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note: this seems untrue as there are several people posting pictures of their external to internal drive mod with a size of 2TB</pre>
note: this seems untrue as there are several people posting pictures of their external to internal drive mod with a size of 2TB</pre>
 
==== Personal experience ====
===== Using Normal Mode and Recovery - when trying to install a 1.5TB 3.5" drive as internal (using an eSATA cradle) =====
===== Using Normal Mode and Recovery - when trying to install a 1.5TB 3.5" drive as internal (using an eSATA cradle) =====
* Using Recovery it is possible to finish the format of the harddrive until 100%. The system however fails to reboot automaticly after that and halts. When enforced to reboot, it errors out with "Wrong Harddrive".
* Using Recovery it is possible to finish the format of the harddrive until 100%. The system however fails to reboot automaticly after that and halts. When enforced to reboot, it errors out with "Wrong Harddrive".
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* When trying to boot to XMB it also errors out with "Harddrive Error 0x8002F281".
* When trying to boot to XMB it also errors out with "Harddrive Error 0x8002F281".
* When replacing the drive for the previous tested 1TB harddrive, it boots without errors to XMB and reports : 827GB free/931GB total
* When replacing the drive for the previous tested 1TB harddrive, it boots without errors to XMB and reports : 827GB free/931GB total
;Conclusion: <span style="color:red!important;">&gt;1TB didn't work.</span>
;Conclusion: <span style="color:red; background-color:white;">&gt;1TB didn't not work.</span>


===== Using Factory Service Mode - when trying to install a 1.5TB 3.5" drive as internal (using an eSATA cradle) FSM =====
===== Using Factory Service Mode - when trying to install a 1.5TB 3.5" drive as internal (using an eSATA cradle) FSM =====
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** Preparing Update counts to 100% and then halts (does not reboot), just like in first trial.
** Preparing Update counts to 100% and then halts (does not reboot), just like in first trial.
* Manual poweroff and reboot just results in blank screen with no harddrive activity
* Manual poweroff and reboot just results in blank screen with no harddrive activity
;Conclusion: <span style="color:red!important;">&gt;1TB didn't work in normal or recovery mode only with FSM enabled.</span>
;Conclusion: <span style="color:red; background-color:white;">&gt;1TB didn't not work in normal or recovery mode only with FSM enabled.</span>
===== Going back to the 1TB and crosschecking =====  
===== Going back to the 1TB and crosschecking =====  
* Replacing drive back to the working 1TB (has 3.55 on it) gives prompt to reinstall 2.70, doing so errors out with "Harddrive Error 0x8002F281".
* Replacing drive back to the working 1TB (has 3.55 on it) gives prompt to reinstall 2.70, doing so errors out with "Harddrive Error 0x8002F281".
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  MAX Address      xx:xx:xx:xx:xx:xx
  MAX Address      xx:xx:xx:xx:xx:xx
  Free Space      827GB / 931GB
  Free Space      827GB / 931GB
;Conclusion: <span style="color:green;">&lt;=1TB works fine in all modi.</span>
;Conclusion: <span style="color:green; background-color:white;">&lt;=1TB works fine in all modi.</span>


=== maximum size external drive ===
=== maximum size external drive ===
Maximum size is 2TB.
PS3 can only read drives using MBR (Master Boot Record) partition table.
MBR maximum drive size is 2TB (with up to 4 partitions).
PS3 cannot read drives using GPT (GUID Partition Table).
GPT has maximum drive size around 256TB, although in practice it may get tricky beyond 15 TB.
<pre>External HDD : You can format it to any size up to 8TB
<pre>External HDD : You can format it to any size up to 8TB


