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November 3, 2012 // 4:34 pm - Following up on the Rebug 3.55.3 / 4.21.1 PS3 CFW REX Editions, this weekend PlayStation 3 developer deank has updated multiMAN to v04.10.00 which includes PS3 Rebug (REX) support alongside the changes outlined below.

Download: multiMAN v04.10.00 Base CEX (20121103) / multiMAN v04.10.00 Base CEX (20121103) (Mirror) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #2) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #3) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #4) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #5) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #6) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #7) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #8) / multiMAN v04.10.00 Base CEX (20121103) (Mirror #9)

Below are the changes, as follows:


  • Added full support for 4.21REX (REBUG) firmware
  • Added support for 4.21REX in DEX full mode (DEX flash + DEX lv2 kernel)
  • Added support for PS1 disc backups for 4.21REX CFW in DEX/DEX mode
  • Added support for direct-disc-access for 4.21REX CFW in DEX/DEX mode (data CD/DVD/BD discs)
  • Added support for flashing 256MB NAND *.EID0.NANDBIN backups
  • Users with broken BD drives can use 4.21REX in DEX mode with fake BDEMU stick/image for 100% game compatibility

IMPORTANT NOTE: If you're using DEX mode in 4.21REX, use this CEX version of mM (do not install the reguar DEX mM which is only for official dex firmwares).

This package also includes:

  • Rebug Toolbox 02.00.00
  • c2d + openssl


It is to help users with broken BD-ROM drives (which have a working logic board and married to the PS3). A lot of games have issues when started from /app_home or using "Direct Boot", that's why this is the BEST solution for such users. You will have to be on 4.21CFW REBUG (REX) with DEX Target ID flash and DEX LV2 Kernel (full DEX MODE).

From the ReadMe file: If you do not want to waste a whole USB HDD you can use a small 512MB USB STICK to emulate your broken BD-ROM.


  • PC and PS3
  • USB stick/drive (512MB minimum size)
  • Disc Image Generator Software (ps3gen)
  • PLAYSTATION3.iso Dummy BDEMU image
  • 4.21CFW REBUG (REX) operating in DEX mode with DEX lv2_kernel (FULL DEX MODE)
  • Connect a USB HDD to be used for BDEMU
  • Start "Disc Image Generator for Playstation3" (ps3gen)
  • Click "Show" button in the top right-hand corner
  • Click "Select File..." button
  • Locate and select "PLAYSTATION3.iso" provided in this archive
  • Click "Save / Emu ..." button
  • Select "Write Image to BD Emulator HDD"
  • Select your BDEMU USB HDD
  • Pick a slot from the list and click "Write Image"

On your PS3 with 4.21REX CFW and multiMAN 04.10.00 installed:

  • Install "Rebug Toolbox 02.00.00" and launch it
  • In DEX/CEX: Flash your DEX EID0 NOR/NAND file (DEX-FLASH.EID0.NORBIN or DEX-FLASH.EID0.NANDBIN file on /dev_usb000 stick)
  • Quit Toolbox and reboot your PS3
  • In XMB "Settings" go to "Debug Settings" and set "Blu-ray Disc Access" option to "BD Emulator (USB)"
  • Turn off your PS3
  • Connect the BDEMU USB HDD drive/stick to the right-most port (/dev_usb000) - the port closest to the BD-ROM drive
  • Turn on your PS3
  • You should see "PLAYSTATION(R)3" Game Disc mounted in XMB Game column
  • Start multiMAN 04.10.00+, load a game from internal HDD or external USB HDD connected to another port. Do not unplug the BDEMU USB drive.
  • Start your game from the Disc Icon in XMB.

Done. In the pictures below you can see how it looks when you boot your PS3 with the dummy disc game, if you start it and if you mount a game with mM (Assassin's Creed III used as example) and check XMB

MultiMAN v04.10.00 is Now Updated with PS3 Rebug (REX) Support

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#1264 - teaynadesh - April 27, 2015 // 12:16 pm
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Thank you for Multiman Sir.

#1263 - ktgw11 - April 10, 2015 // 7:02 pm
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thanks for good soft. all the best.

#1262 - djmakis - March 27, 2015 // 1:58 pm
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thanks for the files, also from MixeryMaxe comes S-DMC, a Selfmade DMC for Cobra ODE users with details below:

Hallo comm

I would like to present an user project from two friends (GamersRS & esprit1711 from psXtools) and me. Around october 2014, a friend asked about the possibility of a microcontroller based project. And i just said "of course" Chipwelt from psXtools had built a "switchmod" as alternative methode to the DMC and GamersRS asked me about a "microcontroller based switchmod".

So the idea from the S-DMC was born

I had built a microcontroller (PIC16F628A) based circuit and had written a software in asm. The prototype looks ugly but it works

And here esprit1711 comes into play. He designed a real "eye candy" PCB and then the big tests began.

After finishing the big tests esprit1711 had kills few bugs on the PCB and i made an optimization the software for the PIC.
The final version was finished.

