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=) heheh, you made me laugh! Do you have some bios for 820 2850 processor i7 with fresh ME? The last file i was post on google drive it's the original file of the board. Medusa it's able to check if the file is good?

"Did you change C9560???" This is the first thing i do in these models 8020 2850! The file uploaded on google drive it's the original one i was read! Need help to build a new bios!

I don't know how is it possible the previous bios to be clean! If i read from a working machine.. in this case the machine it's mine i bought from a client! History: 1st the machine didn't show image. I Replace the graphic chip with one i had used and the mac start working well! Whiling...

i forgot to mentioned that i I had already measured the SCL/SDA ... and seems OK! i have learned from you.. SMBUS_SMC_5_G3_SCL - 0.492V SMBUS_SMC_5_G3_SDA - 0.492V i will order a 3437 board and replace the SMC! And after that i will post the results! thanks

Hey guys, working on 820 3437 board, apparently no signs of liquid or kind of stuff and no components knock off. This one sounds like a SMC problem. PPBUS - 8,23v SMC_RESET_L - 3.4V already did the SMC dancing with Flux, already replace U7100 for a new one.. No changes.. My question is...

hello, when it's possible please help me! Thanks

Not needed for today. thanks

Hey 2informaticos! I think it not be necessary to open another post. i need help with another machine with bios problem! This machine shuts down after 1 - 2 minutes. I already try the bios that you post on top and the machine works fine keeping on but with some bugs!this on the processor it's...

sorry my mistake! bad understood last phrase! i have LBE and the program do this for me easy! i was spoke with the owner of program and he sad on next update he will add FSYS check sum in LBE. i will test the machine with the bios and after that will post the result! thanks

Can you build another one with serial i want ?? thanks

yes Mr.Vali! i'm sure. yesterday i also had the machine on all day and never failed with the bios i sent. today i read the bios again: https://drive.google.com/file/d/1KTsCkxD9p3EfFCXpOlnoUfdevaR_PHAa/view?usp=sharing S/N wanted: W8013T8GAGU Can you try again with this bios please? thanks

guys i'm member of this group since 2016! i did repair many boards equals with C9560 problem! did not know was that it is not advisable to use hot air! 1rst think i did on this board was replace C9560! Now, i know this board work perfectly with original BIOS! But with the bios that...

bios already programmed! It work's well but i will test 1-2 days more because with other bios it work's to but some times the machine goes down with karnel panics! After that i will post the result! thanks you Mr.Vali . Good weekend

original file off the board: https://drive.google.com/file/d/1uujpSPkK1AWtabUAG2E9GxeeHioPwrG8/view?usp=sharing S/N wanted: W8013T8GAGU thanks

Hey, anyone have a bios with clean me and fixed checksum of the Fsys block? i need to change a serial number off this board. but this particulars boards not only changing the serial that solves the problem. anyone can help me? thanks

I always have 3.3V on SMC_LID! while giving image and when it goes to suspension mode! The system can't wake up, i only have black screen with backlight! it's suppose to be always 3.3V on SMC_LID ? thanks

Hi, This one came for me with a blown U3100. i replace for a new one and i was needed to made 2 rails pin 94,83 and pin 93. Now it work's perfectly unless when the machine enter in suspension mode. when i press 1 key to went to normal, only show black screen.. But i know that it work's but...

Ya this one work perfectly unless pen divers, external mouse etc... but i will give up this one! Don't will wast time with this one! thanks guys post can be closed

Hey guys, working on 820 00045, and this one can't read pen's, keyboard etc. but charge the battery! This mac don't have signals of water or knockout components... I'm the first one to open it! I don't do anything yet on this board and need a opinion before. one time i already repair a...

with my power supply connected to the board and when it don't turn on, the power supply consume 0.070A and i have this signals: PP3V42_G3H = 3.4V PP5V_S5 = 5.1V PP3V3_S5 = 3.3V PP5V_S4 = 5.1V PP3V3_S4 = 3.3V PP3V3_S4_AP = 3.3V PP3V3_ENET = 3.3V PPVDDQ_S3_DDR = 1.3V PP5V_S0 = 5.1V PP3V3_S0 =...