Bootleg MVS boards: Difference between revisions
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They exist ! | They exist ! | ||
They're probably first generation chipset clones as there's always 3 custom chips (which would act as | They're probably first generation chipset clones as there's always 3 custom chips (which would act as {{Chipname|PRO-B0}}, {{Chipname|PRO-C0}} and {{Chipname|LSPC-A0}}). | ||
(Is there a 74xx replica of | (Is there a 74xx replica of {{Chipname|NEO-ZMC2}} on them ?) | ||
MV-1FZ bootleg: http://mvs.gotwalls.com/index.php/MV-1FZ_%28bootleg%29 | MV-1FZ bootleg: http://mvs.gotwalls.com/index.php/MV-1FZ_%28bootleg%29 | ||
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*Socketed Toshiba Z84 [[Z80]] and Moto [[68k]] CPUs | *Socketed Toshiba Z84 [[Z80]] and Moto [[68k]] CPUs | ||
*Rebranded [[YM2610]] (or clone ?) as ECW08-4 | *Rebranded [[YM2610]] (or clone ?) as ECW08-4 | ||
*4 ROMs as in legit MVS boards: BIOS, [[SFIX]], [[M1 ROM]], [[LO]] | *4 ROMs as in legit MVS boards: BIOS, [[SFIX ROM]], [[M1 ROM]], [[LO]] | ||
*[[Backup RAM]] seems to be saved by a goldcap | *[[Backup RAM]] seems to be saved by a goldcap | ||
Revision as of 06:27, 16 January 2017
They exist !
They're probably first generation chipset clones as there's always 3 custom chips (which would act as PRO-B0, PRO-C0 and LSPC-A0).
(Is there a 74xx replica of NEO-ZMC2 on them ?)
MV-1FZ bootleg: http://mvs.gotwalls.com/index.php/MV-1FZ_%28bootleg%29
MV-1C bootleg: http://mvs.gotwalls.com/index.php/MV-1C_%28bootleg%29
"Gobit" version
- Vertical board is fixed
- Custom chips are marked "68C101", "68C202" and "68C303"
- Socketed Toshiba Z84 Z80 and Moto 68k CPUs
- Rebranded YM2610 (or clone ?) as ECW08-4
- 4 ROMs as in legit MVS boards: BIOS, SFIX ROM, M1 ROM, LO
- Backup RAM seems to be saved by a goldcap
"Goldstar" version
- DIP format 68k CPU
- Overclocked 10MHz 68k !
- Through-hole 5% resistors video DAC
- Custom chips are marked "NEN0.4","007","NEN08","NEN09"
- Socketed legit YM2610
- 4 ROMs also
- Backup RAM seems to be saved by a goldcap
