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NORway PS3 NOR Flasher Software for Teensy++ 2.0 Dev Boards

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169w ago - Following up on the previous PS3 NOR Flash dumping updates from uf6667 and No_One, today judges has released Teensy++ 2.0 Flasher Software called NORway for PlayStation 3 developers.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror) / PS3 NOR Testpoints / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] by jevin / [Register or Login to view links] / [Register or Login to view links] / PS3 NOR Dump with Teensy 2.0++ Guide / [Register or Login to view links]

To quote: Here comes my initial release of a NOR flasher soft for the PS3 called "NORway". I know, there are other "WIP" projects, but I got a little impatient, so I've decided to create my own solution. It's a port of "noralizer" by marcan, a pretty good working NOR flasher implementation for another FPGA board.

Anyway, here's the README.txt, which should explain everything: NORway v0.1

This project has been ported for the Teensy++ 2.0 from the original NOR flasher tool ("noralizer" by Hector Martin "marcan" ) that was used to flash AsbestOS onto the demo PS3 at 27C3, and for experimentation.


\teensy\NORway.avrsln - Source code for the Teensy++ 2.0 (AVR Studio 5.0)
\teensy\default\NORway.hex - Compiled hex-file for the Teensy++ 2.0 (AT90USB1286)
\hwinstall\install-*.jpg - Some pics of how I've mounted the Teensy (CECH-2504A/B)
\hwinstall\nor_testpoints.png - Connection diagram of the NOR testpoints (CECH-2504A/B)
\serial_install.exe - Teensy serial drivers for Windows
\README.txt - this file
\NORway.py - PC Python client

Hardware connections (see "\hwinstall\nor_testpoints.png"):

PS3 Teensy
A0-7 PF0-7
A8-15 PA0-7
A16-22 PB0-7
D0-7 PD0-7
D8-15 PC0-7

There are no modifications to the Teensy itself required. Don't install any power regulators, don't cut any traces.


Connection diagrams for other boards can be found at: [Register or Login to view links]

Prerequisites for Windows:

Python 2.7.2 ([Register or Login to view links])
pyserial 2.5 ([Register or Login to view links])


Install Python + pyserial (see "Prerequisites for Windows"). Install drivers. Connect Teensy to your PC. Flash Teensy with "\teensy\default\NORway.hex" and reset it after completion. Start Windows' "Device Manager", expand the "Ports (COM & LPT)" node, you should see something like "USB Serial (Communication Class, Abstract Control Model) (COM4)". This tells you that "COM4" (or whatever shows up) is the COM port used by Teensy.

At the command prompt enter "NORway.py" to display help.

Procedure to dump your flash:

- PS3 is turned off
- At the command prompt enter:

- Turn on your PS3, it shouldn't boot
- At the command prompt enter:
NORway.py dump flash.bin
- When dumping is finished enter:
NORway.py release
- Power off your PS3 (disconnect Teensy if PS3 doesn't boot when restarted)

Dumping takes about 3 minutes. A file "flash.bin" with a size of exactly 16 MB (16.777.216 bytes) has been created in your current directory.

Flashing is rather slow. Writing a complete flash with the "write" command takes about 2 hours. Might be improved in future versions...


Before you flash your PS3 with anything new, make sure that the content of your dump is correct (e.g. compare ros0/ros1 area of your dump against "CORE_OS_PACKAGE.bin" from an actual PS3UPDAT.PUP of your current firmware). And keep your original dump in a safe place. You might need it.

It's tested on Win7 x86, but should also work just fine on any x86 Windows >=XP. Basically it should also work on Linux, but I didn't test. If you're running Linux, you probably know what to do. Serial drivers are not required for Linux.

Unfortunately I couldn't manage to make it work on any x64 version of Windows, because of the Python pyserial module.

Thanks to "marcan" for the original implementation.

-- judges (judges at eEcho.com)

P.S: I've already managed to downgrade my OFW 3.61 to CFW 3.55. There're minor things to rule out, but expect a downgrade tutorial coming soon..
PPS: Thanks to defyboy for the original idea of using a Teensy for flashing!

Update 28th July, 2011: v0.2 released! Documentation updated to include the required 3.3V voltage regulator plus Teensy clock rate changed to 8 MHz!

Update 9th August, 2011: NORway v0.3 has been released!

Dumping now only takes 45 secs instead of over 5 mins! Writing now only takes about 8.5 mins instead of over 2 hours!

[jevin] judges check out [Register or Login to view links]
[jevin] its modified to support samsung chips
[jevin] it does chip erase twice (a22 low/high)
[jevin] and does single-word, unlocked programming of the entire chip
[jevin] it doesnt support programming ranges because i haven't bothered with partial erases yet
[jevin] 99% untested
[jevin] it executes when not hooked up to my ps3

Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 28 Comments - Go to Forum Thread »

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petergotsole's Avatar
#28 - petergotsole - 9w ago
Hello everyone, thank you for taking the time to read this as im writing this 310am after 7+ hours of searching how to 'jailbreak/downgrade' my ps3 to 3.55.

