TurboR PCB prototype with V9990?

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Por Ivan

Ascended (9305)

Imagen del Ivan

02-07-2006, 11:59

Take a look: link

I see one cartridge slot.

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Por Haohmaru

Paladin (774)

Imagen del Haohmaru

02-07-2006, 12:08

O_o That might be one of those v9990 evaluation boards, how cool is that?

(Also pointless if you have a GFX9000, but I think collectors will go into drool-mode over this one Wink)

Por karloch

Prophet (2157)

Imagen del karloch

02-07-2006, 12:20

Woah, is that the famous PCB of the MSX3 prototype? According to seller description, there is not R800 on the board, just V9990, Z80 CPU and I/O.

Por Ivan

Ascended (9305)

Imagen del Ivan

02-07-2006, 12:21

It's the GFX9000 prototype from Sunrise Tongue Tongue Tongue

Por flyguille

Prophet (3028)

Imagen del flyguille

02-07-2006, 20:42

WOWWWW!!

Por PingPong

Prophet (3898)

Imagen del PingPong

02-07-2006, 21:45

In the photo i cannot see any v99x8 on board, how they assure msx2 compatibility at HW level?

Por karloch

Prophet (2157)

Imagen del karloch

02-07-2006, 22:57

In the photo i cannot see any v99x8 on board, how they assure msx2 compatibility at HW level?Rumours said that Panasonic never achieved that, it was not economically viable. With that failed attempt, Panasonic left the standard and officially MSX became comercially dead.

Por flyguille

Prophet (3028)

Imagen del flyguille

03-07-2006, 01:44

No!, this PCB hasn't a spare socket for z80!...note that the socket is 14x2DIL so, it is for ROM.

surely it must be controlled by mean of that bus. OR

what chip is that other surface chip near of the brown connector? a msx engine maybe????

Por flyguille

Prophet (3028)

Imagen del flyguille

03-07-2006, 01:50

the other surface chips hasn't enought pins as for be a msx engine, maybe it is a logical jungle.

Por flyguille

Prophet (3028)

Imagen del flyguille

03-07-2006, 02:29

well, the other surface chip has 44pins, not enought for z80 or msx engine what hell is that chip!!

Por flyguille

Prophet (3028)

Imagen del flyguille

03-07-2006, 03:45

I needs pictures with more resolution!!!!

but with that i can see, the bus connector, has the pin 10 grounded, and it is BUSDIR!!!! .... shit seems that it is not a MSX bus connector.

but anyway i needs picture with more resolution to do a correct analisys

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