Playstation 4 Detection #142

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opened 2026-01-29 16:10:26 +00:00 by claunia · 1 comment

claunia commented 2026-01-29 16:10:26 +00:00

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Originally created by @number782 on GitHub (Sep 28, 2019).

Originally assigned to: @mnadareski on GitHub.

Every Playstation 4 (retail) disc contains the following:

1. Drive Label = PS4VOLUME
2. directory bd which contains param.sfo
3. directory license which contains rif
4. directory app which contains "XXXXXXXX" which is actually the disc serial aka CUSA00112 - this will contain app.pkg
5. directory PS4 which contains dir UPDATE which contains PS4UPDATE.PUP

i have not come across a disc that deviates from this layout

Originally created by @number782 on GitHub (Sep 28, 2019). Originally assigned to: @mnadareski on GitHub. Every Playstation 4 (retail) disc contains the following: 1. Drive Label = PS4VOLUME 2. directory bd which contains param.sfo 3. directory license which contains rif 4. directory app which contains "XXXXXXXX" which is actually the disc serial aka CUSA00112 - this will contain app.pkg 5. directory PS4 which contains dir UPDATE which contains PS4UPDATE.PUP _**i have not come across a disc that deviates from this layout**_

claunia added the enhancement label 2026-01-29 16:10:26 +00:00

claunia closed this issue 2026-01-29 16:10:26 +00:00

claunia commented 2026-01-29 16:10:27 +00:00

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@Whovian9369 commented on GitHub (Sep 28, 2019):

To use a PS4 disc that I dumped (which I have not gotten into Redump yet, I don't believe...) as an example:

$ file TWDS01.iso 
TWDS01.iso: ISO 9660 CD-ROM filesystem data 'PS4VOLUME'

Detecting the PS4VOLUME media label might be an alright way to detect these discs?

Just a specific file list from the disc, in this case:

app/CUSA01019/app.pkg
bd/param.sfo
license/rif
PS4/UPDATE/PS4UPDATE.PUP

@Whovian9369 commented on GitHub (Sep 28, 2019): To use a PS4 disc that I dumped (which I have not gotten into Redump yet, I don't believe...) as an example: ``` $ file TWDS01.iso TWDS01.iso: ISO 9660 CD-ROM filesystem data 'PS4VOLUME' ``` Detecting the `PS4VOLUME` media label might be an alright way to detect these discs? Just a specific file list from the disc, in this case: ``` app/CUSA01019/app.pkg bd/param.sfo license/rif PS4/UPDATE/PS4UPDATE.PUP ```

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Reference: SabreTools/MPF#142