Note I am a complete noob and im sorry if this has been asked a million times but believe me when i say i tried putting peoples opinions and answers together and still couldn't come up with a solution.

I have 2 Slim PS3's (second gen) and only want to jailbreak 1 due to reading a bunch of forums and opinions how one shouldn't be jailbroken, sooo...

Both are running on 4.60 but the upgrades before were 2.70 (cech2001A) for one of them and 3.40 (cech2501A) for the other so both of them are good to go but i plan on downgrading my 3.40.

I'm aware i need a flasher and I've seen plenty tutorials but they're a little out of my price range so i was leaning more towards the NORway teensy but even then there are many options to choose from.

So what im asking of you guys/girls is a complete checklist of things i need to get and maybe how to disassemble and solder (also wondering 1-10 how hard and chances of me bricking my system) the board or whatever it is and what i need to program to downgrade. I know theres a difference between NOR and NAND and i think i have a NOR since all slims are NOR but haven't seen any tutorials for them.

After all that downgrading now what? do i begin jailbreaking and what sources do i need? (if its anything like the iphone lol if not i apologize)

My main intention isn't to pirate anything but i have my reasons and maybe have some fun on mw3 hosting lobbies (with friends) since a lot of people are against hacking online.

Also i've read many that if i were to hack online i would get banned instantly for any game especially well known games.

so thank you to whoever can respond to these question, i really do appreciate anyone taking the time to help me with my troubles. i have an empty shopping cart waiting....

Reason why i leaned towards the teensy is after reading about NORway.. it's the software for Teensy++ 2.0 development board and brings stability and reliability to NOR flash reading.

most importantly Teensy++ 2.0 development board is made by US company and it costs USD 27 with pins solder to it, which means no custom import taxes for people in the US. so, what you need:

  • NORway: free and open source software
  • Teensy++ 2.0 development board with pins soldered to make it easier for you
  • 360-clip NOR clip 58-pin
  • female jumper wires

bottom line for less money you get much better solution, which is something from the past for me. last, but not least and for completeness i want to mention that you will need to solder few extra pins to Teensy++ 2.0, because the version with soldered pins doesn't have all necessary for NORway work pins soldered.

that again can be done from someone for you for just a few bucks - at the end you will end up with a actually NOR programmer with professional quality and reliability and you can even help other people with it and make money.

nikolass's Avatar
#27 - nikolass - 113w ago
can i downgrade 4.xx ps3 with just a Teensy ++ 2.0 ?

PS3 News's Avatar
#26 - PS3 News - 117w ago
Following up on his previous release, today PlayStation 3 developer judges has updated the Teensy++ 2.0 NOR flasher NORway for PS3 to version 0.5 with the changes outlined below.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror) / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links]

NORway v0.5 Changelog:

  • Added block table for Samsung K8Q2815UQB. The programming modes "writeword" and "writewordubm" don't require manual chip/sector erase prior to writing anymore!
  • Bugfix: "NORway.py COMx release" didn't work. Now you can leave Teensy powered at all times and console will boot up correctly after issuing a "release" command
  • Bugfix: increased TRANSMIT_TIMEOUT for Teensy's serial device to 10000ms (required for OS X)
  • Bugfix: disabled DSR/DTR flow control (wasn't working reliably on OS X)
  • Bugfix: TRISTATE wasn't set correctly
  • Added additional verification when writing is done. Although each write command verifies each written sector/block, it happened that written bytes weren't persistent
  • Added "verify" command

NORway v0.6 Beta Changelog:

  • Changed programming modes "write", "writeword" and "writewordubm" to "vwrite", "vwriteword" and "vwritewordubm".
  • Added new programming modes that skip verification for single 4KB blocks: "write", "writeword" and "writewordubm".
  • Moved verification algorithm to Teensy.

Update: From littlebalup: Hi ladies and gents, As an alternative to WAYgui by Swizzy, here comes my personal simple programs, written in batch and compiled as exe, to easily launch and work with the well known NORway and NANDway python scripts by Judges.

Download: [Register or Login to view links] / [Register or Login to view links]


  • Multi-lingual (English and french only for the moment, with auto-detection per windows language) If someones would like to translate to another languages, sources are available.
  • Teensy COM port auto-detection
  • Multi-dumps (I mean you can define a quantity of dumps to perform)
  • Binary dumps comparison after dumps (if multi-dumps) with log file.

Install note:

  • Simply paste the exe files into the same directory as NORway.py / NANDway.py
  • Execute

Update #2: New version of NORPatch available from judges: Norpatch v4.60.0

  • Added OFW 4.60 recognition

Update #3: New version of NORPatch available from judges: Norpatch v4.65.0

  • Added OFW 4.65 recognition

More PlayStation 3 News...

evajoly's Avatar
#25 - evajoly - 125w ago
love this thanks

ullasmanju's Avatar
#24 - ullasmanju - 125w ago
thanks man it helped me a lot...

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