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The Official GT4 Thread
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afrocent
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29. March 2005 @ 13:40 _ Link to this message    Send private message to this user   
can a flattened dvd9 game be played on hdadvance if it works on hdloader?
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Italia56
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29. March 2005 @ 18:46 _ Link to this message    Send private message to this user   
I have a dms4 lite w/ toxic 1.2. I flattened the image and then pc loaded it to hdloader and notta same black screen after the disclaimer.

Referb PS2 V4 30001 w/ dms4
PStwo not modded

This message has been edited since posting. Last time this message was edited on 29. March 2005 @ 20:23

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29. March 2005 @ 19:19 _ Link to this message    Send private message to this user   
What would be a good movie to rip out of GT4.I thought this would be a good question to ask everyone.I was thinking of just ripping maybe a couple movies just to downsize it a little bit.If you rip the game both of the .VOL files have to be combined together.Then you have to find the location of the .pss files along with the audio and delete them and replace with a .pss dummy file 0KB.The sound files that are with the .pss files you rip would also have to be deleted and relinked with a dummy file 0KB.I still think the dvd checks are a factor like samuels said though.




...........................:SiG cReAtEd By Phantom69:............................
Italia56
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29. March 2005 @ 19:52 _ Link to this message    Send private message to this user   
Also team toxic just came out w/ toxic 1.3 for us dms4 users, say's it will play dvd dl games. Would love to test but no stores here carry blank dvd dl media. Maybe best buy but like 30 min away not worth the drive cuz i allready bought gt4. Some1 test and get back to me tx.

Referb PS2 V4 30001 w/ dms4
PStwo not modded

This message has been edited since posting. Last time this message was edited on 29. March 2005 @ 20:26

samuels
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29. March 2005 @ 20:24 _ Link to this message    Send private message to this user   
What would be a good movie to rip out of GT4.I thought this would be a good question to ask everyone.I was thinking of just ripping maybe a couple movies just to downsize it a little bit.If you rip the game both of the .VOL files have to be combined together.Then you have to find the location of the .pss files along with the audio and delete them and replace with a .pss dummy file 0KB.The sound files that are with the .pss files you rip would also have to be deleted and relinked with a dummy file 0KB.I still think the dvd checks are a factor like samuels said though.[Quote]

i think if you ripped any two that you think,to test out should be OK...iv'e still been thinking of a way to remove the epson folder,but *L* no go....how would one of sonix's extractor rebuilder and re-linker go do you think,i can't get it to work on my comp.i'm not experienced enough to use hex editor,etc,so for the moment i'm stuck,am i wrong in saying wasn't there a DVD check tool out,to show where the checks were?
RemyK313
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29. March 2005 @ 21:16 _ Link to this message    Send private message to this user   
What movie to rip? The intro movie. If that's DVD quality, it's gotta be at least a good 200MB.

Which other ones? The coffee break movies. And if you're still strapped for space, maybe a few of the lower-license intro movies.

Or whatever, no one watches those intro movies for the licenses. It's the demos that matter for that.
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29. March 2005 @ 22:33 _ Link to this message    Send private message to this user   
Alright cool,just wanted to know what everyone thought about the movies.I think the intro movie might be a cause for the black screen,but not sure at the momment.I am trying a method out which is joining the .VOL files together then using a program called cubemediaplayer to mess with the movie files(all movie files are .pss).The game has to be downsized for Dvd5 for sure though,so definately some movies are going to have to go.As for the dvd checks the best program that I know of to get rid of them is probably a hex editor,winhex probably.Sonix tool is pretty cool the one for God of War,but I think this method would work also for it.When I looked at God of War in cubemediaplayer,guess what they duplicated some movies.So when people went to extract from the .PAK files Sonix got rid of the duplicated movies in the .PAK files.I think there was a couple of them,one was for the bonus feature in the treasure option of the game.A couple of the in-game movies where duplicated,and that is why when everyone extracted from the .PAK files the size ended up smaller than the size of both of the .PAK files.Then everyone just deleted the bonus movies,which are the BONUS.pss files inside of the Extracted folder of the two .PAK files.Sonix figured this out,but me and Troy1 are taking a guess with this method I am using.Hopefully it will work,but if it doesn't it lies absolutely in the dvd checks which would have to be tooken out with a hex editor of course.Samuels you are definately not wrong with a program to look for the Dvd checks.One actually exists that works till this day.It is just really hard finding the dvd checks of the games.They hide them pretty good,and yeah it takes an extremely long time finding the right checks.

