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=boot modes=
=boot modi=
Besides the normal "retail" bootmode there are several other modes the console can boot or halt in:
Besides the normal "retail" bootmode there are several other modi the console can boot or halt in:


== Fan test ==
=== Fan test ===
The "fan test" mode allows to clean out the dust inside the PS3. When the PS3 boots in this mode the fan starts spinning in opposite direction and at 100% speed for a few time. Is reported to work for PS3 Models CECHG and newer, as shown in [[Thermal#Fan_settings_per_PS3_model_based_on_syscon_data_reads|this table]]


*How to enable fan test mode
* With the PS3 power switch in the off position, turn power switch back on while holding down Eject button. This "fan test" mode allows you to clean out the dust inside the PS3. It works for Models CECHG and higher. (Note that a plugged in PS3 Slim does not have a power switch at all and is always in standby).
**Turn power switch to the '''OFF position''' (at the back of PS3 Fat), or '''disconnect the main power cable''' (at the back of PS3 Slim and SuperSlim)
**Press and hold {{buttoneject}} button in the [[Switch_boards|Switch board]]
**Turn power switch to the '''ON position''' (at the back of PS3 Fat), or '''connect the main power cable''' (at the back of PS3 Slim and SuperSlim)
***The PS3 boots doing a lot of noise from the fan (dont panic, is normal and doesnt last for much time), at this point you can release the {{buttoneject}} button


== Other special modes ==
=== Other special modi ===
The following requires the power switch in the back to be on:
The following requires the power switch in the back to be on:
* Hold {{buttonpower}} button down for 6 seconds (while PS3 is on): turns off PS3.
* Hold Power button down for 6 seconds (while PS3 is on): turns off PS3.
* Hold {{buttonpower}} button down for one beep<sup>1</sup> (while PS3 is off): Reset video to lowest settings.
* Hold {{buttonpower}} button down for two beeps (while PS3 is off): Enter PS3 diagnostic mode (repeat procedure twice)


* Hold {{buttoneject}} button down for 6 seconds (while PS3 is on): force disc to eject.
* Hold Eject button down for 6 seconds (while PS3 is on): force disc to eject.
* Hold {{buttoneject}} button down for 12 seconds (while PS3 is on): reset Blu-ray.


* Hold {{padps}} button down on controller for 10 seconds: Turns off Sixaxis or Dualshock 3.
* Hold Eject button down for 12 seconds (while PS3 is on): reset Blu-ray.


<small>1: beeps means beeps within a sort succession and exclude all previous ones and the power-on beep</small>
* Hold Power button down for two beeps (while PS3 is off): Reset video to lowest settings.


== JIG / Factory Service Mode / manufacturer ==
* Hold Power button down for three beeps (while PS3 is off): Enter PS3 diagnostic mode (repeat procedure twice)
* The PS3 can enter a special "Service Mode". When it does (and can boot harddrive/dev_flash) the bottom right hand corner of the screen has a red translucent rectangle with the words "Playstation 3. Factory/Service Mode" inside of the rectangle. When the PS3 is off, plugging a special "JIG" in the USB port (and then pressing Eject immediately after pressing the Power button), the PS3 is triggered into Service Mode when it boots up. This special mode then accepts firmware code loaded in from the USB port (PS3UPDAT.PUP), and allows reflashing the firmware chip, or running programs from a USB drive.
* When on Factory Service Mode you cannot access the browser or leave the mode without an exit self and the console needs to be compatible with the exit self


See also: [[Downgrading with PSgrade Dongle]] and [[Remarry Bluray Drive]] which uses this mode.
* Hold PS button down on controller for 10 seconds: Turns off Sixaxis or Dualshock 3.


== LED Diag Mode ==
=== JIG / Factory Service Mode / manufacturer ===
* The PS3 can enter a special "Service Mode". When it does the bottom right hand corner of the screen has a red translucent rectangle with the words "Playstation 3. Factory/Service Mode" inside of the rectangle. When the PS3 is off, plugging a special "JIG" in the USB port (and then pressing Eject immediately after pressing the Power button), the PS3 is triggered into Service Mode when it boots up. This special mode then accepts firmware code loaded in from the USB port (PS3UPDAT.PUP), and allows reflashing the firmware chip, or running programs from a USB drive.
 
