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How to Compress a.ISO to a.CSO (PSP Game): This instructable will teach you how to compress an.iso file to a.cso file. Using.cso files saves space on your PSP. This can only be done if you are running custom firmware. This is only for backups of a PSP game you OWN and not DOWNLOADED.
Hi all,
I recently purchased a used PSP Go that has already been modded. System info says that the cfw is 6.20 Pro-B9. I have a few questions after reading a bunch of threads here on reddit and links provided, because I am having no success figuring out how to either update the cfw if necessary, or simply just add some ISOs to my system storage (memory stick on order).
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1 Should I even update my cfw? 2 How do I add ISOs? Some of the tutorials, such as on Wololo and gbatemp say things like:
PSP games will be either .ISO or .CSO, just place all of those in the /ISO/ folder on your memory stick or Go's storage (do NOT put them in sub-folders, the PSP will not recognize that natively). Then they'll show up in the Games - Memory Stick menu.
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Well, no, actually they don't. For instance, I dloaded a MG Ac!d 2 ISO and extracted it. I have a folder now with a bunch of files that say
a-macid2.001
a-macid2.002
...
...
a-macid2.043
a-macid2.iso
a-macid2.nfo
a-macid2.sfv
What in the heck do I do with this? If I just put the ISO file in to an ISO folder in my storage, it get corrupted data. If I put the entire file folder in the ISO folder, nothing at all shows up.
I get that this is all supposed to be simple, but it feels like all of the tutorials are assuming that any one that wants to do this knows a little about what they are doing. I have no shame in admitting that I have NO IDEA what I'm doing.
I guess what I need to know what I do with a .rar file once I've extracted it? What folder should I put it in? Custom firmware goes into the root folder and ISOs go into a folder called ISO that I create, is what I think. But what parts of the extracted .rar do I need? All of it seems logical, but some tutorials make it sound like you only need the ISO file.
I also tried to follow the Wololo cfw for dummies tutorial to update my cfw, but was fully unable to accomplish it. Here's one of the steps:
To install the 6.60 Firmware, just unzip the archive on your PSP’s memory stick, in the “PSP” folder (you should end up with an “UPDATE” folder in the PSP folder, if you do things correctly), then run the update from your PSP menu.
Haha what? Like, am I supposed to download the firmware then move the zipped folder to my PSP, then run an extractor? I tried that, and I did not get an 'UPDATE' folder, but I do see a '661PROUPDATE'. However, when going to the system update in the XMB, it can find nothing in my storage media. Nor can I do anything on my computer desktop.
I guess, long story short, I am utterly lost. I feel like I'm trying to update a 10 year old device, using 10 year old instructions that are all out of date, incorrect or both. I've read a ton of threads with others having similar issues, even as recently as a month ago, and they seem to get them resolved, but following the links and suggestions there I've not made any headway.
Please halp!
Edit to add I'm using a Mac. I don't think it should matter and I could access a Windows machine if necessary.