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[[Category:Hardware]]
= Hardware Based =
= Hardware Based =


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After looking into this some more, Simply switching the #CE pin may not be sufficient as the chip is still operating and can interfere with the bus.
After looking into this some more, Simply switching the #CE pin may not be sufficient as the chip is still operating and can interfere with the bus.
However, it appears that whilst the #reset pin is tied low, all input/output pins on the flash are in a state of high-impedance. We should be able to simply ground this pin to disable that chip, rather than lifting the #CE pin.
However, it appears that whilst the #reset pin is tied low, all input/output pins on the flash are in a state of high-impedance. We should be able to simply ground this pin to disable that chip, rather than lifting the #CE pin.
EDIT: it seems it is sufficient to use only CE# as several tests (some on this very same page) prove.
=== more than 2 (virtually limitless) ===
Theoretical there is no limit to the amount of flashchips you can stack and CE switch (practical limit is the space to stack, length of wiring and real use for that many FW versions). Using a [http://www.electro-nc.com/m7.htm 48 step rotaryswitch] and stacking 47 Flashchips (1x47 for NOR / 2x 1x47 for NAND) parallel to the original one, its even possible to make a 48-boot system (just remember you have to have a seperate harddrive for every selected flash firmware version).


== Dual-Banking ==
== Dual-Banking ==
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== Increased size NOR Flash ==
== Increased size NOR Flash ==


This method relies on entirely lifting the existing NOR flash chip and planting a 256mbit chip, you could lift Address pin 23 and have a switch to tie this low or high to switch banks. A compatable samsung k8p5615uqa chip ([http://www.bdtic.com/DataSheet/SAMSUNG/K8P5615UQA.pdf datasheet])
This method relies on entirely lifting the existing NOR flash chip and planting a 256mbit chip, you could lift Address pin 23 and have a switch to tie this low or high to switch banks. A compatable samsung chip can be found below:
http://www.samsung.com/global/system/business/semiconductor/product/2007/8/7/620430ds_k8p5615uqa_rev11.pdf


This looks like it could work, as per the spansion and samsung charts, when using autoselect commands etc, it does not care about the state of pin 23. So there should not be any interference.
This looks like it could work, as per the spansion and samsung charts, when using autoselect commands etc, it does not care about the state of pin 23. So there should not be any interference.
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Only a single version of VFlash is stored on flash in NAND consoles, and a single copy is stored at the beginning of the PS3 hard drive on NOR consoles. Because the firmware stored here doesn't match that stored on flash, you would have to reinstall the rest of firmware everytime you switch. We could possibly overcome this limitation by patching the storage manager to redirect vflash to another region of the hard disk.
Only a single version of VFlash is stored on flash in NAND consoles, and a single copy is stored at the beginning of the PS3 hard drive on NOR consoles. Because the firmware stored here doesn't match that stored on flash, you would have to reinstall the rest of firmware everytime you switch. We could possibly overcome this limitation by patching the storage manager to redirect vflash to another region of the hard disk.


[[Category:Software]]
= Software based =
= Software based =


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= Manual dualboot 3.55 & 4.x with 2 flashdumps and 2 harddrives =
= Manual dualboot 3.55 & 3.70 with 2 flashdumps and 2 harddrives =
(old longer guide is on talkpage)
 
[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]
 
Today I will write a tutorial to “fast-swap” between CFW 3.55 and OFW 3.70, using 2 HDDs… at the end of the tutorial, you will be able to swap between the firmware just flashing a dump on your PS3 using Progskeet. (instead of downgrading and losing all data).
 
The first steps are not so easy, so take your time and go on, by the way, you must have some skill with Progskeet, and it must be 100% working on your console.
 
What we need:
* PS3 Slim running with FW 3.70
* 2 Hard Disks
* Progskeet installed and working on your PS3 Slim
* Downgrade.bin edited with your personal data (there are tons of tutorials for do this)
* 3.55 Downgrade Dongle to do the downgrade process.
* Sony OFW 3.70 UPDATE.([http://playstation-3.logic-sunrise.com/telechargement-331678-ofw-ps3-370.html DOWNLOAD])
* CFW 3.55 KMEAW “NO CHECK” by dospiedra.([http://www.multiupload.com/4S6NGO13H4 DOWNLOAD])
* Lv2Diag By Jaicrab. ([http://playstation-3.logic-sunrise.com/telechargement-225750-lv2diag-patche-par-jaicrab.html DOWNLOAD])
* Lv2Diag “FILE 2″ to go out of Service/Factory Mode. ([http://www.mediafire.com/?b07qrb96iz99ibb DOWNLOAD])
 
We need 2 harddrives because the firmware is partial on NOR (CoreOS) and the rest is on the harddrive. so we will need 2 HDDs, one for 3.55, and one for 3.70..
 