=== LED Diag Mode ===


I have found what I think is a diag mode that displays error codes using the power button light, kind of like what an OBD-1 ECU on a car would do. To activate it you have to do a fan test and wait until after the ps3 powers off(this much I am sure of) then you have to press eject and then power rapidly many times in succession also try holding eject and pressing power. Once you enter this mode the power light will flash yellow for about 1 second then the status of 4 component's(which ones I don't know) within the ps3 will be displayed by the power light blinking 4 times for each 4 component's. Then the yellow light blinks again letting you know the cycle has started again.
I have found what I think is a diag mode that displays error codes using the power button light, kind of like what an OBD-1 ECU on a car would do. To activate it you have to do a fan test and wait until after the ps3 powers off(this much I am sure of) then you have to press eject and then power rapidly many times in succession also try holding eject and pressing power. Once you enter this mode the power light will flash yellow for about 1 second then the status of 4 component's(which ones I don't know) within the ps3 will be displayed by the power light blinking 4 times for each 4 component's. Then the yellow light blinks again letting you know the cycle has started again.


*On my bricked slim (CECH-2501B) the first sequence of 4 is: green red green red.  
*On my bricked slim the first sequence of 4 is: green red green red.  


*On my working slim (CECH-2101B) the first sequence is: red red red red.
*On my working slim the first sequence is: red red red red.


*On my other working slim (CECH-3001A) the first sequence is: red red red red.
*On both consoles the next 3 sequence's, are all red.
 
*On all three consoles the next 3 sequence's, are all red.


So it seems that red=good and green=bad.
So it seems that red=good and green=bad.
Also I removed the Blu-ray drive on my bricked slim and the codes did not change.
Also I removed the Blu-ray drive on my bricked slim and the codes did not change.
sorry I don't know more about this.
sorry I don't know more about this.
Update: 7-27-2012
I have now bricked the CECH-2101B and it also displays green red green red as the first sequence of 4


Anyone with a ylod console please post their symptoms and result of this test
Anyone with a ylod console please post their symptoms and result of this test
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Blu-ray drive is not a core part of the system, it will boot without it just fine.
Blu-ray drive is not a core part of the system, it will boot without it just fine.


Cannot seem to get led diag to work on CECHA fats, don't know what FW version (because requiring fan test , available only for Models CECHG and higher?).
Cannot seem to get led diag to work on CECHA fats, don't know what FW version.