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----
----
== Tests increasing the max HDD capacity supported by the firmware ==
Successful 2Tb installation confirmed personally. (warning: "restore filesystem" a.k.a. "filesystem check" was not tested. Without this function the hdd will cummulate filesystem errors up to a point where the PS3 will welcome you with a warning message telling "the hdd needs to be formatted" and you will lose all the contents of it)
*HDD was Toshiba MQ01ABB200 and PS3 was CECHK04
*Flashing to 4.46 OFW and reducing 2Tb hard drive to 3633537126 sectors via "hiding" rest via HPA on PC (formatted first to FAT format on MAC a whole device and GPT instead MBR) with HDAT2 so PS3 sees its as 1732.6GB Hard Drive and did succeed formatting.
*After 4.46 you can upgrade to latest 4.82 Firmware back and continue using it. 4.82 firmware says after HPA sector hiding that it is "unsupported" but 4.46 doesn't and can format it.
Pictures of some of this of my personal confession and proof:
[https://twitter.com/XantheFIN/status/1022873742538682368]
Original info i used to confirm:
[http://www.psx-place.com/threads/ps3-1-75-tb-internal-hdd-upgrade-formatting-utility.11989/#post-100471]
Note from another tester :
While the above seems to work, using 4.46 to allow 1.75tb leads to errors after saving a few games : the console stalls, then takes forever to recover (if it recovers). I tried reducing to 1.5Tb, and none of the errors show up.
What's misleading is that 1.5Tb is in fact recognized by 4.82+, even with HPA.
I think the safe way to get the max capacity is to use HPA, but stick to something between 1.5Tb and 1.75Tb and make sure it's recognized by 4.82+. It means downgrading to 4.46 is not necessary (and mostly misleading).


== AES-256-CBC versus AES-256-XTS ==
== AES-256-CBC versus AES-256-XTS ==
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  Fat(NAND), 1. layer(ata)    -> aes-cbc-192, ata_key1 IV = 0
  Fat(NAND), 1. layer(ata)    -> aes-cbc-192, ata_key1 IV = 0
            2. layer(vflash) no vflash
          2. layer(vflash) no vflash
          
          
  Fat(NOR),  1. layer(ata)    -> aes-cbc-192, ata_key1 IV = 0
  Fat(NOR),  1. layer(ata)    -> aes-cbc-192, ata_key1 IV = 0
            2. layer(vflash) -> aes-xts-128, encdec_key1 and encdec_key2, tweak = physical sector number on hdd
          2. layer(vflash) -> aes-xts-128 encdec_key1 and encdec_key2
          
          
  Slim(NOR), 1. layer(ata)    -> aes-xts-128, ata_key1 and ata_key2
  Slim(NOR), 1. layer(ata)    -> aes-xts-128, ata_key1 and ata_key2
            2. layer(vflash) -> aes-xts-128, encdec_key1 and encdec_key2, tweak = physical sector number on hdd
          2. layer(vflash) -> aes-xts-128 encdec_key1 and encdec_key2


==Experimental Tables==
==Experimental Tables==
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Experimental attempt to recover deleted files from gameos partition: http://playstationhax.it/forums/topic/826-recovering-deleted-save-games-eid-dumper-troubles-mounting-the-encrypted-ufs2-filesystem/
Experimental attempt to recover deleted files from gameos partition: http://playstationhax.it/forums/topic/826-recovering-deleted-save-games-eid-dumper-troubles-mounting-the-encrypted-ufs2-filesystem/


===Speed tests running in PS3 natively===
===Speed tests running in PS3 nativelly===


{| class="wikitable"
{| class="wikitable"
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Uses 3.5" (size) hdd's
Uses 3.5" (size) hdd's
*DECR-1000 - 2x Seagate Barracuda ST3400820A6 (7200.10 400Gbytes [email protected] [email protected])
*DECR-1000 - 2x Seagate Barracuda ST3400820A6 (7200.10 400Gbytes [email protected] [email protected])
=Firmware Patches=
==emer_init==
Patch to increase acceptable HDD capacity for error "''The installed hard disk is not supported. You must install a hard disk that is compatible with this system''." Without patch recovery will throw this error when hdd capacity is above 1,649,267,441,664 bytes. With patch error will be shown for hdd above 2,130,303,778,816 bytes. 1,75TB limited drives should be accepted again. Untested on real hardware, use with caution (hw flasher required)! Sorry for short hex pattern, but it should be ok for manual patch (4.75 in this case).
*Search for:
38 00 01 80
Replace to:
38 00 01 F0
For full 2TB replace to (There are likely other factors which will fail):
38 00 02 01
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