MVS board types

Some information from [HardMVS].

The number in the model name is the number of cartridge slots.

Model	Memory card slot	Joypad ports	System ROM	Video chipset	Other chips	PCB picture
MV1(T)	No	Yes	Socketed DIP	PRO-B0/PRO-C0/LSPC-A0	NEO-D0 NEO-E0 NEO-F0 NEO-G0 NEO-I0 NEO-ZMC2
MV1A	No	No	Socketed DIP	NEO-MGA/NEO-GRC	NEO-BUF NEO-D0 NEO-F0 NEO-I0 NEO-ZMC2	Yes
MV1ACH	No	No	Socketed DIP	NEO-MGA/NEO-GRC	NEO-BUF NEO-D0 NEO-F0 NEO-I0 NEO-ZMC2
MV1AX	No	No	Soldered DIP	NEO-MGA/NEO-GRC
MV1B	No	No	Soldered SMD	NEO-GRC2	NEO-BUF NEO-DCR-T NEO-SDR-T	Yes
MV1B1	No	No	Soldered SMD	NEO-GRC2	NEO-BUF NEO-DCR-T NEO-SDR-T
MV1C	No	No	Soldered SMD	NEO-GRZ	NEO-DCR-T NEO-YSA2	Yes
MV1F(S)	No	Yes	Socketed DIP	NEO-B1/LSPC2-A2	NEO-C1 NEO-D0 NEO-E0 NEO-F0 NEO-I0
MV1FZ(S)	No	No	Socketed DIP	NEO-B1/LSPC2-A2	NEO-C1 NEO-D0 NEO-E0 NEO-ZMC2	Yes
MV2B	External	Yes	Socketed DIP	PRO-B0/PRO-C0/LSPC-A0	PRO-CT0	Yes
MV2F	Yes	Yes	Socketed DIP	NEO-B1/LSPC2-A2
MV2FS	Yes	Yes	Socketed DIP	NEO-B1/LSPC2-A2		Yes
MV4	External	Yes	Socketed DIP	PRO-B0/PRO-C0/LSPC-A0	PRO-CT0	Yes
MV4F(S)	External	Yes	Socketed DIP	NEO-B1/LSPC2-A2	NEO-C1 NEO-D0 NEO-E0 NEO-I0...
MV4FT	External	Yes	Socketed DIP	NEO-B1/LSPC2-A2	NEO-C1 NEO-D0 NEO-E0 NEO-I0...
MV4FT2	External	Yes	Socketed DIP	NEO-B1/LSPC2-A2	NEO-C1 NEO-D0 NEO-E0 NEO-I0...	MVS-Scans
MV6	External	Yes	Socketed DIP	PRO-B0/PRO-C0/LSPC-A0	PRO-CT0

Also see ROM-Only boards.