The S-DMC is for Slim models. The installation is simple, there are just 4 wires to soldering (+ 2 optionale, 1 LED for swap-magic signaling) and one little cut one the power PCB of the PS3. The S-DMC simulate the switch positions from bd-drive so you are able to swap the disc and the PS3 don't get it

Despite of the cuts on the power PCB i was able to preserve the original PS3 eject function. Function of the S-DMC are:

  • 1 click on eject button = normal official disc eject
  • hold eject button(~10sec) = normal official bd-drive reset
  • double-click on eject button = swap-magic for cobra ode

The official release was in early 2015 and until today there are no problems.
The end product works like a charm

More information:

  • First present thread:
  • Official support thread:
  • Installation instructions:

Credits goes to:

  • Chipwelt
  • GamersRS
  • esprit1711

Have fun

Update: Hi, today i received new information from Chipwelt. Ok as i said, i don't have a ODE and i don't use the S-DMC.

It can also be used without ODE to swap psx (and *ps2) backups even on OFW.
e.g. insert an original psx game in the ps3 and wait until the disc icon is appear in xmb, than double-click on eject button (for swap-trick) and now you can insert any psx backup and play again, EVEN on OFW .... crazy that i didn't know that.

*ps2 backups of course only on bc models. But in the same way as with psx games. Ok, at this time the S-DMC is only for slim models but this can be changed if there is a demand

Chipwelt released a video in november 2008 with a switch-mod and show a ps2 swap on a cecha model

#1261 - ori0 - March 24, 2015 // 3:42 am
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Thanks for keeping the PS3 going strong!

#1260 - gurpreetbal - March 15, 2015 // 9:45 am
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thanks for uploading

#1259 - PS4 News - March 7, 2015 // 1:41 am
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7 - 3 - 2015 Cobra ODE News - Update

We are pleased to present the Cobra ODE FW 2.4 wich properly adds support for the Emu USB QSB and addresses a number of small bugs we found in particular with the drive door support for 4k consoles. We have updated the DMC triggering mechanism for enhanced performance.

The game database file has also been updated to include many new titles.

We are unable to fully support FAT PATA consoles with DMC owing to issue with BD recordable media compatibility and a multitude of different bluray drive daughterboards. FAT SATA consoles with BMD-31 will remain supported. If you have purchased DMC for PATA FAT consoles, you may return it to your reseller for a refund.

DMC will be kept fully supported on FAT SATA (BMD-31), 2k/2k1, 2k5 and 3k consoles.

Since we have removed the Hardware Passthrough mode from ODE FW 2.4, we suggest that users use ODE FW 2.2, if they wish to update the OFW of their console to 4.66. ODE FW 2.2, still has the option to enable HW Passthrough mode providing you are using the USB Clip on PCB. After updating the console OFW to 4.66 you can update to ODE fw 2.4 again.

Finally, from coalchamber1022: (DMC + OS 4.7 + CECH-2001A)

Hi Guys, Formalities...

PS3 Type: CECH-2001A
PS3 OS: v4.7
ODE: v4.2
ODE FW: 2.4
DMC: v1.0
Boot Disc: ModNation Racers (BCAS20105)
Swap Disc: Verbatim 25 GB 6x SL (LINK)
SD Burner: Generic from Amazon (LINK)

CFG File:

[Register or Login to view code]

I got things hooked up, loading a game is still a bit of a PIA but it works.

  • After plugging in my HDD with my games on it I plug my PS3 into power then boot it up.
  • I then put in by Boot disc I see the cobra menu and select a game.
  • I then get a what looks to be a video of just the cobra icon at that time I eject my boot disc then just put the boot disc back in. It then loads up the game selected in the XMB
  • I then hit 'x' to start the game the bootdisc then pops out then the ode flashes red/blue so i leave the boot disc and let it suck back in.
  • Then in a few seconds it ejects again then ODE flashes green/blue I then pop in swap and BADABOOM it loads up.

With that many ejects and loads I am anticipating my BD drive to crap out soon. Hopefully cobra team can lower the number of ejects but in any case it works!!

#1258 - Suprising - February 18, 2015 // 11:02 am
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I just upgraded my old Cobra to a newer updateable version today!

On 4.66 it seems Sony are catching and winning the race with ODE's. Anyway, I do have a swap disk which means I am sorted for now...

26 - 2 - 2015 - Cobra ODE News - Information

All Cobra ODE users should avoid updating to OFW 4.70 until Cobra Team has carried out extensive testing.

Some videos on 4.70:

#1257 - jodson - February 16, 2015 // 11:41 am
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I do not think it worth buying it go with what we have today with all PS3 already possible and with the minimum of expense.

#1256 - devbabdev - February 16, 2015 // 10:08 am
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should i need cobra dongle?

#1255 - Isleofdoom - January 30, 2015 // 7:30 am
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Multiman shares alot of info between the cfw cobra port which made me look into the issues with controller synch n are all within mm causing issues due to certain files where synch needs to be patched properly in with the file.

I already ran the tests and intact does work correctly thus also giving back the exit screen