Editing Talk:Dual Firmware

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== Manual dualboot 3.55 & 3.70 with 2 flashdumps and 2 harddrives ==
= Manual dualboot 3.55 & 3.70 with 2 flashdumps and 2 harddrives =
=== Old Guide ===
=== Old Guide ===
[http://www.digitalangel.it/2011/08/tutorial-fast-swap-su-ps3-slim-cfw-3-55-3-70-con-2-hard-disk-e-progskeet/ original italian and english guide posted by digitalangel]
[http://www.digitalangel.it/2011/08/tutorial-fast-swap-su-ps3-slim-cfw-3-55-3-70-con-2-hard-disk-e-progskeet/ original italian and english guide posted by digitalangel]
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WARNING: In case you wanna update your console with a future “3.80″ or-so firmware. Do not update your console when you are running 3.55 firmware! You have to go to “swap dump 3.70.bin” and then update as usual (XMB or recovery)… -By the way, the downgrade is confirmed working only on 3.70… we haven’t tested it on other FWs, you could loose the possibility to go back to 3.55!-
WARNING: In case you wanna update your console with a future “3.80″ or-so firmware. Do not update your console when you are running 3.55 firmware! You have to go to “swap dump 3.70.bin” and then update as usual (XMB or recovery)… -By the way, the downgrade is confirmed working only on 3.70… we haven’t tested it on other FWs, you could loose the possibility to go back to 3.55!-


<span style="color:red!important;">'''Editoral warning:''' The "NoCheck.pup" is known to cause trophy errors, use the [[Downgrading_with_NOR_flasher#Premade_CFW_Rogero_V2 | RogeroV2.pup]] instead or build one yourself with [[PS3MFW Builder]] and the [[Talk:Downgrading_with_NOR_flasher#Combined_TCL_V2 | TCL]] from the NOR downgrader talkpage.</span>
<span style="color:red;">'''Editoral warning:''' The "NoCheck.pup" is known to cause trophy errors, use the [http://www.ps3devwiki.com/index.php?title=Talk:Downgrading_with_NOR_flasher#Premade_CFW_Rogero_V2 RogeroV2.pup] instead or build one yourself with [[PS3MFW Builder]] and the [http://www.ps3devwiki.com/index.php?title=Talk:Downgrading_with_NOR_flasher#Combined_TCL_V2 TCL] from the NOR downgrader talkpage.</span>




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== E3 Fast Dual Boot- OFW 4.xx and CFW 4.xx ==
== E3 Fast Dual Boot- OFW 4.xx and CFW 4.xx ==
please do come crying in #ps3downgrade




Just base info, someone please work on, :) or delete....
'''Please Read''"
 
<br />


'''Please Read'''


Thanks and credits
Thanks and credits
pu6pu6 - ps3hax.net, original brief tutorial
pu6pu6 - ps3hax.net, original brief tutorial
kman28 - ps3hax.net , original fast dual boot guide
kman28 - ps3hax.net , original fast dual boot guide
everyone in this thread for testing and what not - http://www.ps3hax.net/showthread.php?t=44955
everyone in this thread for testing and what not - [[http://www.ps3hax.net/showthread.php?t=44955]]
PSdevwiki-especially eussNL


What is needed:
What is needed:
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2. You will need an E3 flasher.
2. You will need an E3 flasher.
3. The tristate on the motherboard must be soldered to the SBE point on the e3 flasher with a cable
3. The tristate on the motherboard must be soldered to the SBE point on the e3 flasher with a cable
4. The track between points A and B must be scratched out and a cable soldered between points A and the SBCE point on the E3 flasher. [[Hardware_flashing#Pinout_Gallery | Diagrams]]
4. The track between points A and B must be scratched out and a cable soldered between points A and the SBCE point on the E3 flasher. diagrams -
5. You must be in a position to install a 3.55 firmware.


'''CFW Setup'''
== Tutorial ==
You must be in a position to install a 3.55 firmware.
== CFW Setup ==
Plug in your CFW hard drive. Put switch 2 up on the E3, rest down.
Plug in your CFW hard drive. Put switch 2 up on the E3, rest down.
Install Rogero 3.55 V7. Preferably via recovery menu. link
Install Rogero 3.55 V7. Preferably via recovery menu. link
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Turn ps3 off-unplug the power
Turn ps3 off-unplug the power


'''OFW SETUP'''
OFW PART


PS3 is off
PS3 is off
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When you want to switch to CFW put ps3 off-change switch to cfw, plug in CFW HDD, and turn on
When you want to switch to CFW put ps3 off-change switch to cfw, plug in CFW HDD, and turn on
== Software Talk ==
Software wise from GameOS it would be possible to switch OS Bank, booting into a different Lv0->Lv1->Lv2.<br>
Theory: <br>
To switch back it is required being the other Bank modified not being original firmware files for getting access to Lv2 Syscalls, specifically accessing EEPROM.<br>
Newer (patched) CoreOS theoretically '''could''' run older dev_flash version - to a certain degree.
=== EEPROM ===
{|class="wikitable"
|-
! Offset !! size !! Notes
|-
|0x48C24|| 1||Bank #0 OS-Flag (ros0 if 0xFF else ros1)
|-
|0x48C25|| 1||Bank #0 rvkprg-Flag
|-
|0x48C26|| 1||Bank #0 rvkpkg-Flag
|-
|0x48C27|| 1||Bank #1 OS-Flag
|-
|0x48C28|| 1||Bank #1 rvkprg-Flag
|-
|0x48C29|| 1||Bank #1 rvkpkg-Flag
|-
|}
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