Bootleg MVS boards

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They exist ! Nightmare Tony's comment is [here].

Some pictures from http://mvs.gotwalls.com/

Bootleg MV1FZ

Fake mv1fz.jpg
  • Vertical board is soldered
  • Normal DIP format 68k CPU
  • Through-hole 5% resistors video DAC
  • Custom chips are marked "A66" (Chipicon.png NEO-B1 ?), "NO-03", "NO-5" (and a blank one)
  • Original YM2610
  • Uses a bunch of PALs
  • Backup RAM saved by a supercap


Bootleg MV1FZ

  • Uses the same "NO-03" and "NO-5" chips as above
  • Gold nugget 16MHz 68k CPU !
  • The "9817 870768593" chip is probably the same as "A66"
  • Space for a QFPR clone of the YM2610 in U1A ?
  • Uses a bunch of PALs
  • RAM chips on the back side
  • Backup RAM saved by a supercap


"Gobit" bootleg

Fakemvs.jpg
  • First gen chipset
  • Vertical board is soldered
  • Custom chips are marked "68C101", "68C202" and "68C303"
  • Socketed Toshiba Z84 Z80 and Motorola 68k CPUs
  • Chipicon.png YM2610 clone named ECW08-4 ?
  • 4 ROMs as in original MVS boards: BIOS, SFIX ROM, M1 ROM, LO
  • Backup RAM saved by a supercap


"Goldstar" version

Fakemvs5.jpg
  • First gen chipset
  • Normal DIP format overclocked (!) 10MHz 68k CPU
  • Through-hole 5% resistors video DAC
  • Custom chips are marked "NEN0.4","007","NEN08","NEN09"
  • Socketed original YM2610
  • Backup RAM saved by a supercap