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Forums - Sony - All PS3s are backward compatible with PS2 software.

the2real4mafol said:
It's a shame you have to hack your machine to do this, it's like a choice between PS2 games and PSN, it's hard to say which to choose when you already have a PS2 anyway.


You can still go on PSN with a hacked console, things have moved a long way since only 3.55 firmware being available.



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ethomaz said:

walsufnir said:

It's old info that you can now use this emulator on PS3's which didn't have this emulator? Interesting. And the compatibility search isn't really useful: It only shows the name of the game and not the state of the emulation.

The question is why Sony is not making the emulator public.

No. It's old info that every PS3 has PS2 emulation... Sony just disabled it with firmware update and/or new models but the emulation always existed.

There is nothing new in this thread.


Straight up - completely wrong.



Sony wants to make money with the hd collections they are good values for people never had a ps2 can play the games in 720 p hd
and enjoy them



REQUIESCAT IN PACE

I Hate REMASTERS

I Hate PLAYSTATION PLUS

fillet said:

Straight up - completely wrong.

Why? This emulation is old... Sony even have a list with the games supported.

If you want then you can blame Sony to remove this feature after 2007 with news models... the first EU PS3 had this feature and some 80GB US too.



ethomaz said:

fillet said:

Straight up - completely wrong.

Why? This emulation is old... Sony even have a list with the games supported.

If you want then you can blame Sony to remove this feature after 2007 with news models... the first EU PS3 had this feature and some 80GB US too.


He is right. All we knew about is that partial emulation was possible for EU models but those still had the Graphics Synthesizer inside. Now we know full emulation is possible.  



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ethomaz said:

fillet said:

Straight up - completely wrong.

Why? This emulation is old... Sony even have a list with the games supported.

If you want then you can blame Sony to remove this feature after 2007 with news models... the first EU PS3 had this feature and some 80GB US too.

I'll explain...

EU 60GB PS3 consoles had PS2 hardware inside (The GPU from the PS2) it emulated the CPU in software.

US 80GB PS3 consoles had PS2 hardware inside, both the GPU and the CPU were in there, there was no software emulation.

EU/US PS3s since then (which haven't been available for over 5 years at reail) have no PS2 hardware inside.

The PS2 Classics use a totally software based emulation of the PS2, it has been widely assumed since then that the reason for not making the PS2 completely open and allowing PS2 retail disks to boot is because the emulator is limited and would be too costly for Sony to tweak each emulator configuration on a game by game basis (as is the case the Xbox emulator on the Xbox 360, which also has no Xbox hardware inside).

However, it turns out that in fact, 90% of PS2 retail games run perfectly fine with this entirely software based emulator with no need for any tweaking of settings for the emulator.

Earlier on in the thread I guess that around 70% of PS2 retail disks ran properly with no problems, since then a few days has passed and lots of people have contributed to a compatibility list that a quick scan through shows about 90% of games run perfectly, with full speed, full sound, no glitches and no problems at all.

About 5% don't run at all and about 5% run with graphical glitches/freezes but are still playable for the most part.

Sony did not "disable" the backward compatibilty as you describe it, but removed completely the PS2 hardware inside that was being used in the 60GB EU/80GB US models.

As some people here have mentioned, they believed this PS2 software emulator wasn't unlocked so more money could be made from releasing HD classics, the recent developements in the software emultor being opened up by hackers proves this theory to be true. Only NOW has this been proved, until now, this could only be speculation. There were arguments to support the idea that it was simply down to the emulator not being optimized enough, as the availability of PS2 Classics on PSN was a rather bizarre mix of mostly unheard of very old games that nobody wanted to play.

This is not to criticize Sony for that decision, as a lot of money must have been invested in developing the software emulator to allow nearly all PS2 games to be emulated on a console that has only 256MB of system RAM and a GPU based on 6 year old technology of a 7800GT by nvidia.

A 7800GT/256MB RAM/3.2Ghz long pipelined CPU on a PC wouldn't stand a chance at running anything except 2D games at anywhere near full speed on PCSX2 which has been in developement for years.


Hope that clears things up :)



think-man said:
kain_kusanagi said:
think-man said:
Isnt this illegal?


How could it possibly be illegal modify your property to play your property.

What's criminal is that Sony is sitting on fully functioning PS2 backwards compatability and forcing people to re-purchase thier PS2 Classic games they already own on disc from the PSN store.

Don't even no why im replying to this but....

It requires CFW to run which if you use will void your warrenty plus you will have to illgally download or copy ps2 games to play them on your ps3....Makes sense aye?

It's also not criminal that sony doesn't use this software, people dont have to rebuy anything!?!?! you just keep your ps2 its that simple. When you buy your ps3 you no full well that it isn't going to play ps2 games, and if I were sony I wouldnt use the software that would only support 70-90% of ps2 games.


its perfectly legal. as is making back up of discs, as is using custom firmware. nothingillegal at all going on here unless you download games you dont own.



No guys... the EU 20/60GB and US 80GB have no hardware... only software emulation... Sony only disabled that in later models but the software emulation is on firmware yet... only disable for PS2 disc use.

The PS2 classics run in this software emulation... always did... it is old.

Even in the hack community the guys enable the software emulation for PS2 before Firmware 3.55... this already happened in hacker community since 2011 (or before after the first hack happened).

This is really old news.



That's great. My PC still struggles with GoW 2, this might be a solution...



ethomaz said:
No guys... the EU 20/60GB and US 80GB have no hardware... only software emulation... Sony only disabled that in later models but the software emulation is on firmware yet... only disable for PS2 disc use.

Absolute rubbish, it's as common knowledge as the grass is gree that 60GB EU models has the CPU missing and the 80GB US model has the full PS2 hardware inside, just have a look on wikipedia if you don't believe me it clearly states this, even the BC list is different for 60GB and 80GB models because the CPU being emulated reducses compatibility.


The PS2 classics run in this software emulation... always did... it is old.

Yes they do, but not PS2 retail games. PS2 classics have only been around since the software emulator was created which was NOT 5 years ago!


Even in the hack community the guys enable the software emulation for PS2 before Firmware 3.55... this already happened in hacker community since 2011 (or before after the first hack happened).

Absolute rubbish, the PS2 software emulator hasn't been opened at all. You might be thinking of the hardware based compatibility which was opened by the Cobra dongle 2 years ago, but that only worked on backward compatible consoles.


This is really old news.


No it isn't, it's 5 day old news that isn't posted anywhere on any news sties.

Consider yourself schooled....again!

:p