The tools I am using at the momment are:

DvdDecrypter:I used this to make the ISO file nothing special. http://www.dvddecrypter.com

Apache 2:A very good program to extract all the files from a game meaning both Layers.You can find it at http://www.alucard.cc

Simple File Joiner:Pretty good program that will join both of the .VOL files. http://www.peretek.com/files/sfjsetup.exe

CubeMedia2(also known as cubemediaplayer):The tool is very good at finding the movies in games,and gives you the option to delete relink movies .pss files.
http://www.cubemediaplayer.com/downloadc.asp?file=cubemedia2.zip

WinHex:This is a pretty good tool to look for Dvd checks,but am waiting right now to see if the above tools work first before going any further into this.
http://www.winhex.com/winhex.zip

That is pretty much what tools I am working with at the momment.Hopefully I don't have to mess with WinHex,because that one is a pain in the arse.I think Sonix could probably make a tool that could relink the epson folder,but I haven't really messed with alot of his tools.I think most of the time he normally makes a game extractor/rebuilder type of tool.The God of War game didn't contain dvd checks though,it would still play even without the other .PAK file located on the second layer,which means GT4 has a dvd check probably.I know this is a different game,but they both are alike in a way,except for GT4 not playing at the start of the game.That makes it alot different than God of War,but the .PAK files and the .VOL files located on both of these games are pretty similiar I would say.It couldn't hurt to try this method out.




...........................:SiG cReAtEd By Phantom69:............................
FlyPaper
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30. March 2005 @ 10:24 _ Link to this message    Send private message to this user   
gt4 works flawlessly on my hdd with toxic os 0.3
samuels
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30. March 2005 @ 10:45 _ Link to this message    Send private message to this user   
gt4 works flawlessly on my hdd with toxic os 0.3 [Quote]

glad to hear :)
afrocent
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30. March 2005 @ 14:38 _ Link to this message    Send private message to this user   
is toxicos available on disc or as .elf?
FlyPaper
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30. March 2005 @ 14:50 _ Link to this message    Send private message to this user   
you can get it for a disk or as an elf.
also tried gt4 on a DL with toxic bios 1.3 and it ran with no probs.
sharky22
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30. March 2005 @ 16:56 _ Link to this message    Send private message to this user   
I think i Know whats going on with this GT4 disc.
I have done some experiments.

I found out that the whole game is actually on the second layer. This is how it is, I used Apache2 to extract the Layer 0 and Layer 1. Then i extracted the .vol files using GTFS (Gran Turismo File System) Gran Turismo Version 3 GT3.VOL Archive extractor. I put layer 0 in one folder named Layer 0 and put Layer 1 on another folder called Layer1, then i went to properties on both of the folders and found out that both of them was the same size, had the same amount of files and folder 2.58GB, 2,722 files 72 folders. Now it could mean that the files are split up into two, meaning when the ps2 loads up one file it loads half of it on the first layer and the other half on the second layer or it could mean that the second layer is just a dvd check, so what i done is i opened winhex and opened the first .vol file thats GT4.VOL and examined the first part the middle part and the last part of it, then i opened the other .vol file which is on the second layer of the dvd GT4L1.VOL and examined exactly as i examined the first .vol file and it seems that both of the files has exactly the same hex codes there is no difference in the hex codes, but the second .vol file GT4L1.VOL has everything the same as the first one except it had extra codes at the bottom, i think this means that the whole game is actually on the second layer and it just uses the first layer to check the game if it is an original or a copy for the copy protection. Then what i done is right clicked on both of the .vol files and found out the GT4.VOL is actually smaller than GT4L1.VOL, GT4.VOL is 2.29GB and GT4L1.VOL is 2.41GB. Now this could mean two things, 1. If you want to burn it on a Dual Layered Disc and have everything the same as the original then you would have to merge the hex codes into one. or 2. If you have to burn it on a DVD5 then all you do is get rid of all the DVD Checks on the files and it should work without downsampling anything. I believe that the first .vol file is there for the dvd check and the second one has got all the data for the actual game. I hope this helps anyone who is trying to backup this game. I think now I know and hopefully everyone should know that there are dvd checks on the disc and someone who is good at removing dvd checks should get a patch out soon. If I was a programmer I would be the first one to do this, but i'm not so anyone who knows how to remove the dvd checks from this game please help. Thank You
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30. March 2005 @ 20:25 _ Link to this message    Send private message to this user   
You have to downsample or either delete something in the game for it to work with Swap Magic.The reason why the Swap Magic TOC is smaller than GT4.GT4 does have Dvd checks which I agree with you,and the .VOL files have to be linked together to have the full game.The first GT4 .VOL I am sure of has part of the game,and the other .VOL file has the rest of the game.The extractor you are using is not encrypted for GT4 it has a old encryption.Since it has a old encryption it doesn't support GT4 with it's new encryption.




