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Can someone explain CHD files to me?

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ragnar:
I might get the CHD files for Dragon's Lair.  But my understanding is that Mame does not run it.  It's hard to find any definitive information about CHDs on the internet.

Reading more, it seems alot like Mame does not like CHD files at all and that Daphne is preferred for Dragon's Lair.

So, does Mame work with CHD files?  Partially?  I just have no clue really.  I would love to have Dragon's Lair working on my cab but i don't know what to do.  Are there any specific CHDs that are worth getting that do work with Mame?

If I do get CHD files, it is my understanding that you would put the zipped rom file (area51.zip) in your Roms folder.  You would then create a folder called Area51 in your Roms folder.  And inside of the Area51 folder you would put the unzipped Area51.chd file.  Do I have this part correct?

Thanks!

fibreoptix:
Im a noob at this stuff but CHD's are basically disc drives that heavy graphic games (Like Dragons Lair) used to store the video clips. I can't remember what the C stands for but the HD is Hard Drive.

Edit: Sorry Just read your post fully. From my understanding yes Mame does support CHDs and yes that's how you would use them.

Thenasty:
CHD = Compressed Hunks of Data

It could be FROM CD/Laser Disc like the Dragon's Lair or Hard Drives like Area51.

Putting the CHD unzipped in its ROMNAME folder will work.
Have the small ZIP in the rest of the ZIP ROMS
Like you said above, it should work.

ragnar:
Thanks for the responses.  Very fast!

Can someone recommend CHDs to get?  Right now I am going after Killer Instinct 1 and 2.

Area 51 would be cool if I had a light gun .... hrmmm ... light gun ... hrmmm.  Nahhhh, next cab.

If you have a trackball, Simpsons bowling looks fun.  Not my scenario either.

Does Dragons Lair work with Mame?  I read that it does not.

vorghagen:
It's not always graphics that are in CHD files, just anything that's too big to fit in the standard board memory. All the rhythm games like DDR and Beatmania have CHD files to hold all the music.
As for which CHDs to get, just go through the games you want to play on your cab - if it has a CHD, get it.

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