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| Acmlm's Board - I3 Archive - General Gaming - SNES modding (lockout and 50/60 hz switch) |
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Boom.dk                   Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| Ok, I need some help with this. My SNES is the PAL version
I raised pin 4 of the lockout chip. Now I want to connect the pin to a switch that switches between key and lock mode. Just a switch that switches between +5V and ground (0V)? And where can I find sources for those on the SNES board? Then I raised pin 24 on PPU1 and pin 30 on PPU2. I need to know what to do with these. I believe they work kinda like the lockout chip. Supplied with +5V it runs PAL mode and if connected to 0V, NTSC. Not sure tho. I have not soldered anything yet, just raised the pins. Edit: Nevermind you guys, I think I figured it out. (edited by Boom.dk on 02-22-06 12:02 PM) (edited by Boom.dk on 02-22-06 12:03 PM) |
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Clockworkz Birdon  Since: 11-18-05 Last post: 6322 days Last view: 6322 days |
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| Out of sheer curiosity, what are you trying to accomplish via this mod? I've always been interested in modding my SNES, but I lack the know-how. | |||
dcahrakos   490 Since: 11-17-05 Last post: 6539 days Last view: 6539 days |
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| sounds like hes trying to make the PAL snes work like an NTSC snes, better frame rate and what not i believe...not sure how it works though..
the only thing thats keeping me from opening my snes to take a peek are those damn nintendo screws they use all the time, dont have anything to open em with, and ive looked when i was out before at a hardware store, and I didnt find anything, although really, if I didnt care about the case I could just rip it open. |
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Boom.dk Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| Yeah, it took me several hours just to open it. Ugh. What I'm trying to accomplish is to make my SNES run USA and JAP games without an adapter and be able to switch between 50 Hz and 60 Hz mode. Everything is quite simple, but the pins of the chips are very small which means high danger for damaging the system.
I also made the console case so that I can put USA games into it. Took a bit of sawing and cutting, but it doesn't look that bad. I'll post screenshots when I'm done. |
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Clockwork JB Flurry  Since: 02-12-06 From: Melbourne, Australia Last post: 6333 days Last view: 6333 days |
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| One question: Is your pal snes European or Australasian? | |||
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Boom.dk Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| European. Are they different?
Anyways... I seem to have a problem finishing it. I need some components... and our local store is closed 'till April... 
Update: It actually runs just fine at the moment. The picture starts in 50 Hz mode, goes blank after 3 seconds, then 6 seconds later, it reappears in 60 Hz mode. 2 of my games detects the wrong frequency which means they won't run... I really need to make that switch. 
Ah, what the heck. Here's some shots: The first and the second are pictures of the hole fixed so that you can put american games into it. The third was after just raising pin 4 of the lockout chip. (edited by Boom.dk on 02-23-06 04:00 AM) (edited by Boom.dk on 02-23-06 04:00 AM) (edited by Boom.dk on 02-23-06 04:25 AM) (edited by Boom.dk on 02-23-06 07:19 AM) (edited by Boom.dk on 02-23-06 07:20 AM) (edited by Boom.dk on 02-23-06 07:38 AM) (edited by Boom.dk on 02-23-06 07:44 AM) |
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Clockwork JB Flurry Since: 02-12-06 From: Melbourne, Australia Last post: 6333 days Last view: 6333 days |
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| Looks just like my Australian one, apart from the casing you've cut out so that American games will fit. Except my power cables keep getting fried. I've had to get three new ones since I got it way back in '94 | |||
HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6323 days Last view: 6323 days |
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WHAT THE HELL. You used Chrono Trigger as a test cartridge? Did you even think what might happen if something went wrong? For God's sake, Super Mario World carts are a buck each at any secondhand shop. 
Seriously, though, nice work. FYI, you should definitely add a switch for the lockout chip as well, to re-enable it (just connect the pin you raised to whatever it was connected to). Some games (I believe Super Mario RPG is one) won't run without it. |
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Boom.dk Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| Yes, well, I tried with another one first, but I'm pretty sure the cartridge won't be damaged. My plan is adding the lockout switch, and a switch to change between 60 and 50 hz mode. Currently, with pin 24 raised on PPU1 and pin 30 raised on PPU2 it runs 60 hz instead of the european standart 50 hz. And since I haven't made the switch yet, I can't play my PAL DKC1, DKC3 and SMAS+SMW. Well, DKC3 and SMAS look for it before the processors actually find out that they aren't getting +5V, so they run. But if I then press reset, they start bitchin'. (edited by Boom.dk on 02-24-06 06:04 AM) |
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MathOnNapkins 1100  In SPC700 HELL Since: 11-18-05 Last post: 6322 days Last view: 6322 days |
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| Wow... that's some determination right there. Maybe you could offer to do this for people for a fee or something. | |||
Ailure Mr. Shine I just want peace...  Since: 11-17-05 From: Sweden Last post: 6322 days Last view: 6322 days |
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I love close to Denmark too, I want this to be done to my SNES. 
Well, or at least to a spare SNES.  I want be able to play American games, but I really hate the American design. :'( |
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MathOnNapkins 1100 In SPC700 HELL Since: 11-18-05 Last post: 6322 days Last view: 6322 days |
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Originally posted by Catfish You foreigners can't appreciate the beauty of our rectilinear SNES architechture.  I'll get Boxxy Brown to beat yo' ass.
Though I have to admit that on occasion I have been known to like the Japanese design too. (Which is the same look as the Euro/Aussie model I think.) Point being I have no desire to play PAL games. Aren't there only a handful of PAL only titles out there anyways? |
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Boom.dk Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| I didn't know there was any at all.
As for the modding for money thing... I don't think it will happen. I'll finish my own and we'll see. |
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Clockwork JB Flurry Since: 02-12-06 From: Melbourne, Australia Last post: 6333 days Last view: 6333 days |
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| I really should by a new SNES on ebay or something. Anyone know the general asking price for a PAL SNES? | |||
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Boom.dk Since: 11-18-05 From: Denmark Last post: 6340 days Last view: 6322 days |
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| It's not that expensive. Around €20 I think... | |||
PrincessPeach Buzzy Beetle  Since: 11-18-05 From: RĂ¼ti ZH Last post: 6329 days Last view: 6329 days |
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Originally posted by HyperMackerel Try to get a US-NTSC Super Mario World Game in Europe, most sellers on eBay don't like to sell abroad. Stupid. |
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