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i.LINK port was mostly used for creating multiplayer network involving multiple PS2 units. | i.LINK port was mostly used for creating multiplayer network involving multiple PS2 units. | ||
===Expansion Bay (SCPH-3000x to SCPH- | ===Expansion Bay (SCPH-3000x to SCPH-5500x)=== | ||
Expansion Bay was last time available in SCPH- | Expansion Bay was last time available in SCPH-5500x, so in last "FAT" model. | ||
Removing the Expansion Bay disallowed games like Final Fantasy XI (11), or | Removing the Expansion Bay disallowed games like Final Fantasy XI (11), or Linux to run on slim units. | ||
===ATA port (SCPH-700xx and earlier)=== | ===ATA port (SCPH-700xx and earlier)=== | ||
ATA port was in theory removed with removing Expansion Bay. | |||
===IOP (aka MIPS R3000A/PS1 CPU) (SCPH-700xx and earlier) === | But in SCPH-700xx (first slim model) Sony leaved hardware, and ATA pins required to connect HDD on motherboard. | ||
Used by PS2 as the IOP or as the CPU used to run PS1 games (is the same CPU that PS1 had). | |||
So ATA port was really removed in SCPH-750xx and later. | |||
===IOP (aka MIPS R3000A/PS1 CPU) (SCPH-700xx and earlier)=== | |||
Used by PS2 as the IOP or as the CPU used to run PS1 games (is the same CPU that PS1 had). | |||
Since SCPH-750xx units, IOP was replaced by PowerPC CPU that emulates IOP. | Since SCPH-750xx units, IOP was replaced by PowerPC CPU that emulates IOP. | ||
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This resulted in some minor, or major compatibility issues for PS1/PS2 game titles. | This resulted in some minor, or major compatibility issues for PS1/PS2 game titles. | ||
===System | ===System update ability (SCPH-900xx with BIOS v2.20 and earlier)=== | ||
In BIOS v2.30 and v2.50 | In BIOS v2.30 and v2.50 Sony removed support for system update software via memory card to block FMCB exploit. | ||
The system update exploit used this ability to inject own code into console RAM, and allow to run custom code that way. | The system update exploit used this ability to inject own code into console RAM, and allow to run custom code that way. | ||
BIOS v2.30 can be found in majority of SCPH-900xx units, | |||
while BIOS v2.50 can only found in Europe-only KDL-22PX300 Bravia units. | |||
===SPC970-based MechaCon (SCPH-390xx and earlier)=== | ===SPC970-based MechaCon (SCPH-390xx and earlier)=== | ||
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This feature was removed in BIOS v2.50 found in Europe-only KDL-22PX300 Bravia units. | This feature was removed in BIOS v2.50 found in Europe-only KDL-22PX300 Bravia units. | ||
===ProtoKernel BIOS (SCPH-10000/15000) === | ===ProtoKernel BIOS (SCPH-10000/15000)=== | ||
This | This feature was scrapped with the welcome screen (OOBE) found in SCPH-18000 and later. | ||
===Static RSOD until pressing RESET button (SCPH-18000 and earlier)=== | ===Static RSOD until pressing RESET button or insert disc (SCPH-18000 and earlier)=== | ||
Press RESET button to get rid of the | Press RESET button or insert disc to get rid of the RSOD, this odd behavior was scrapped in SCPH-3000x and later. | ||
===PCMCIA port (SCPH-18000 and earlier)=== | ===PCMCIA port (SCPH-18000 and earlier)=== | ||
This feature was removed in SCPH-3000x and later. | This feature was removed in SCPH-3000x and later. | ||
===Buggy DVD Player | ===Buggy DVD Player v1.00J (SCPH-10000 with BIOS v1.00)=== | ||
This | This feature was removed in SCPH-10000/15000 with BIOS v1.01 and later. | ||