138 in 1 mod for multi-slot

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wiseman9986

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i got the 138 in 1 to work on my 4-slot and i can use the select button heres what i did to fix the select button issue it was a very easy fix i dont understand why they dont have it connected already hope this helps anyone else who has one

DSC01289.jpg
 
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cabear

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that's cool that you figured that out!

do you think this would work on an AES system too?
 
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wiseman9986

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no bc the 138 in 1 has a jamma harness that has to be plugged in that is what is in the pic the other all in one carts might im not sure i just got this one yesterday
 
Murray

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Since that thing's JAMMA, does it make the sound output mono? How is your cabinet (or supergun) wired?
 
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wiseman9986

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i dont know if its jamma wired or not i think its just designed for single slots but the sound must run through the harness bc my sound is wired up to another spot on the board where the sound for the memory card reader comes out and it works fine but i got a memory card reader that ill be installing soon and ill find out then when i rewire the sound

i also had to take my unibios out before that i kept getting errors but mine was kinda old ver. 2.3 i believe
 
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wiseman9986

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i may be wrong i have read somewhere that it works well with unibios and i did have the free play dip switch in the on position and i dont anymore and i dont want to but the unibios back in ill order the new 3.0 sometime and tell everyone how it works
 
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sloth911

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I have installed the 138-in-1 into my two slot MVS cabinet. I have managed to add/delete games, turn on free play, and play about 30+ games with little problems.

I am intersted in installing the unibios so I can use the cheat code feature of the unibios with the 138-in-1 games.

Has anybody actually tried this? will it work?
 
alphagamer

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sloth911 said:
I have installed the 138-in-1 into my two slot MVS cabinet. I have managed to add/delete games, turn on free play, and play about 30+ games with little problems.

I am intersted in installing the unibios so I can use the cheat code feature of the unibios with the 138-in-1 games.

Has anybody actually tried this? will it work?
Click to expand...

Don't know about the 138in1 but it works on the 100in1.
 
Syn

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sloth911 said:
I have installed the 138-in-1 into my two slot MVS cabinet. I have managed to add/delete games, turn on free play, and play about 30+ games with little problems.

I am intersted in installing the unibios so I can use the cheat code feature of the unibios with the 138-in-1 games.

Has anybody actually tried this? will it work?
Click to expand...

They say on the jammaboards site to use a regular bios.

I can let you know after my supergun is made if no one else answers. That could take a few weeks as someone is making it for me.

Any graphic or sound issues that you've noticed?

If you have other MVS games the unibios is awesome:buttrock:
 
Neo Alec

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The new cart doesn't work at all without this jamma adapter plugged in, huh? For my consolized system does that mean I can just shove it on the end of the board and not connect to anything, or do I have to run it through jamma to make this work?

Just curious about the technology. I have no plan to buy one of these at this point, although someday when they reach more or less the limit of how many games are included, I may buy one just to try playing around with some of the crappy hacked roms.
 
Syn

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Neo Alec said:
The new cart doesn't work at all without this jamma adapter plugged in, huh? For my consolized system does that mean I can just shove it on the end of the board and not connect to anything, or do I have to run it through jamma to make this work?

Just curious about the technology. I have no plan to buy one of these at this point, although someday when they reach more or less the limit of how many games are included, I may buy one just to try playing around with some of the crappy hacked roms.
Click to expand...

It didn't work on my cmvs so I'm having a supergun made.

If you want to mod your cmvs more it would work. You need to grab the video off of the carts jamma edge.

Plus it says you have to use a regular bios. I will be testing that claim soon.
 
Neo Alec

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synbiosfan said:
It didn't work on my cmvs so I'm having a supergun made.

If you want to mod your cmvs more it would work. You need to grab the video off of the carts jamma edge.

Plus it says you have to use a regular bios. I will be testing that claim soon.
Click to expand...
Screw that. I'm not modding for some shitty bootleg cart. Maybe if they still make a cart that doesn't need the jamma adapter, I'll try it.
 
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sloth911

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The 138-in-1 is the only cart that has the special Jamma connector. The others with less games don't.
 
Neo Alec

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sloth911 said:
The 138-in-1 is the only cart that has the special Jamma connector. The others with less games don't.
Click to expand...
Right. I bet they'll continue that trend though, since they introduced the technology.
 
Syn

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Neo Alec said:
Right. I bet they'll continue that trend though, since they introduced the technology.
Click to expand...

Agreed! It'll be interesting to see what this can lead to.

Kind of like metallizer said, I just happy that companies still see the MVS as a market opportunity:buttrock:
 
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blackbag

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Can anyone explain why there is an additional jamma board on the 138 in 1 cart where all previous X in 1 carts did not need them? Is this a requirement for some additional games due to copy protection?
 
ack

ack

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Neo Alec said:
Right. I bet they'll continue that trend though, since they introduced the technology.
Click to expand...

synbiosfan said:
Agreed! It'll be interesting to see what this can lead to.

Kind of like metallizer said, I just happy that companies still see the MVS as a market opportunity:buttrock:
Click to expand...

Its actually old technology that they tried back in the 8in1 days.

http://www.neo-geo.com/forums/showpost.php?p=2174441&postcount=11
http://mvs.gotwalls.com/index.php/Super_8_in_1_Multigame_Series_6

-ack
 
K

klargon

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Sorry to be a pain in the ass (I've already posted this in the 150-in-1 thread). I've just got a 138-in-1. Does this mod need to be done to access the service menu on a 1-slot? The thread title seems to suggest it's just a multi-slot problem. I'm having trouble figuring out how to get the difficulty options up. I've set the 1 switch to on and powered it up, then pressed start, select and the bios call, and I still don't get any change to what's displayed in the top-right panel. Can someone explain to me how I get the menu up?
 
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wiseman9986

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no this is just a mod so you can use the game select button a single slot shouldnt even have that button but isnt the 150 in one just a cart or does it have the jamma harness on it too?
 
Xian Xi

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klargon said:
Sorry to be a pain in the ass (I've already posted this in the 150-in-1 thread). I've just got a 138-in-1. Does this mod need to be done to access the service menu on a 1-slot? The thread title seems to suggest it's just a multi-slot problem. I'm having trouble figuring out how to get the difficulty options up. I've set the 1 switch to on and powered it up, then pressed start, select and the bios call, and I still don't get any change to what's displayed in the top-right panel. Can someone explain to me how I get the menu up?
Click to expand...

You need to wire up a test switch to go into the soft dip settings. The dips on the board with 1 flipped on takes you to the hardware test.

If you have a unibios press B+C+D on the unibios splash screen.
 
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klargon

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I use a supergun which has 2 buttons - one for credit and the other usually calls the bios screen (not a uni bios) - is this button the same as the test switch? I've tried all 4 combinations of switches on the interim menu board, and have tried all 3 buttons I have available (start/select/bios) and still don't get the dfiferent menu on the 138-in-1.
 
Xian Xi

Xian Xi

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You need to remember that a 2 slot is not jamma, the test switch is in a different location.
 
K

klargon

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Ignore me. There's a button on the daughterboard that I didn't know existed.
 
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K

klargon

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Sorry, me again! Is there any way to bring up the normal NG bios after selecting a game on the 138-in-1? My usual button doesn't work, and flicking jumper 1 on the 1-slot (as suggested to me by somebody else) also does nothing. It's a pain not being able to set the play time for football games.
 
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