...........................:SiG cReAtEd By Phantom69:............................
mbc0
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30. March 2005 @ 22:21 _ Link to this message    Send private message to this user   
This may be a dumb question to most, but have been out of the ps2 scene for some years now thanks to the xbox & have only been dragged back because of GT4!!

Will I need a dms4 chip to play my backup of this game? I have the original US Version that I bought from eBay & have just ordered a Network Kit & am going to install a hard drive, I think my PS2 has a messiah chip installed (been some time now! just been blowing dust off of PS2!!) its just that my PS2 can read Dual Layer Disks no problem (Infiniti DVD+R DL)

Many Thanks
RemyK313
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30. March 2005 @ 22:35 _ Link to this message    Send private message to this user   
More on the subject : I'm pretty sure I heard someone on some forum (I can't remember if it was here, or on alucard's GT4 thread) say that the old GT3 extractor decrypted a false table...... or something to that effect.
sharky22
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31. March 2005 @ 04:00 _ Link to this message    Send private message to this user   
if the 2 .vol files are the same then there should be some way of removing thos dvd checks. what i done is i moved the GT4L1.VOL file to the first layer and removed the GT4.VOL that was on the first layer, after that i used iso buster to open the original iso file then using sony cd/dvd rom generator 1.20 i put the files back in order and i also renamed GT4L1.VOL to GT4.VOL, i made an iso image with the cd/dvd rom generator 1.20 and burned that image on a dvd5 disc. The actual size of the DVD was 2.61GB, anyway i tried it on the ps2 and what happened was it loaded it showed the Playstation2 logo then it went to another screen which some details about the game the licenced cars and stuff, after that it went black, now i think this is when it searches for the second layer, but it if secod layer is the same as the first layer then you dont need the second layer to play the game, i think that the second layer is just there for copy protection, and if you got rid of the dvd checks than the game would load up.
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31. March 2005 @ 06:11 _ Link to this message    Send private message to this user   
if it is written in ptp then the data should really be in the same physical place on both layers right? and suposedly the second layer has the exact same data as the first layer (i think). so somebody just needs to make the ps2 read data from the first layer as usual, but then when it comes to reading the part on the second layer the ps2 will just read the first layer but somehow believe that it is the seciond layer it is reading and continue to load as usual.
and as all the files needed to play are on both layer 1 and 2, if somebody could patch the game to do this then the game wouldnt even need to be dual layer and we could have the full game on a DVD-5.


my only other idea is that maybe although the files appear the same on both layers that maybe they are just the same in name and filesize but some are currupt files, with the working file being on the other layer. when the ps2 comes to a purposely corrupted file it just switches over to the other layer and reads the correct version. this is only a guess but if that were the case then all that would be needed to do is find all the proper files and put them all on the same layer, then remove the checks that tell it to look on the other layer and it should load everything up off the first layer.


one last thing, does anybody know for sure if the problem is just a fix needs to be made by one of the groups, or that the disc HAS to be written in ptp for a DL backup to be played?
sharky22
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31. March 2005 @ 06:38 _ Link to this message    Send private message to this user   
what pro noob has said is probably right, because i checked both of the files in both layers GT4.VOL and GT4L1.VOL with winhex and i couldnt see any difference in the code, but the second layer GT4L1.VOL file is larger than GT4.VOL, so i think that all the files are in the second layer and it only needs the first layer to check for the copy protection. So yeah if someone could put all the hex codes thats the good ones in one file then it should work.
RemyK313
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31. March 2005 @ 07:19 _ Link to this message    Send private message to this user   
I have a question about regarding the newest Toxic OS release. Is it possible to burn the newest Toxic OS to a CD, use Swap Magic to load it, and then use Toxic OS to load a DVD+R DL backup of GT4?

