Removed

Removed functionality

Things that Sony removed in the lifetime of the console

Preretail era

• Early development tools had 256bit local memory and 16 ROPs for GPU, later RSX had only 128bit local memory and 8 ROPs.
• E3-2005:
  • Tri GbLAN, first retail only had one GbLAN port.
  • Dual HDMI. first retail only had one HDMI port.
  • RSX as 550MHz with GDDR 700MHZ but retail release got RSX downclocked to 500 MHz and its GDDR downclocked to 650MHz.
  • 4 front USB ports and 2 back USB ports, this was cut back to 4 and later to 2 USB ports (CECHG and later only have 2 ports)  hackable 
  • Showed the boomerang controller, later to become the sixaxis which dropped vibration feedback.
• PS3 presented not as gameconsole but a multi computer (later revoked by removing OtherOS).
• Folding At Home -> Life With PlayStation.
• Sony announcing legal actions against parallel import.

Retail era

• libMPEG exploit patched
• MPEG4 Exploit patched
• OtherOS RSX access patched since 2.10
• Resistance: Fall of Man exploit
• DEX HDD swap trick patched
• Blu Ray Java homebrew
• SACD (removed CECHG and later)
• DSD-to-DTS
• (open)Remoteplay
• PS2 hardware compatibility (CECHC/E with software and CECHG and later without any PS2 compatibility) ( hackable  softwaremode only)
• OtherOS (slim and superslim models with any version - as well as any ps3 model with FW > 3.15) ( hackable  AsbestOS + OtherOS++)
• Memorycardreader (CECHG and later do not have a memorycardreader)  hackable 
• Downgrading (2.x added CoreOS hashes in Syscon, thus preventing downgrades)  hackable 
• Servicemode JIG/PS Downgrade/PSgrade/psfServiceMod (3.55 blocked it , revoked and changed since 3.60)
• PSjailbreak/PSgroove/PSfreedom/PL3 (3.42 and higher)
• metldr exploit (patched in newer hardware revisions with metldr.2 and hardcoded minver checks)

Crossreference: http://www.psdevwiki.com/ps3/Removed | http://www.psdevwiki.com/ps4/Removed | http://www.psdevwiki.com/vita/index.php?title=Removed