We will call those HDD “A” (for 3.70) and “B” (for 3.55) dont mix them up!
 
Starting with a PS3 Slim with OFW 3.70.


==Preparation in short==
# Plug in HDD “B”, format and prepare it if it’s required by the PS3 and you should have your 3.70 up and running.
# DUMP your actual NOR and call it “original dump 3.70.bin”
# Now flash your “downgrade.bin” (edited with the personal data found in “original dump 3.70.bin”)
# Turn on your PS3 and be sure that the PS3 is asking you to press the PS button (downgrade.bin flashed correctly :D )
# Insert a 3.55 Downgrade dongle and enter factory/service mode.
# Copy Lv2Diag.self by Jaicrab and the 3.55 NO CHECK UPDATE renamed as “PS3UPDAT.PUP” in the root of your USB Stick.
# Plug in the USB Stick in the most-right USB port of your PS3 and wait for it to turn OFF.
# Leave the factory mode using the other Lv2Diag.self
# After the reboot, you need to configure and set up your system… now you have a fully working 3.55 CFW based on KMEAW “NO CHECK”.
# DUMP your actual NOR and call it “swap dump 3.55.bin”
# Unplug HDD B and Plug in HDD A.
# Turn on your PS3, plug in your USB Stick containing official 3.70 update and press start+select when asked.
# When the PS3 reboots, check that the system is fully working and DUMP your actual NOR and call it “swap dump 3.70.bin”.


===Getting original and downgrade to 3.55===
NOW IT’S FINISHED! You should have “swap dump 3.55.bin” and “swap dump 3.70.bin” … Now you just have to swap HDD and flash the correspondening dump:
# Dump the flash and make sure it is useable for downgrade to 3.55
* HDD A = swap dump 3.70.bin
# Patch it for downgrade
* HDD B = swap dump 3.55.bin
# Reinstall (Factory Service Mode) the prepatched PUP (e.g. {{RogeroFirmware}}) and reboot (normal mode) to make sure it works fine
# Redump the flash to make sure it has filled both ROS0 and ROS1 (they will differ as one will be the prepatched from the previous step, while the other will contain CoreOS from the installed PUP) and keep this as '3.55-swap.bin' together with the used harddrive '3.55.HDD'.


===Getting latest===
WARNING: Do not install other CFW than the “NO CHECK” one… because it’s used to make the “fast-swap” working… if you flash something different you will not be able to go between the 2 FWs. This patch disables the LV1 for checking the Syscon hashes at startup… so it will not freeze or complain when the syscon hashes says “3.70″ and your FW is 3.55 ;)
# Update (normal or recovery mode) to the latest firmware you want to use (e.g. 4.x) and reboot (normal mode) to make sure it works fine
# Dump the flash and keep this as '4.x-swap.bin' together with used different harddrive '4.x.HDD'.


==Swapping==
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!-
===When you want to boot to 3.55===
# Reflash '3.55-swap.bin' and insert harddrive '3.55.HDD'.


===When you want to boot to 4.x===
<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>
# Reflash '4.x-swap.bin' and insert harddrive '4.x.HDD'.


= Swap Solutions =
= Swap Solutions =
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=== NAND ===
=== NAND ===
==== Ghetto rigs ====
* http://www.uchobby.com/index.php/2007/05/05/read-embedded-flash-chips/
==== TSOP Clip/Probe ====
==== TSOP Clip/Probe ====
* http://www.360-clip.com/
* http://www.360-clip.com/


==== TSOP sockets ====
==== TSOP sockets ====
* http://www.primedistributing.com/Enplas_OTS_Series_PDC_p/ots-series-pdc.htm
* http://www.primedistributing.com/48pintsop.aspx
* https://www.emulation.com/cgi-cfm/insert_quantity.cfm?part_number=S-TSO-SM-048-A%2C%2048-TSO1
* https://www.emulation.com/cgi-cfm/insert_quantity.cfm?part_number=S-TSO-SM-048-A%2C%2048-TSO1
* https://www.emulation.com/cgi-cfm/insert_quantity.cfm?part_number=S-TSO-SM-048-A1%2C
* https://www.emulation.com/cgi-cfm/insert_quantity.cfm?part_number=S-TSO-SM-048-A1%2C
* http://www.ebay.com/itm/TSOP48-to-DIP-48-Pin-IC-socket-Adapter-Converter-B-m-/320660655179
===== Adaptors =====
* http://uk.farnell.com/roth-elektronik/re900-02/adaptor-smd-0-5mm-28-48pin/dp/1426156


