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ISO Vs CSO


L.S.D
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CSO is just an ISO compressed with WinZip like packing. The file difference is that is just smaller.

 

The performance difference is that it takes longer to load data from a CSO than an ISO. In a game like Street Fighter Alpha3 MAX where everything is loaded before a fight there isn't a difference. However, in something like Metal Slug Anthology or any of the GTAs, where data is loaded constantly on the fly, you'll notice a framerate drop while the processor decodes the data.

 

So yeh for most games, CSOs work fine. Just for a few where the performance is crap you might want to try just keeping the game as an ISO.

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Ok, maybe game like WWE Smackdown then ;)

But POP Rival Swords run fine and it always have background loading.

So does MHF2. I was thinking of keeping everything in CSO format but you make me think twice now.

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Ok, maybe game like WWE Smackdown then ;)

But POP Rival Swords run fine and it always have background loading.

So does MHF2. I was thinking of keeping everything in CSO format but you make me think twice now.

 

I keep everything in a CSO format. The only games I still use as an ISO are Metal Slug Anthology and Monster Hunter Freedom 1. So far the rest works fine in the compressed format.

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I keep all of my PSP games in CSO format. I use CisoPlus (a command line utility) to convert them. I have not experienced any speed issues with any game in CSO format, either.

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