RPC1 firmware for SH-S202G/H/J/N and SH-S203B/D/N

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Samsung Writer Discuss, RPC1 firmware for SH-S202G/H/J/N and SH-S203B/D/N at CD and DVD Writers forum; Here's RPC1 patched firmware for these models. Download the flash tool , unzip, unrar and flash. Only the SH-S203N firmware is tested, but the patch is identical for all these models, so they should all work fine. ** DISCONTINUED ** Please now use MCSE to patch the latest official firmware.

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Mr.Shine (Firmware Patcher)
Posts: 22
Posted: 23-10-2007
Here's RPC1 patched firmware for these models. Download the flash tool, unzip, unrar and flash.

Only the SH-S203N firmware is tested, but the patch is identical for all these models, so they should all work fine.

** DISCONTINUED **

Please now use MCSE to patch the latest official firmware.
Last edited by C0deKing; 28-01-2008 at 02:01. Reason: Discontinued
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Today (MyCE Staff)
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C0deKing (Senior Administrator)
Posts: 11,400
Posted: 25-10-2007
Great work Mr.Shine. Thanks!
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mciahel (Senior Moderator)
Posts: 12,644
Posted: 25-10-2007
FAQ updated
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zhadoom (MyCE Resident)
Posts: 1,165
Posted: 25-10-2007
CodeKing,

Now we just need the release of a mix of your FB FR firmware with this RPC-1.

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pinto2 (DVD Freak)
Posts: 7,545
Posted: 25-10-2007
Thanks for these nice rpc1 firmwares...

Also nice to see you back in business. Can still recal your post 2y back, linky
Quote:
"Bottom line, whoever wants to start firmware patching will have to figure out almost everything on his own. Which is stupid, as the information is known - why do the same work for the Nth time? That's at the very least counter-productive."
BTW, I tried LtnFlash on my S203B a while ago and also got "rpc1" drive. Problem is that I can't get it back to "one" region.
Any suggestions.
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petexice (New on Forum)
Posts: 6
Posted: 25-10-2007
Quote:
Originally Posted by zhadoom View Post
CodeKing,

Now we just need the release of a mix of your FB FR firmware with this RPC-1.
This will be great!!!

Thanks for the RPC1 Mr. Shine
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MegaDETH (Senior Moderator and Senior Reviewer)
Posts: 4,600
Posted: 25-10-2007
Thank you Mr.Shine, it is greatly appreciated.
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Mr.Shine (Firmware Patcher)
Posts: 22
Posted: 25-10-2007
Quote:
Originally Posted by zhadoom View Post
CodeKing,

Now we just need the release of a mix of your FB FR firmware with this RPC-1.
Everyone who knows how to to use a hex editor should be able to do that himself. Here's how:

1. download the original firmware
2. do a binary compare with mine - there should be exactly 3 bytes difference (4 in some firmwares), STOP HERE if there are any more differences!
3. write down the first 2 differences (should be 0x60->0x80 and 0x70->0x80)
4. download C0deKing's FR or FB/FR firmware
5. verify that C0deKing's firmware looks identical to the original one at the two matching places you wrote down in (3), STOP HERE if it doesn't!
6. change the two bytes in C0deKing's firmware to match mine
7. go to the very end of the file. The last two bytes are a 16bit number in big endian format. This is the checksum. Add 0x30 to that.
8. Save, flash and reboot.
9. If your drive boots up displaying "BOOT" instead of "SB00" resp. "SB01" as version number, you failed and will have to reflash to any of the working firmwares. Your drive is NOT bricked, it's just in a kind of "safe mode".

As for the "STOP HERE" warnings - this thread mentions that some firmware binaries differ despite identical version number, depending from where you downloaded them. If you happen to encounter such differences, the above will not work, don't even try it!

Easiest would of course be if a new version of Omnipatcher added support for Samsung drives, allowing for RPC and speed patches. Who knows, maybe C0deKing is already working on that.

Happy hex-editing to all those who can't wait

P.S. If you don't fully understand what I wrote above, don't try it. I warned you.
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Mr.Shine (Firmware Patcher)
Posts: 22
Posted: 25-10-2007
Quote:
Originally Posted by pinto2 View Post
Thanks for these nice rpc1 firmwares...

Also nice to see you back in business. Can still recal your post 2y back, linky
Hehe, not really "back", as I didn't actually patch stuff before - the few I did were mostly private, as they were only "ports" of other people's patches (e.g. when a new firmware came out and no one bothered to release a patched version).

For the record:
All the info you need for patching current Samsung firmwares is the following:
- read and understand (!) XVI's guide
- Mediatek chipsets are using an Intel 8051 compatible micro controller
- the checksum is a simple byte sum of the static part of the firmware. No need to re-generate it from scratch, though, if you're only patching two bytes like I did - just add the delta between the original and patched value of each byte.

