MV-1B Bios games compatibility

[doctor_shred]

Hi,

I know the MV-1B was supplied with the Irritating Maze kits. How does it perform with other MVS carts?

Are there compatibility issues?

Thanks.

 

[doctor_shred]

After a bit of reading I've answered my own question.

I was under the impression that all MV-1Bs had the irritating maze bios - but it seems that many have a standard MVS bios and are compatible with other MVS games.

I'll just have to make sure I get the right version...

 

[alphagamer]

Get one with a Unibios and you are all set!

 

[kernow]

After a bit of reading I've answered my own question.

I was under the impression that all MV-1Bs had the irritating maze bios - but it seems that many have a standard MVS bios and are compatible with other MVS games.

I'll just have to make sure I get the right version...

Yup , MV-1B's with normal BIOS's exist.

Personally I wouldn't even bother modding a unibios into it.

 

[Xian Xi]

IIRC if you had the IR version 1B it wouldn't play anything else.

You don't need a Unibios but if you plan to do one the 1B is the far easier one than the 1C. It's a pin for pin pinout. 1 to 1, 2 to 2, 3 to 3 etc.

 

[Grinwing]

You don't need a Unibios but if you plan to do one the 1B is the far easier one than the 1C. It's a pin for pin pinout. 1 to 1, 2 to 2, 3 to 3 etc.

Good to know! Is there a pinout of the 1C to unibios out there?

 

[Xian Xi]

On my site has a more visual one:

http://www.jamma-nation-x.com/jammax/cmvs.html#unibios

 

[werejag]

pinout for joystick port is absent

 

[xiao_haozi]

pinout for joystick port is absent

Yeah it was on there.... but it's not in the source anymore. Did you wipe it by accident James?

 

[Xian Xi]

Hmmm. Maybe I did.

I'll add it in.

 

[doctor_shred]

Unibios would be nice - I was looking at a MV-1B because of the small size but the lack of a socketed Bios chip is putting my off.

The seller of the board that caught my attention has just assured me that his 1B does play all MVS carts with it's original bios. I might wait for a MV-1FZ/A anyway.

Thanks for the input.

 

[xiao_haozi]

Unibios would be nice - I was looking at a MV-1B because of the small size but the lack of a socketed Bios chip is putting my off.

Can also put in a socket and then add the unibios. That way you can swap to newer ones or even put the stock back in need be...

Big Bear is selling a 1B with the socket mod done already if you didn't want to tackle that on your own.