PAL NES Region Free mod without tampering with CIC Chip’s leg, now with confirmed compatibility with US NTSC NES.

While most guides on how to mod your NES for region freedom instruct you to lift or break one of the legs of the CIC chip, this has never sat well with me. I’ve always wanted to have the option to remove any and all modifications from my console in order to return to its original state, if possible.

The modification I’m showing here is from the late 80’s. One of our local electronics store owner used to modify both NES and MegaDrive consoles for the people who knew about the possibility for a decent price. The mod doesn’t take long to do, as it’s really just soldering two wires on the PCB.

I’ve successfully replicated this mod on other consoles, and thus far both US and Famicom cartridges have been working without a hitch. Well, as well as you can expect NTSC game to function on a regionless PAL machine. You also need an adapter for Famicom cartridges, but that goes with any region mod with the classic model.

This bit requires a bit more explanation, if we want to get down to it. This mod only circumvents the CIC chip. It does not change the frequency the console runs on. A PAL machine runs on 50hz vertical frequency, unless it’s PAL60, while NTSC runs at 60hz. This difference either way significant, as the formats also affect how the screen is displayed. PAL has aspect ratio of 720×576, whereas NTSC has a boxy 720×480. This means NTSC game running on PAL console will stretch itself by 96 units and run about 17% slower. Properly optimised games run just on the same “speed” as their NTSC counterparts, but more often than not developers simply added boarders to the games and be done with it.

This of course works backwards as well. NTSC consoles will screw with the aspect ratio as the game is squeezed into smaller frame, frames and all, and the game gains wrong refresh rate, making it slightly faster than intended. An interesting case study of PAL optimisation can be found in Super Mario Bros., where to Mario’s movement speed was increased to compensate the framerate. Later on, the whole game was made to run faster than its NTSC counterpart, which can be heard from the music. As such, it’s possible to clear PAL Super Mario Bros. faster than its American or Japanese version. Playing this version on a NTSC console would be even faster.

Because of these issues, there will be glitches on the screen when playing an out-of-region. Not game breaking by any means, but absolute purists will always call PAL format awful, despite it having its own benefits in having more lines, which equates to better picture quality and resolution, but this is rarely if ever taken advantage of in-game localisations. It’s just cheaper and faster to do a quick and dirty job, those Europeans won’t know any better.

It is not entirely impossible to have a multi-speed NES, but that would require extensive modding to the point of it being stupidly convoluted with NTSC parts being bolted unto it and having switches to change between modes. You’d be better off just getting an AV Famicom and rocking that. Truly region free machine does not necessarily offer faultless compatibility, as discussed above. It would be silly to assume that changing hardware level standards from thirty years ago, would be an easy task or even worth achieving total compatibility, when you can and should play the games on their intended machines and screen set. Not to say there is no value in this, on the contrary. This mod is the easiest and fastest way to modify your console which also allows complete removal if one wishes to do so, and gives you an access to a new variety of games on a real platform for a cheap price.

This region mod has stood the test of time, plus it requires less disassembly than the CIC left lift. All you need is to remove the top, the shielding and the loading mechanism for proper workspace. Due to this mod, the blinking light/screen won’t occur any more. Instead, you will just have a white screen, which then can be fixed with any of the normal means.

Is this mod safe? My main NES unit was modded on the day it was purchased, which means the mod has not done anything negative to hamper the function of the console in the odd 25+ years. It’s alive and keeps bringing me entertainment after all these years. I love you, my good old friend.

 I’m not sure if this mod would work on an American NES, but if any of you give this a try, please do notify me. (Update 26.11.2016; It does not, unfortunately. See comment section. Maybe it’s a revision difference or something else, perhaps worth some research? Update 22.12.2016; As seen in the latest comment, it would seem like this does indeed work on NTSC console as well. A wild guess from my part would be that this board revision is shared between regions. I’ll need to take better shots of the board and the info on it for further update down the line.) If needed, I can also modify your machine with the same board revision, but that would mean you’d have to send it over. You also need to make sure the board revision you have there is the same I got pictured here. Otherwise you may screw up your machine, but this does seem to be one of the more common board revisions out there. Of course, toploader is completely different and doesn’t even need to be modded.

Do note that all the versions I have at hand were imported by Bergsala with NES-CPU-10 on the board with the date of 1987. CIC chip says 3195A on it. Due to how mucked the European NES market was (there’s a whole post about it) yours might not work, but little detective work with this should yield the right soldiering points as this is a very simple mod.