Quote:
Originally Posted by pinto2 View Post
BTW, I tried LtnFlash on my S203B a while ago and also got "rpc1" drive. Problem is that I can't get it back to "one" region.
Any suggestions.
Reading your post doesn't give me the impression that your drive became RPC1, though. You simply set it to "region 1" (don't confuse with RPC1!). Why this worked with LtnFlash? Because setting the region is a standard ATAPI command, nothing specific to Liteon. Click "Disable" instead of "Set Region" and you'll get an error, because THAT command is Liteon specific. To go back to region 2, just select region 2 and click "Set Region" again. Or insert an original R2 DVD and start the DVD player software of your choice. It will offer changing the region to "2". The region setting has nothing to do with burning, only with playback. You can burn a region 1 disc with your drive set to region 2 - you just can't play it back afterwards.
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nekrosoft13 (MyCE Resident)
Posts: 1,536
Posted: 25-10-2007
Quote:
Originally Posted by zhadoom View Post
CodeKing,

Now we just need the release of a mix of your FB FR firmware with this RPC-1.
please keep them seperate

I want Kings firmware, but no RPC1
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Bob (I donated to the Tsunami fund and all I got was this lousy title)
Posts: 17,521
Posted: 26-10-2007
I could have swore i posted in this thread but my age and memory seem to be foggy a lot these days.

Anyway i want to say thank you for the info and f/w's but i really have no need for them but this is good for people that need this type of f/w.
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ala42 (MediaCodeSpeedEdit Author)
Posts: 4,722
Posted: 26-10-2007
Quote:
Originally Posted by zhadoom View Post
CodeKing,

Now we just need the release of a mix of your FB FR firmware with this RPC-1.
I contacted Mr.Shine and will add his patch to the next MCSE release, so you can mix the firmwares as you want soon.
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minaelromany (CDFreaks Resident)
Posts: 2,315
Posted: 26-10-2007
Quote:
Originally Posted by ala42 View Post
I contacted Mr.Shine and will add his patch to the next MCSE release, so you can mix the firmwares as you want soon.

Excellent news ala42
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Bob (I donated to the Tsunami fund and all I got was this lousy title)
Posts: 17,521
Posted: 26-10-2007
Quote:
Originally Posted by ala42 View Post
I contacted Mr.Shine and will add his patch to the next MCSE release, so you can mix the firmwares as you want soon.
to kewl ala42
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Raghunandan (New on Forum)
Posts: 1
Posted: 26-10-2007
Did the rpc1 patch to codekings firmware. Attaching screenshot with benchmark and driveinfo, which I think is proof of fast read and region free unlock. Can someone confirm this? Thanks to Codeking and Mr.Shine.

Drive Benchmark showing fast read and rpc1


Firmware
Samsung S-203B RPC1 FB+FR

Raghu.
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MrMoody (CD Freaks Junior Member)
Posts: 74
Posted: 30-10-2007
Quote:
Originally Posted by ala42 View Post
I contacted Mr.Shine and will add his patch to the next MCSE release, so you can mix the firmwares as you want soon.
This is done now and works great! Thanks Mr.Shine and ala42!
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sugarmommyst (CD Freaks Member)
Posts: 196
Posted: 30-10-2007
What's rpc1???
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mciahel (Senior Moderator)
Posts: 12,644
Posted: 30-10-2007
Quote:
Originally Posted by sugarmommyst View Post
What's rpc1???
http://club.cdfreaks.com/f61/f-q-pc-...18794/#fw-rpc1
http://en.wikipedia.org/wiki/DVD_region_code
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falberni (CD Freaks Member)
Posts: 105
Posted: 30-10-2007
Thank you C0deKing, Mr.Shine, and ala42.
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sapperlott (New on Forum)
Posts: 4
Posted: 28-11-2007
Hmm - didn't work on my SH-S203B. I had already set it to region 2 before applying the update. After flashing the DVDs I tested got really strange volume labels and my software (Nero ShowTime) refused to play them claiming that there was no valid DVD video structure found on them.

When I flash the unmodified SB01 everything works fine except that it's region locked...
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_chef_ (MyCE Resident)
Posts: 27,383
Posted: 28-11-2007
Quote:
Originally Posted by sapperlott View Post
Hmm - didn't work on my SH-S203B. I had already set it to region 2 before applying the update. After flashing the DVDs I tested got really strange volume labels and my software (Nero ShowTime) refused to play them claiming that there was no valid DVD video structure found on them.

When I flash the unmodified SB01 everything works fine except that it's region locked...
Do you know how RPC1 works?
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sapperlott (New on Forum)
Posts: 4
Posted: 29-11-2007
Up until now I thought I did. Did I get anything wrong?
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Mr.Shine (Firmware Patcher)
Posts: 22
Posted: 29-11-2007
That's some strange behavior indeed. If Nero Showtime works like every other DVD player software I know, it should complain that your drive has no region set and either offer you to set the region or tell you how to do it in Windows. That is, in case you don't have software like RegionKiller running in the background which takes care of faking the region.

In case you have any software running in the background (DVD43, AnyDVD et al), disable it and try again.

Windows Explorer by the way should not show any different behavior compared to a RPC2 drive. It will still show all files but refuse to copy most of them unless the DVD is authenticated (e.g. by starting a DVD player software, DVDDecrypter, etc.)
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sapperlott (New on Forum)
Posts: 4
Posted: 30-11-2007
Aw crap - looks like I'm out of luck here:
*click*

I'll try with VLC and post my results.
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Mr.Shine (Firmware Patcher)
Posts: 22
Posted: 30-11-2007
Nero Showtime seems to be a stupid POS then. Try using RegionKiller, should work then.
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