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Update:
LED Diag mode only works on the 21xx, 25xx, and 30xx models, in order to access this mode on those models, you need to enter the fan test mode by having the console unplugged, hold the eject button and while holding it, plug the console back in, this will start the fan test.  Once the Fan test has ended, you will need to press the power button 3 times, then the eject button three times, then the power button twice, this will make the console enter LED Diag Mode.  The sequence will start with a yellow light and then display a green or red light in a sequence of 4, green means 0 and red means 1.
For example if you have Green Green Red Green, this will give 0010, then the second sequence is Green Green Green Green will give 0000, then the third sequence is Green Green Red Green which is also 0010, then the fourth sequence is Green Red Green Green, this will give 0100, then it will display a yellow light again and the sequence will repeat.  This is giving the last error code syscon had if it got the YLOD/NoLOD.  This is being given in binary, so if you convert those numbers to Hexadecimal you will get 2024.  Now for the letters it will also be in hexadecimal, for example F will be Red Red Red Red or 1111 and B will be Red Green Red Red or 1011. So if you get a sequence and it doesn’t convert to a single digit number from binary, then try converting it from hexadecimal to decimal and it should work.
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'''O'''n '''B'''oard '''D'''iagnostics: http://en.wikipedia.org/wiki/On-board_diagnostics
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== Errors on boot ==
crossreference: [[Boot_Order#References|Boot Order::References]] + [[Components]]
Error output in order of appearance and likely suspects:
===NoLOD===
NoLOD - No Led of Death
* Failure in the hardware_init stage. Suspects: Power disconnected, switch off, [[Power Supply]], 12V fuses
*Misc: [http://www.psdevwiki.com/ps3/File:Flat_Flex_Ribbon_Cable_10pins.png Faulty Ribbon Cable]
*The PS3 models with the model numbers 25xx onwards do not show a typical YLOD, they instead will turn on and once an error occurs, it turns right back off, and then will report said error to syscon.  This is also known as the NoLOD.
===Solid Red===
Solid Red - Powered Standby mode
===Solid Green===
Solid Green - Powered On.
===Solid Blue===
Solid Blue - Disc present in [[Bluray Drive]]
===Flashing Blue===
Flashing Blue - Disc inserted in / being ejected from [[Bluray Drive]]
===YLOD===
YLOD - Yellow Led of Death (Flashes Green, Yellow then Red)
* Failure in the hardware_init stage. Suspects: [[RSX]], [[CELL BE]], [[RAM#Main_System_Memory|XDR Ram]], [[RAM#Main_System_Memory|GDDR Vram]], [[Syscon Hardware|Syscon]], [[South Bridge ]], [[Starship2]] (if NAND [[SKU_Models|SKU]]), [[Flash (Hardware)|NAND/NOR Flash]], [[Power Supply]], [[Protection|Fuses]], [[Regulators]], Cooling/Fan
* Only occurs on the A Models to the 20xx model slims (the 21xx doesn’t show a yellow light but has the same sequence).
If you ground out [[Hardware_flashing#TriState_on_NAND_consoles|tristate]] on a ({{unk|NOR only}}) console with YLOD, it would GLOD instead if it is caused by bad flash (or [[Talk:Boot_modes#YLOD_remark|content of flash]]). This makes it an easy way to check if the YLOD is flash caused (most common) or RSX caused (second most common).
===RLOD===
RLOD - Flashing Red Led of Death
* Failure in the [[Iso module|loaders]] stage. Suspects: [[Flash|Flash content]]: [[CoreOS|CoreOS files]], inproper [[Lv0ldr|lv0ldr]] - pre [[VSH]].
* For 21xx slim models during the YLOD sequence, the LED does not turn yellow but the rest of the sequence is normal, this is also sometimes called RLOD.
Seen in combination with poweroff when downgrading below [[Validating_flash_dumps#Check_metldr.2Bbootldr_sizes|metldr/bootldr capability]]
===GLOD===
GLOD - Flashing Green Led of Death (or when nothing is bad: PS3 is powering off)
===RSOD===
<div style="float:right">[[File:RSOD PS3.JPG|210px|thumb|right|'''R'''ed '''S'''creen '''O'''f '''D'''eath]]</div>
Red Screen Of Death error msg "serious error has occurred"
* Failure at the firmware stage. Suspects: [[Harddrive|Harddrive]] content: [[Files_on_the_PS3#dev_flash_Device_Archives_.5B3.55_Retail.2FCEX.5D|Firmware files on UFS2 partition]].
Seen with [[Flash#cvtrm|cvtrm]] errors : [[RSOD Fix]]
<div style="clear:both;"></div>
===BSOD===
<div style="float:right">[[File:PS3-BSOD-8line.jpg|210px|thumb|left|'''B'''lue '''S'''creen '''O'''f '''D'''eath (8 lines)]][[File:PS3-BSOD-10line.jpg|210px|thumb|right|'''B'''lue '''S'''creen '''O'''f '''D'''eath (10 lines)]]</div>
Blue Screen of Death] error msg "Settings information is corrupted. Press the X button to repair and restore default settings."
* Failure at the configuration stage. Suspects: [[Harddrive|Harddrive]]/[[Flash|NAND VFlash areas]]  content: [[XRegistry.sys|Registry files on FAT16 partition]] (/dev_flash2 on [[NAND]]), VSH files on UFS2 partition (/dev_flash on [[NAND]]).
'''Examples:'''
* [[XRegistry.sys|Registry]] bad : Easy fixable by following instructions or using [[Talk:Playstation_Update_Package_%28PUP%29#PS3_Recovery_Menu|Recovery]]
* [[Files_on_the_PS3#dev_flash_Device_Archives_.5B3.55_Retail.2FCEX.5D|Dev_flash files]] integrity fail : Seen when using [[PS3MFW_Builder#more_Spoof|Spoofed]] [[Index.dat|index.dat/version.txt]] without [[Talk:Patches#Rebug_spoofer|patching VSH.self]] too (e.g. RogeroV3 -> solved in [https://web.archive.org/web/*/http://ps3devwiki.com/files/firmware/MFW-CEX/Downgrader/Rogero-V31/ RogeroV3.1])
** also seen with VSH panic related to CEX2DEX/TargetID mismatches
* Bad mounting of dev_flash : Seen when mounting improper R/W on USB ala mount alejandro
* Broken/dying [[NAND]] [[Flash]] : Caused by aging, power interuption.
* Broken/dying [[Harddrive|harddrive]] : Caused by aging, bad head/platter reads. Check with other drive.
* Broken/dying [[GbLAN|Gigabit LAN IC]] : Caused by shorting MDI pins. Network not working wired.
''If'' there is no hardware failure, reinstalling a ''proper'' firmware in [[Recovery Menu]] would likely fix it, some times requiring resetting/revalidating using the [[Recovery Menu]] suboptions.
===XMB error msg===
[[XMB]] error msg
* RSOE (red screen of error) - looks alot like RSOD, but with only 1 language and an errorcode)
* Failure after initial firmware stage. Suspects: [[Harddrive|Harddrive]] content: User specific files/settings in UFS2 partition.
{{Firmware}}<noinclude>
[[Category:Main]]
</noinclude>
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