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Posted

I would like to configure LaunchBox so that PSX games are opened using ePSXe. The latest version supports CHD files, and that’s the format my games are in. Unfortunately, LaunchBox skips ePSXe and uses a core instead. I don’t want to use a core because I get audio crackling and can’t fix it, while everything works perfectly in ePSXe. My settings are shown in the screenshot. What should I change?

2026-02-07 10_33_53-LaunchBox.png

Posted (edited)

Hi, Probably RetroArch is set as the default emulator for the platform where your Playstation games are, so just got to the Associated Platforms Tab on the left under the Details tab and check the box under Default Emulator for that specific platform.
(There is a chance that LaunchBox will ask you for a confirmation about changing your default emulator for that platform just click yes.)

Edited by Tsik
  • Like 1
Posted
2 hours ago, Mandarynek said:

I would like to configure LaunchBox so that PSX games are opened using ePSXe.

In the Associated Platforms section [of your screenshot], on the line that has your Sony Playstation platform, check the box Default Emulator. Click Ok to save and close.  It should ask you if you want to make this you default emulator for Sony Playstation. Yes.

 

Edit:  guess I type slower than Tsik does. ;) 

  • Haha 1
Posted
22 hours ago, JoeViking245 said:

In the Associated Platforms section [of your screenshot], on the line that has your Sony Playstation platform, check the box Default Emulator. Click Ok to save and close.  It should ask you if you want to make this you default emulator for Sony Playstation. Yes.

 

Edit:  guess I type slower than Tsik does. ;) 

Thanks but when I press play game don't load.

Posted
2 hours ago, Mandarynek said:

Thanks but when I press play game don't load.

If you read the documentation in the emulators "docs" folder, you'll see they don't even have a -loadbin command line parameter [anymore?].

But they do show a -loadiso.  

Posted
23 minutes ago, JoeViking245 said:

If you read the documentation in the emulators "docs" folder, you'll see they don't even have a -loadbin command line parameter [anymore?].

But they do show a -loadiso.  

But i want load chd not iso. Also i need select cd-rom plugin in ePSXe cofing. I still can't fix this. 

Posted
1 minute ago, Mandarynek said:

But i want load chd not iso. Also i need select cd-rom plugin in ePSXe cofing. I still can't fix this. 

Sorry. I don't know anything about the plugins.  But I do know is that using -loadiso will load a .chd file.

Posted (edited)

Hey Mandarynek have you solved your issue with ePSXe till now? 
I gave it a try and it is pretty straight forward using it with CHDs.
If you still need help, I'll be happy to...

Cheers! 🙂

Edited by Tsik
Posted (edited)

Okay, I just thought that even if you've already solved the problem, it's more likely that someone else will stumble upon this thread in the future, so I'd better post the basic configuration of ePSXe
and how to use the emulator from version 2.0.18 onwards via LaunhBox, now that it supports CHD among other features.

(The instructions below are tested on a Windows 10 x64 system, although the emulator is still in x32 bit.)

We start in "standalone mode" emulator and then apply it to LaunhBox.

1st. Download the latest ePSXe emulator and get the Playstation BIOS files (legally!!).
Unzip the contents of ePSXe_XXX.zip to a folder of your choice (preferably in ..\LaunchBox\Emulators\ePSXe).
Place the BIOS files in the BIOS folder inside ..\ePSXe\bios and double-click on ePSXe.exe.
From the main menu, go to File>Run ISO and select the directory where you have your games, whether in .iso or .chd format, it doesn't matter, because
the emulator in this state excludes the file types .BIN, .CUE, .ISO, .CHD, .IMG, .CCD, .MDS, .PBP and .ECM.
That's it, now your game should start in a window. If you want full screen, select it from the Configuration>Video>Full Screen Mode menu and make sure you have selected the correct desktop resolution
of your monitor.

LaunchBox Integration:
At this point I'm assuming you've already imported your game files into LaunchBox and probably on a platform named something like "Sony Playstation".
Now go to Tools>Emulator Manager and click on the Add... button.
In the Emulator Name field type "ePSXe" and LauncBox will autofill the rest for you.
Now, here is where some might get confused, until this version of LauncBox(13.25) and the ePSXe2018 some command line arguments (as @JoeViking245 said earlier) have changed, so in the Default Command Line Parameters field you should type -nogui -slowboot -loadiso even if the games are in .CHD format. (NO need for "%romfile%" as at the first screenshot at all)
Then go to the Connected Platforms tab type in the platform for your games, e.g. "Sony Playstation" and check the Default Emulator checkbox next to it.
Click OK and...

That's it,
End and have a good game...

P.S.
I haven't messed with anything other than the above settings and arguments, so I don't know anything more so far.
If you need more information about plugins, settings or anything else, visit https://www.epsxe.com/help.php or read the epsxe.chm file that comes with the ePSXe download.

P.S._2
Even in the epsxe.chm file (ePSXe2018 version), some of the command line arguments are outdated (it reads ePSXe 1.2.0), so keep that in mind.

Edited by Tsik
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