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Thread: How To Downgrade psp firmware guide

  1. #31
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    Quote Originally Posted by Sprung View Post
    I finally found what I was looking for. You can rip PSP ISOs directly to your computer instead of ripping to the memory stick. It's pretty easy as well.

    1.) Download USB Special System Storage (FILE ATTACHED BELOW)
    2.) Extract to the destop.
    3.) Enable USB Connection on the PSP.
    4.) Back in your extracted USBSSS_100 folder on the desktop, open it and copy the folder "PSP" to the memory stick.
    5.) Exit from USB Connection, but keep your USB cable plugged in.
    6.) Then go to "GAME" -> "Memory Stick" -> and start "USB Special System Storage"
    7.) Now put in the UMD you want to rip into your PSP.
    8.) Select the first option; "Virtual FAT16 . UMD ISO-9000".
    9.) XP users will get a window that pops up showing the contents of the UMD drive. If not, then go to My Computer and open up the PSP drive.
    10.) Now you should see your game.
    11.) Now drag your game to the desktop on your computer.
    12.) Now your rip is being made, the rip will be finished when the percentage on the PSP has reached 0% again then press "X" to disconnect. - (DO NOT disconnect until the percentage has gone back down to 0 again or your rip will be incomplete. (It will stay on 100% for a while.) You can verify size by right clicking the ISO on your computer and selecting properties, and comparing that to the one show in in the PSP dive window.
    13.) Now just choose "Exit to XMB".

    Verified working

    You the frickin man,

  2. #32
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    Once you have ripped your ISO successfully, you'll want to compress the ISO so you can put more games on one memory stick. To do this you'll need CISO. (attached below in 2 parts)

    1.) Download CISO below. (get both parts)
    2.) Extract to your computer.
    3.) Run CISO UTILITY.
    4.) Click the ISO > CSO radio button.
    5.) Click the OPEN ISO button and locate the ISO you wish to compress.
    6.) Click the SAVE CSO button and name your CSO.
    7.) Make sure the dropdown box is set to 9. This is the highest compression.
    8.) Click START!
    9.) You're done.

    I used it on Miami Vice, which I just ripped myself. Results as follows:

    Original ISO: 330 MB (346,617,856 bytes)
    Compressed CSO: 225 MB (236,482,609 bytes)
    Attached Files Attached Files

  3. #33
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    Quote Originally Posted by Sprung View Post
    Once you have ripped your ISO successfully, you'll want to compress the ISO so you can put more games on one memory stick. To do this you'll need CISO. (attached below in 2 parts)

    1.) Download CISO below. (get both parts)
    2.) Extract to your computer.
    3.) Run CISO UTILITY.
    4.) Click the ISO > CSO radio button.
    5.) Click the OPEN ISO button and locate the ISO you wish to compress.
    6.) Click the SAVE CSO button and name your CSO.
    7.) Make sure the dropdown box is set to 9. This is the highest compression.
    8.) Click START!
    9.) You're done.

    I used it on Miami Vice, which I just ripped myself. Results as follows:

    Original ISO: 330 MB (346,617,856 bytes)
    Compressed CSO: 225 MB (236,482,609 bytes)

    Cool, ripping me and my katamari right now.

  4. #34
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    Quote Originally Posted by Dinosaurman View Post
    Cool, ripping me and my katamari right now.
    Ohh...I'd like to have that one *wink*wink*

  5. #35
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    Quote Originally Posted by Sprung View Post
    Ohh...I'd like to have that one *wink*wink*
    Ill up it to your ftp tomoz




    Also thanks to the cso converter i can squeeze some isos that wouldnt fit before onto my 128 mb

  6. #36
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    Quote Originally Posted by Dinosaurman View Post
    Ill up it to your ftp tomoz




    Also thanks to the cso converter i can squeeze some isos that wouldnt fit before onto my 128 mb
    Sounds good!

    No problem I'm glad to be of service.

  7. #37
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    Quote Originally Posted by Sprung View Post
    This is the best site I have found for downgrading. It's pretty complete and full of specific info:
    http://forums.qj.net/f-guides-hacks-...ide-90919.html
    It tells you how to downgrade every firmware revision and motherboard, and has links to all the programs needed.
    Hey sprung I don't know if you even remember this but thank you SO much for spoting this link I really didn't want to have to write a guide myself (don worry though I gave the fella credit for it

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