The NES PCB is sitting in its casing.
The NES PCB is sitting in its casing
Closer look at the wires and their solder points
Closer look at the wires and their solder points
Even closer look. I would recommend putting some tape to keep the wires down
Even closer look. I would recommend putting some tape to keep the wires down. Also, I should clean my consoles at some points
The same PAL NES running TMNT III; The Manhattan Project
The same PAL NES running TMNT III; The Manhattan Project, a game that was never released in Europe for whatever reason.. You can (barely) see some of the wires going under the loading mechanism, but with proper alignment and using shorter wires you can avoid this completely

28 thoughts on “PAL NES Region Free mod without tampering with CIC Chip’s leg, now with confirmed compatibility with US NTSC NES.

  1. Many thanks for the information provided in this page. Just soldered my PAL Nes using photos as a reference, and it indeed works like a charm!

      1. I believe I was able to use this mod on PAL CPU-5 and CPU-11 boards. Definitely the latter.

  2. I tried it with a NTSC console and it does not appear to circumvent the chip. I have done it successfully on 4 other PAL consoles though. Thanks to your guide!

      1. Hi, it didn’t work on NTSC NES-CPU-10. I’m pretty certain all NTSC CPU-10 are like this, as I tried another one a week or so ago. Had to do the usual de-soldering of the 10NES chip pin, but after that it was sweet.

  3. Hi, I tried this method on my NTSC console and it works. When I opened it, I saw that the plate is exactly equal to the image with the difference that has a label that says NTSC.

    1. That’s great. It would seem that NTSC and PAL share at least one same board revision then. Thanks for the info, got to update the post now.

  4. Will this work for every PAL revision? I have a PAL-EEC label on the board, NES-CPU-07 and a CIC chip (top to bottom) 3195A (c)1986 Nintendo 8749 A.

    1. The versions I have are all Fennoscandic versions imported by Bergsala with NES-CPU-10 on the board with the date of 1987. CIC revision 3195A. If you have, for example, a Spanish version, you’ll just need to give it a go and see if it works and report back.

      1. I have the German version (European Version on the door) and it works at least so you can turn on the console without a game cartridge. I will report back when I have a few PAL A or NTSC games to try out 🙂

  5. Hoo boy, it seems I have a modded PAL console! My cousins gave it to me over 20 years ago and I never was aware of it being region unlocked. I was prepared to mutilate the lock-out chip, until I stumbled upon this. Then I remembered seeing some odd wires soldered into the motherboard the last time I cleaned the system, but I never questioned their purpose. Now I checked them again, and they definitely are soldered to bypass the chip, just like in the picture. And I guess it works, as I get the constant white screen without a cartridge. I always thought it was the normal behavior of an NES!

    I guess I’m free to purchase some NTSC games now.

    1. You’re not the only one who though two-wire modded NES behaviour was the standard. Hell, it took me until the 00’s to find an unmodded NES locally. Importing and pirated carts via Russia were stupidly popular back in the day, and some people even had Famiclones inside real NES cases with 1000-in-1 on PCB itself.

  6. I’ve got a PAL NES that I recently discovered was modified in similar fashion before I got it (long time ago), except they used resistors and the topmost solder point is bridged to a different spot. Works well and after cleaning both sides of the cartridge slot (eg: where cartridge connects AND where it connects to NES circuit board) it loads games flawlessly.

  7. I have a PAL-EEC borad with NES-CPU-11, CIC 3195A. I’ve soldered everything just like on the photos so the grey picture is constant on screen. My PAL games are working normally as before but sadly NTSC games won’t work. 😦

    1. Hello friends, I’m from Brazil, I was worried because I put an auction on ebay on an NES, but well after I realized that the NES was European version of Germany and PAL 50hz … and here in Brazil it’s NTSC at 60hz. was with 2 problems 1 was the electric question and frequency and the other is this in a region in which the games that he intended was NTSC and a PAL console. so I received the nes realized that it was 220v and 50hz as expected. Output was 9v and 50hz. after studying a little on the subject I saw that it would not have so many problems if I connected my new nes in a 60hz network only if it was the opposite so I did bought a source 110v 60hz coming out 9v 60hz and turned on perfectly in the game super mario 3 NTSC worked just the opening and nothing else the power light was flashing. searching again saw that it was necessary an unlock, was already conforming to break the fourth pin of the cic was there that I bumped here on this topic and I was happy that there would be a possibility to unlock without affecting on the console and could be undone while maintaining originality. it was then today July 19, 2019 that I made the change by soldering the wires as in the images as a encanti my Mario 3 worked perfectly. as I just played NES on emulators I can not tell if the speed is correct. but perceptibly it seems that the mario 3 NTSC game got slightly slower or really it was so and I do not know …. anyway for me it was perfect the NTSC games catches perfectly on NES PAL and for me the speed of the game is perfect with you play perfectly. now if it is a saudogista person of my region can criticize on the subject more for me this is perfect the gameplay and the music accompanying … my tv is also 60hz NTSC, NTSC cartridge and 60hz network. then that’s it. this is my experience for you and thank the author of this topic the mod works perfectly like a charm.

