I have both version 7 and version 4 ps2 and they both have duo2se chip in it, but none of them work. They can read original disc just fine, but back up disc, it just comes up with the red screen saying to insert playstation 2 format disc. If anyone has plenty of experiences with duo2se chip, please please please help me out. I just don't know if it's the chip that's defective, or the wiring. I'll post picture later for those to see if what I'm doing is right. Thanks.
this may not help, but you may need to know the boot modes once you get them working. I would say it could either be a bad chip or faulty install that is the reason for it not working. Either that or it does not like the media you are using The Duo 2 Chip has 3 boot modes: - PS2 mode - PSX mode - Disable mode It is assumed that your machine is in the Standby mode, ie machine is not switched on PS2 Games: Method 1: -Press EJECT button to switch on the machine. -Insert PS2 game in tray. -Tap RESET button once, the machine would reboot and then load your game. Method 2: - Press EJECT button to switch on the machine. - Insert PS2 game in tray, the press EJECT button to close tray. - The disc will then take 2-5 seconds to be recognized and then boot. To boot another game when already playing a game. - Press EJECT button. - The current game would then pause and the tray would come out. - Change to another PS2 game disc and tap RESET button once. - The machine would reboot and then load your game. PSX Games: - Press EJECT button to switch on the machine. - Insert PSX game in tray, then press and hold RESET button to switch off machine. - Now hold the RESET button to start up your machine. Only release the RESET button once the Blue LED light of the Eject button lights up. DVD Movies: - Press EJECT button to switch on the machine. - Insert DVD movie in tray, then press and hold RESET button to switch off machine. - Now hold the RESET button to start up your machine. Only release the RESET button until the "blue clouds" comes up on the TV. Disable Mode: - Hold the RESET button until the "blue clouds" comes up on the TV
Thanks steimy for your reply. Yep, i checked up on that and did at least 20 times trying to switch different mode and I came to find out that it doesn't read the bluish/purple disc (memorex). I also tried adjusting the laser angle using your website "exploitsomething" and it hasn't shown me any hope yet. Any further suggestions are welcomed. thanks.
I think i found a small solution to this problem, i just need someone to confirm carefully looking at the diagram at the "POWER - 30" and compare it with mine. Is that a possible problem? http://us.f2.yahoofs.com/bc/42d07be6_15e9f/bc/ps2Pic/duo2_v4_gap.jpg?BCLBYEDBl7UqfBZD mine... http://us.f2.yahoofs.com/bc/42d07be6_15e9f/bc/ps2Pic/pic1.jpg?BCLBYEDBwZjjamAP This might help some of you...Thanks in advance.
switched the wires, i guess it doesnt work. back to the drawing board. here's the rest of the pic... http://us.f2.yahoofs.com/bc/42d07be6_15e9f/bc/ps2Pic/pic2.jpg?BCYWYEDBWSGBcqWz http://us.f2.yahoofs.com/bc/42d07be6_15e9f/bc/ps2Pic/pic1.jpg?BCYWYEDBmT.7amAP this ps2 function as though there's no chip in it...weird?
Can the PS2 play DVD-R movies okay? Old PS2s made before v8 or v9 (can't remember which) aren't certified by Sony to read DVD-R.
Hm... well I tried viewing your pictures, but I just get a 404. Can you repost them on http://www.imageshack.us/ ?
The solder joint on the wire connecting to ground plane looks a little dry. Might want to desolder it and make a better connection (a good joint should have a "volcanic" shape and be smooth. Also, the wires patching the BIOS seem like they might be crosstalking, as your routing is rather messy. Maybe try straightening the wires so they don't cross over each other as much.
I agree, you want to cut the wires to the correct length so that the reach where they need to without having to be bent all up like those are. look at the difference of some of these installs and your they may not be the same chip, but you can see the big difference in how the wiring looks.
thanks for all the advice. I cleaned it up and re-did the whole thing, but no luck. I currently have 4 chips, and I already tried different chips to find if it's faulty and in fact it is possible. I just finished my version 7 mod today using 2 different chips to test and none of them work. It's a little bit hard taking a picture at the point P O N M but I guarantee that there's no bridge there cuz if there is, the ps2 would not boot. The point "I" i didn't show because I know I soldered it in the right place. Well check it out and hopefully you guys can point out my mistakes.
I assume you've used a continuity tester to check for bridging too? It seems quite unlikely that four separate modchips are all faulty.
i'm sorry. I don't quite understand what you mean by continuity tester? All I know is that I do get current going into the chip at every point I soldered. Most voltage on the points is exactly 3.74 volts except for the power which is approx. ~ 5.3 volts, and point "S" which is 1.75 volts. I know 1/5 chips works is very rare, and yet 2 out of 2 systems I did, which none of them works is also rare. Unless there are some hidden tricks that I don't know about. I just don't get it...
A continuity tester is a device that can tell you if two contacts are connected (say by an invisible or unnoticed lump of solder). Most multimeters have built-in continuity testers. Other than that, maybe you just bought several chips from a bad batch.
i measured the continuity test thing by measuring the soldering point (not on the chip) it seems right, but again, nuthing. By the way, while I was measuring the power and the ground to see the voltage, I accidently made contact. I heard a little spark, does that mean I shorted out my motherboard? Did I killed it? It turns on but this time nothing appears on the screen, the eject button lit up 1 quick blink instead of continous blinking like it should have been. What happened? Can I solve it? Please, I need some input. Thanks.
hey i think u mite have fried the board wen i did my first(which didnt work) i had a blue screen and 1 blink from the eject button. to solve the bootin problem i simply opened up my case and noticed that a wire was touchin the gold edgin goin around the board i simply mad sure that all wires werent touchion each other and nun were on the edgin and voila all goo works fine. hope this helps
thank you so much for all the great advices...I finally got it to work. It's a weird problem. It's not the chip, nor the board is fried, it's the laser. I just had to do some laser cleaning and adjustment to get it to read the back up disc. PS2 lasers usually having trouble reading the darker discs. Hope this is a relief for those who might have experienced the same thing.
