	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
File:Brd dcr-t.jpg	NEO-DCR-T	?	Some MVS
	NEO-E0 (QFP64R)	Vector table swapping Memory card address translation	Some AES, some MVS
	NEO-F0 (QFP64R)	Calendar access Dip/cab switches, coin counters LED marquee outputs Slot selection	Some MVS	File:Neo-f0 pinout.png
	NEO-G0 (QFP64R)	AES specific ? Palette data buffer Memory card data buffer	All AES, some MVS ?	File:Neo-g0 pinout.png
	NEO-GRC	Graphics chip	All CD1, all CD2
	NEO-GRZ	All-in-one GPU	All CDZ ?, ROM-only
	NEO-MGA NEO-MGA-T NEO-MGA-T2	CD unit interface	All CD1, all CD2, all CDZ
	NEO-OFC	Graphics chip	All CD1, all CD2
	NEO-PCM2	PCM P ROM decoding, bankswitching and decryption
File:Mvs sdr-t.jpg	NEO-SDR-T	?	Some MVS
	NEO-SFT	Graphics related	All CD1, all CD2
	NEO-SUD	Z80 subsystem controler	All CD1, all CD2
	NEO-VOC	PCM memory handler	All CD1, all CD2
	NEO-YSA	Audio subsystem chip	Some
	NEO-YSA2	Audio subsystem chip	All CDZ ?, All ROM-only
	NEO-ZMC (SOIC24)	Z80 Memory Controller		File:Neo-zmc pinout.png
	NEO-ZMC2 (QFP80R)	Z80 Memory Controller Tile serializer	Some AES carts, some MVS	File:Neo-zmc2 pinout.png
	PCM (QFP80R)	ADPCM bus latches V ROM multiplexer		File:Pcm pinout.png
		Neo print GPU.
	PRO-B0 (QFP136)	First generation Palette arbiter Z80 latch	Some AES, some MVS
	PRO-C0 (QFP136)	First generation Address decoder Glue Line buffer Palette arbiter	Some AES, some MVS
	PRO-CT0 (SDIP64)	C ROM character serializer and multiplexer	Some AES carts, some MVS
	NEO-PVC	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 (DIP64)	16bit CPU	All	Some
	68HC000 (PLCC68)	16bit CPU		Some	All	All	All
	Sony CXA1145	RGB encoder	All
	Sony CXA1645	RGB encoder			?	All	?
	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
	z80 (DIP40)	8bit CPU	All	Some
	z80 (SOIC)	8bit CPU		Some	All	All	All

Memory chips

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