      experience data:

      NES EUROPEAN GERMAN VERSION
      PAL 50HZ
      INPUT: 220V 50HZ
      OUTPUT: 9V 50HZ

      LOCATION OF TEST

      BRAZIL 60HZ NTSC
      110V 60HZ
      TV NTSC 60HZ
      GAME MARIO 3 NTSC

      WORKING PERFECTLY!!!!

  8. Ok, here’s another message: it works! I tried the NTSC games while the NES was disassembled. After reassembling and trying again the NTSC games worked like a charm. I just had to readjust the cartridge inside the NES (a la cartridge getting to work the old style). Thanks!

    1. The solid grey screen is often, and most likely only, caused when there the contact with the cartridge is not complete. I’d recommend either readjusting the pins for better contact or renewing the 72-pin connector. Cleaning the cartridge contact surfaces often help. One of the best methods is to use an eraser, though this means you need to open the cart for that, unless you find an eraser that fits between the contacts and the plastic shell.

      1. I’ve replaced the 72 pin connector the day before already. All my PAL games were working like a charm at the first try. I’ve got a screwdriver for NES cartridges, there’s no problem for opening up and cleaning them. But it was no dirt. Strange.

        1. These machines are better part three decades old, some of connections, even when changed to new ones, might get tricky. Considering the machine functioned normally when open, it’s likely some point was under pressure enough not to make contact, as the solid grey screen more 98% of the time is because the cart is not connecting properly.

  9. I bought a NTSC console with nesRGB board installed right over the lockout chip (!)

    Amazingly this works perfectly & saved me tons of hassle. Thanks!

  10. Just bought an NTSC console, didn’t have a cutter small enough to clip that cic leg and found your solution, which seemed like a much neater solution as well.
    Easy mod, works flawlessly! Thanks!

  11. Hello friends, I’m from Brazil, I was worried because I put an auction on ebay on an NES, but well after I realized that the NES was European version of Germany and PAL 50hz … and here in Brazil it’s NTSC at 60hz. was with 2 problems 1 was the electric question and frequency and the other is this in a region in which the games that he intended was NTSC and a PAL console. so I received the nes realized that it was 220v and 50hz as expected. exit was 9v and 50hz. after studying a little on the subject I saw that it would not have so many problems if I connected my new nes in a 60hz network only if it was the opposite so I did bought a source 110v 60hz coming out 9v 60hz and turned on perfectly in the game super mario 3 NTSC worked just the opening and nothing else the power light was flashing. searching again saw that it was necessary an unlock, was already conforming to break the fourth pin of the cic was there that I bumped here on this topic and I was happy that there would be a possibility to unlock without affecting on the console and could be undone while maintaining originality. it was then today July 19, 2019 that I made the change by soldering the wires as in the images as a encanti my Mario 3 worked perfectly. as I just played NES on emulators I can not tell if the speed is correct. but perceptibly it seems that the mario 3 NTSC game got slightly slower or really it was so and I do not know …. anyway for me it was perfect the NTSC games catches perfectly on NES PAL and for me the speed of the game is perfect with you play perfectly. now if it is a saudogista person of my region can criticize on the subject more for me this is perfect the gameplay and the music accompanying … my tv is also 60hz NTSC, NTSC cartridge and 60hz network. then that’s it. this is my experience for you and thank the author of this topic the mod works perfectly like a charm.

    experience data:

    NES EUROPEAN GERMAN VERSION PAL 50HZ
    INPUT: 220V 50HZ
    OUTPUT: 9V 50HZ

    LOCATION OF TEST

    BRAZIL 60HZ NTSC
    110V 60HZ
    TV NTSC 60HZ
    GAME MARIO 3 NTSC

    WORKING PERFECTLY!!!!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.