What I'm trying to ask, is that now with the newest Toxic OS, is it possible for Swap Magic users (such as myself) to be able to play a straight 1:1 copy of GT4 burned onto a DVD+R?

I'd like to know if it's a possibility, and I don't even know if you can load Toxic OS from a CD (I really don't know anything about the OS)

But if it's finally possible to somehow get a DVD+R DL backup to work on an unmodded, swap-magic using PS2, I'd like to try it out.

Either that, or we'll have to wait for that ISO patcher. But a burning question remains : What about the swap magic users? Even if DL backups are made playable, how will they load them using Swap Magic? The TOC of the SM DVD is simply too small for anything bigger than DVD5 size.
blade22
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31. March 2005 @ 08:00 _ Link to this message    Send private message to this user   
Nice idea but NO. Toxic has to be flashed to a DMS4 pro. It cannot be used as a program. The elf can only be used for flashing the Dms4.


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31. March 2005 @ 08:39 _ Link to this message    Send private message to this user   
RemyK313, if you refresh the toc with an original DVD-9 game then DL games should work with swap magic as long as you have a working backup to begin with. im not 100% sure though as i havent tried it and dont know of any other ps2 games that are DVD-9 other than gt4.

also im pretty screwed for toc refreshes with my slim ps2 because of the way i have modded it to use swap magic i would have to open the ps2 up and remove the tape i placed over the sensor otherwise the ps2 thinks the lid hasnt been opened so basically i cant refresh the toc...... btw what is the swapmagic toc size any1 know?
samuels
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31. March 2005 @ 08:40 _ Link to this message    Send private message to this user   
if it is written in ptp then the data should really be in the same physical place on both layers right? and suposedly the second layer has the exact same data as the first layer (i think). so somebody just needs to make the ps2 read data from the first layer as usual, but then when it comes to reading the part on the second layer the ps2 will just read the first layer but somehow believe that it is the seciond layer it is reading and continue to load as usual.
and as all the files needed to play are on both layer 1 and 2, if somebody could patch the game to do this then the game wouldnt even need to be dual layer and we could have the full game on a DVD-5.


my only other idea is that maybe although the files appear the same on both layers that maybe they are just the same in name and filesize but some are currupt files, with the working file being on the other layer. when the ps2 comes to a purposely corrupted file it just switches over to the other layer and reads the correct version. this is only a guess but if that were the case then all that would be needed to do is find all the proper files and put them all on the same layer, then remove the checks that tell it to look on the other layer and it should load everything up off the first layer.


one last thing, does anybody know for sure if the problem is just a fix needs to be made by one of the groups, or that the disc HAS to be written in ptp for a DL backup to be played?[Quote]

this is what a couple of us have been saying all along,but finding the checks is something else at the moment.now *apparently" toxic will have a patch for the non DMS 4 users in the next few days....whether they do is another thing :)
justjer
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31. March 2005 @ 13:39 _ Link to this message    Send private message to this user   
swapmagic toc size 4.55
sharky22
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31. March 2005 @ 13:41 _ Link to this message    Send private message to this user   
right now i think everyone should know that this is actually a dvd5 game but put on a dual layered disc becasue what sony done is that made a copy of the GT4.VOL file and put in on the second layer. Now what happens is whenever you load up the disc on your ps2 it reads the first layer then to check if it is the original disc it checks the second layer and thats where everything goes wrong if it is baked up on a dual layered disc, because dvd writers would only write otp. Now to fix this problem we need someone to get rid of the dvd checks so that when you load up the game it would not check if the other file is there on the second layer. This game can be backed up on a normal 4.7GB DVDR without having to remove anything or downsampling, right now we should be looking at how to remove those dvd checks.

I want to know if this Toxic group are gonna get a patch out for the DMS3 modchip or if they are gonna just get a patch to put in the actual disc for the checks.
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Gamer66
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31. March 2005 @ 14:03 _ Link to this message    Send private message to this user   
Hi im tryin to work somthin out, iv got all the movies out of the GT4L1.vol and made them small so now the game is 4.3GIG but how do i put them bck into the GT4L1.vol file. If there is a link that some one hase can thay please post or can u please send me a packer thanx.
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