=== NOR ===
=== NOR ===
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==== TSOP sockets ====
==== TSOP sockets ====
* http://www.primedistributing.com/Enplas_OTS_Series_PDC_p/ots-series-pdc.htm
* http://www.primedistributing.com/56pintsop1.aspx


== Solutions for swapping / externalise the harddrive ==
== Solutions for swapping / externalise the harddrive ==


=== Internal tray with eSATA connector ===
=== Internal tray with eSATA connector ===
<gallery>
File:Xecuter HDD Xtender.jpg|Xecuter HDD Xtender - nothing special there, just a means to externalise the SATA port and securing it inside the HDD tray
File:Ezflash ps3slim hdd expander.jpg|ezflash ps3slim hdd expander - nothing special there, just a means to externalise the SATA port and securing it inside the HDD tray - Notice the false claims of 16TB and SATA300 (the ps3 maximum supports 1TB / SATA-I/150)
File:3-in-1 PS3 HD PLUS PHE-02 - pic1.jpg|3-in-1 PS3 HD PLUS PHE-02 - pic1
File:3-in-1 PS3 HD PLUS PHE-02 - pic2.jpg|3-in-1 PS3 HD PLUS PHE-02 - pic2
</gallery>
* http://www.ezflash.cn/ps3-hdd-expander/ (ps3 slim)
* http://www.ezflash.cn/ps3-hdd-expander/ (ps3 slim)
* http://www.joystiq.com/2009/02/03/mysterious-ps3-esata-adapter-promises-massive-hdd-storage/ (ps3 fat)
* http://www.joystiq.com/2009/02/03/mysterious-ps3-esata-adapter-promises-massive-hdd-storage/ (ps3 fat)
* http://www.destructoid.com/adding-300gb-esata-to-a-ps3-in-pictures-30024.phtml (ps3 fat)
* http://www.destructoid.com/adding-300gb-esata-to-a-ps3-in-pictures-30024.phtml (ps3 fat)
=== External cradle with SATA uplink ===
Remember: You still need an eSATA (cradle) to SATA (PS3) cable
* http://www.dealextreme.com/p/all-in-1-dual-hdd-docking-station-with-one-touch-backup-for-2-5-3-5-sata-hdd-71509?item=18
* http://www.dealextreme.com/p/all-in-1-dual-hdd-docking-station-with-one-touch-backup-for-2-5-3-5-sata-hdd-31574?item=10


=== DIY / cheap solutions ===
=== DIY / cheap solutions ===
Alot of the above mentioned solutions can be made DIY.
Alot of the above mentioned solutions can be made DIY.
* http://www.aliexpress.com/fm-store/601043/210118527-417040433/SATA-7-pin-Male-to-ESATA-Female-cable-30cm-for-ps3.html (only US $5.99 !)
* http://www.aliexpress.com/fm-store/601043/210118527-417040433/SATA-7-pin-Male-to-ESATA-Female-cable-30cm-for-ps3.html (only US $5.99 !)
* http://www.amazon.com/eSATA-Female-Extension-Cable-Bracket/dp/B00IU8Y9AG
* http://maxict.nl/product/3507535/delock-82855-cable-sata-extension-serial-ata-verl-ngerungskabel-serial-ata-150-300-600-serial-ata-7-polig


=== SATA Switches ===
=== SATA Switches ===
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* http://jivebay.com/2008/12/08/sata-switches-hdd-hard-disk-drive-selectors-part-6/
* http://jivebay.com/2008/12/08/sata-switches-hdd-hard-disk-drive-selectors-part-6/
* http://www.cooldrives.com/4posaiisw3ba.html
* http://www.cooldrives.com/4posaiisw3ba.html
=== RAID enclosures with eSATA port ===
they must serve the storage as uniform storage device on a single port (not software RAID, relying on host)
* http://akiba-pc.watch.impress.co.jp/hotline/20070120/etc_ps3hd.html
   
   
=== Not useable devices ===
=== Not useable devices ===
Devices that state that host must support Port Multiplier (PM) specifications won't work, e.g.
Devices that state that host must support Port Multiplier (PM) specifications won't work, e.g. http://www.vantecusa.com/gl/product/view_detail/372
* http://www.vantecusa.com/gl/product/view_detail/372
 
= Publications based on this article page =
* PS3 Dual-Firmware – Hardware Hacking Guide – Ed. 2 - Author: No_One - [https://web.archive.org/web/*/http://ps3devwiki.com/files/documents/PS3_Ed2_dualnand.pdf PS3_Ed2_dualnand.pdf] // (mirror: [http://www.mediafire.com/?crkryrb5qdc4n0j PS3_Ed2_dualnand.pdf (128 KB)])
 
 
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