Some PS3 Debug setting descriptions are detailed in HERE and also below from the wiki page: ps3devwiki.com/index.php?title=QA_Flagging
Setting - Value - Description
DTCP-IP - on-off - Digital Transmission Content Protection over Internet Protocol, a specification for copy protection of copyrighted content that is transferred over digital interfaces in home networks that adhere to IP. Allows you to turn it on or off for PS3.
ATRAC - on/off - Adaptive TRansform Acoustic Coding is a family of proprietary audio compression algorithms developed by Sony. Allows you to enable or disable ATRAC playback for your PS3 system.
WMA - on/off - Windows Media Audio is an audio data compression technology developed by Microsoft. Allows you to enable or disable WMA playback for your PS3 system.
NP Enviroment - enviroment - Allows you to change which environment your PS3 connects. Known enviroments are: C1-NP, D2-NP, D2-PMGT, D2-PQA, D2-SPINT, D3-NP, D3-PMGT, D3-PQA, D3-SPINT, D-NP, D-PMGT, D-PQA, D-SPINT, EI-NP, EI-PMGT, EI-PQA, EI-SPINT, HF, HF-NP, HF-PMGT, HF-PQA, HF-SPINT, H-NP, H-PMGT, H-PQA, H-SPINT, MGMT (Management), NP (Retail), PMGT, PQA, PROD-QA (Quality Assurance), Q2, Q2-NP, Q2-PMGT, Q2-PQA, Q2-SPINT, Q-NP, Q-PMGT, Q-PQA, Q-SPINT, RC, RC-NP, R-NP, R-PMGT, R-PQA, R-SPINT, SP-INT (Developer). There might be even more of different environments.
Fake Free Space (for CEX) - on/off - Use with Fake Limit Size to artificially set the free space on the PS3.
Fake Limit Size - X MB - Amount of free space left (in MB).
NP Debug - on/off
NPDRM Debug - on/off
Edy Debug - on/off - Edy is a payment service in Japan, allows you to enable or disable debugging for Edy Viewer.
Nav-only NP - on/off
Cdda Server - Production/Evaluation
Crash Report - on/off
Crash reporter Status - Ready/Busy/Never be called
VSH Crash Dump Generator - on/off
System Update Debug - on/off - Allows you to enable or disable system update debug, which lets you to downgrade with official Sony update manager.
Information Board QA Server - on/off
Format Marlin Personal Data - ?
PlaystationRStore Ad Clock - on/off
Geo Filtering for PlaystationRStore - Normal/Always Succeed/Always Fail
Remove Game License - ?
Home Debug - on/off
Delete Trophy Personal Data - ?
GameUpdate Impose Test - on/off
Network Emulation Setting - on/off
Auto-Off Debug - on/off
WLAN Device - on/off
NAT Traversal Information - on/off
Internet Browser Debug - on/off
SMSS Result Output - on/off
Adhoc SSID Prefix - PSP/?
Disc Auto-Start at System Startup - on/off - Allows you to start disc in-drive automatically when you start system on.
3D Video Output - Automatic/On - Allows you to set 3D Video Output automatic or always on.
Fake NP SNS Throttle - Off (60 sec)/ On (0,10,120,3600,closed)
Debug for HDD Exchange Utility
Fake Plus - on/off
Push Console Binding - on/off
Automatic Download - on/off - Set automatic download on or off. There's not info available what this does change. May be automatic system updates!
Motion Controller Calibration Result - on/off - Shows lastest results from motion controller calibration.
VideoEditor Delete Preset BGM - ?
Edy viewer - Payment service in Japan (manuals.playstation.net/document/en/ps3/current/settings/edyviewer.html)
Install Package Files - Will install the first (only the first) package it finds on the root of the USB stick, it will work only with properly signed packages.
Not all is lost above, but you will need to connect with a stock ps3 to the PSN , and download your DLC again, and then transfer to your modded ps3, it's a lot of messing about but seeing how many you have lost its worth it.
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Debug Settings 
Originally Posted by GotNoUsername 
