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Open PS2 Loader (OPL) 10.02.19

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Open PS2 Loader (OPL) is a 100% Open source game and application loader for  the PS2 and PS3 units. It now supports *.ISO images on HDD, Ethernet SMB  shares, and USB while also maintaining compatibility with USB Advance/Extreme  format. It's now the most compatible homebrew loader and it should work  without ps2load or change DNASXXX.IMG tricks. 

How to use

OPL uses the same directory tree structure across HDD, SMB, and  USB modes ... 

  • --- "CD"  (for games on CD media - i.e. blue-bottom discs) 
  • --- "DVD  (for DVD5 images; DVD9 images on USB must be split) 
  • --- "VMC" (for 8MB Virtual Memory Card images) 
  • --- "CFG" (for saving per-game configuation files) 
  • --- "ART" (for box and disc art images)
  • --- "THM" (for themes support) 


Game files on USB must be perfectly defragmented either file by file or  by whole drive, and Dual Layer DVD9 images must be split to avoid the 4GB limitations of the FAT32 file system. We recommend Power Defragmenter  for best defragging results, and our own comman line tool iso2usbld to convert or split games into USB Advance/Extreme format ...

Other utilities are: USBUtil 2.0, USB Extreme installer or USB Insane.


For loading games by SMB protocol you need to share a folder (ex: PS2SMB) on the host machine or NAS device and make sure that it has full read and  write permissions. USB Advance/Extreme format is optional - *.ISO images  are supported using the folder structure above with the added bonus that  DVD9 images don't have to be split if your SMB device uses the NTFS or  EXT3/4 file system. 


For PS2, 48-bit LBA internal HDDs up to 1TB are supported. They have to be  formatted with either WINHIIP or uLaunch. From there, use uLaunch to make a  partition (rec. minumum of 2GB) named "OPL". If OPL detects this partition  at start up, it'll automatically create the above directory structure. Use it to migrate ART, THEMES, CFGs, VMCs, etc. off your MC or USB stick to the internal HDD and free up space on those devices. 

To launch OPL, you can use any of the existing methods for loading an  executable elf.

On PS3, you need an original SwapMagic 3.6+ or 3.8 disc (at the moment there aren't any other options). The steps for loading OPL on a PS3 are:

    1. Rename OPNPS2LD.ELF to SMBOOT0.ELF
    2. Make a folder in root of USB device called SWAPMAGIC and copy  SMBOOT0.ELF to it.
    3. Launch SwapMagic in PS3 and press UP+L1 then Open PS2 Loader should  start.
There are 4 forms for launching elfs in SwapMagic.


Que novedades incluye la versión 10.02.19


  • Fixed streaming callback potentially executed with a NULL-pointer, due to the pointer getting changed between function calls.
  • CDVDMAN: consolidated CDVDFSV_BUF_SECTORS and CDVDMAN_FS_SECTORS, for clarity. - CDVDMAN_FS_SECTORS is now set to 8 and CDVDFSV will read up to - CDVDMAN_FS_SECTORS sectors per chunk. When the buffer is not aligned, then it will use 1 sector for alignment correction. This is higher than previously because I don't know why we only used 7/8 sectors...
  • Added patch for Harvest Moon: A Wonderful Life
  • padhook: changed Hook_scePad2CreateSocket() to always check and install IGR if SockParam is null (which is optional). This replaces the incomplete patch from 541d270.
  • padhook: do not create padhook thread & interrupt handler in duplicate. Thread will now be installed either at the IOP reboot or when the padhook is triggered, whichever comes first. This will allow the power button to always be used for IGR, even if libpad cannot be located due to the game being protected in some way (i.e. Tekken 5).
  • ISOFS: Fixed iso: being stuck in an opened state, if the file cannot be opened for mounting.