PS1 No BIOS found, expect errors

Home Forums RetroPie Project Everything else related to the RetroPie Project PS1 No BIOS found, expect errors

RetroPie has a new website and forum. Please visit https://retropie.org.uk/ for the new site. The new forum is located at https://retropie.org.uk/forum/. This forum is left here as a read-only archive.

This topic contains 21 replies, has 4 voices, and was last updated by Profile photo of Floob Floob 1 year, 6 months ago.

Viewing 22 posts - 1 through 22 (of 22 total)
  • Author
    Posts
  • #108478
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Hello,

    I’m trying to get a game on the PS1 working and I get the message “No BIOS found, expect errors” when I try to run it.

    I have added the BIOS files to /home/pi/RetroPie/BIOS like I do for the other emulators.

    The main one I have added is SCPH1001.BIN

    Any ideas why it isn’t seeing the BIOS file?

    Also tried this

    pi@raspberry ~ $ cd /opt/retropie/configs/psx
    pi@raspberry /opt/retropie/configs/psx $ nano retroarch.cfg
    Added the following line to the bottom of this file:

    system_directory= /home/pi/RetroPie/BIOS

    #108530
    Profile photo of dankcushions
    dankcushions
    Participant

    long shot, but are you sure it’s “RetroPie” ? on my system it’s lowercase. i imagine it’s all case sensitive as per the rest of the operating system.

    (ignore this, mine is RetroPie also!)

    • This reply was modified 1 year, 6 months ago by Profile photo of dankcushions dankcushions.
    #108534
    Profile photo of buzz
    buzz
    Keymaster

    I think it should be lowercase.

    Check the checksum also

    http://wiki.libretro.com/index.php?title=PCSX_ReARMed

    #108535
    Profile photo of buzz
    buzz
    Keymaster

    if it works lowercase then please do update the wiki page https://github.com/RetroPie/RetroPie-Setup/wiki/Playstation-1

    #108556
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    renamed to scph1001.bin and still get the same error

    #108567
    Profile photo of buzz
    buzz
    Keymaster

    Did you compare the checksum ?

    #108580
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Sorry I missed that part, I’ve just looked at the link but can’t see how I verify the checksum, how do I check it’s the right checksum?

    #108584
    Profile photo of buzz
    buzz
    Keymaster

    Google “how to checksum a file md5” or something – if on windows there are gui tools. on terminal on linux you can use “md5sum [file]”

    #108595
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Checksum is fine.

    Just defaults to the HLE BIOS.

    It’s as if Retroarch isn’t even looking the BIOS folder for these files. Is the path set somewhere as I can’t see it in the Retroarch.cfg?

    #108624
    Profile photo of Floob
    Floob
    Moderator

    Can you confirm you are using RetroPie 3.1 (or 3.2 or other) from the image provided on this site, as opposed to a source or binary install? Then I’ll do the same test and check it out.

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

    #108626
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    I’m using 3.1 from this site, thanks.

    #108646
    Profile photo of Floob
    Floob
    Moderator

    Ok, I wrote a clean 3.1 to the SD card, expanded the filesystem and copied

    SCPH1001.BIN to the folder /home/pi/RetroPie/BIOS

    The filesize of the file I used is 524,288 bytes and has an MD5 of
    924e392ed05558ffdb115408c263dccf

    that worked fine with the PSX games I tried, it worked fine upper or lower case.
    It couldnt find the bios file if I renamed it to a random filename.

    What is the MD5 of your BIOS? Does it match any here?
    https://github.com/RetroPie/RetroPie-Setup/wiki/Playstation-1

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

    #108660
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Hi, mine looks fine, see image, I’m on 3.1 too.

    Attachments:
    #108666
    Profile photo of Floob
    Floob
    Moderator

    If you can confirm the user Pi has permission to read the bios file I would think it may be a customisation you have made to a config file.
    On my test I made no changes to them at all and it works fine.
    Are you able to reset them or try on a separate SD card to test?

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

    #108688
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Hi Floob, I’m not sure how to check the permissions so will Google this and let you know.

    I’ve ordered a new SD card and will put the latest version on it.

    #108720
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Permissions look good on the file:

    \\RETROPIE\configs\psx\Retroarch.cfg

    Pi user has read/write access
    Pi group has read access

    Are you able to compare my retroarch file with yours?

    https://www.dropbox.com/s/gjvls7ql98195a1/retroarch.cfg?dl=0

    #108730
    Profile photo of Floob
    Floob
    Moderator

    I mean what are the permissions on the bios file.

    What do you get if you use PuTTY and logon to the Pi, run this command
    ls -lah /home/pi/RetroPie/BIOS/{BIOS filename}

    Your retroarch.cfg is wildly different to what you really need.
    Here are the originals, untouched which is what I’m using

    /opt/retropie/configs/all/retroarch.cfg
    http://pastebin.com/raw.php?i=15Nan1C1

    /opt/retropie/configs/psx/retroarch.cfg
    http://pastebin.com/raw.php?i=bUYH1A5b

    If you really want to edit your system specific retroarch.cfg with custom settings for RetroArch, check this video out

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

    #108732
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Thanks Floob, I will test this tonight. Thanks for your time on this, most appreciated.

    #108740
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    First part:

    pi@retropie ~ $ ls -lah /home/pi/RetroPie/BIOS/scph1001.bin
    -rw-r–r– 1 pi pi 512K Oct 28 13:53 /home/pi/RetroPie/BIOS/scph1001.bin

    #108758
    Profile photo of g0nz0uk
    g0nz0uk
    Participant

    Adding system_directory = /home/pi/RetroPie/BIOS to opt/retropie/configs/all/retroarch.cfg fixed it.

    If I edit /opt/retropie/configs/psx/retroarch.cfg it gets overwritting by the contents of /opt/retropie/configs/psx/retroarch.cfg – weird eh.

    I tested WipEout 3 and maybe it is the power of the Pi2 but, the sound stutters at times, plus the graphics are grainy, I wondered if there are any tweaks/Filters?

    Thanks

    #108786
    Profile photo of dankcushions
    dankcushions
    Participant

    there’s an option to increase the resolution – have a look in the retroarch menu under ‘core options’. i forget what it’s called. however, it’ll probably just exacerbate your sound stutters! PCSX has no texture filters, aside from all the usual retroarch entire screen shaders.

    #108837
    Profile photo of Floob
    Floob
    Moderator

    Does the performance on your WipeOut match the video here?
    Although first I would sort out those retroarch.cfg files – I dont know what you mean when you say that file overwrites itself. I’d be tempted to start with a clean install – or at least just use the defaults I provided above.

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

Viewing 22 posts - 1 through 22 (of 22 total)

Forums are currently read only - please visit the new RetroPie forums at https://retropie.org.uk/forums/

Skip to toolbar