Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
@mferna14
thanks , serial ,re-edited in post\
\sn:c02nc88mg086
thanks in advance
@mferna14
thanks , serial ,re-edited in post\
\sn:c02nc88mg086
thanks in advance
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Here you go with your serial # C02NC88MG086 provided & for EMC 2632. ME Region cleaned & Serial Number Updated.... Good luckComment
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MacBook Air A1466
820-3437-B please clean me biosComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
You did not take the backup correctly... Kindly use the correct tools to read the BIOS well. Nothing there on this zip file... If you cannot do, just provide Serial # & the EMC # on the back of the cover. Will do it for youComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
S/n c02n6ee3g085Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Here you go.. with your EMC & Serial # update... Report pls. if all works fine. ThanksComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Problem somewhere else, check all power rails in sequence... You are surely missing one rail or a Liquid spill/corrosion on a component. I have a similar problem like this & there was a corrosion on one of the resistence near the SMC.. Check carefully under the MS.Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
File Type: rar a1466+9.5.3.1526+outimage.rar (3.88 MB, 258 views)
not okComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Good afternoon.
I really need help. The problem is as follows:
I bought a laptop, it was on a password (not EFI) and on icloud, the SSD worked, everything was fine, but on a password (. A friend said that the BIOS firmware would solve the problem. I downloaded it somewhere, flashed it and the laptop didn't turn on. The old BIOS firmware was considered incomplete and became non-working. I found firmware 118.0.0.0.0 in this branch (and tried 117.0.0.0.0) (a1466+9.5.3.1526+outimage.rar ), changed the serial number according to the instructions. Flashed, there are no passwords, but does not see the SSD. The disk is working. I put another working disk - also does not see (. What could be the problem? Maybe the firmware didn't fit me? The external disk sees via USB, I boot up, the internal disk does not see in the Disk utility (. mac OS put Maverik, BigSur on the external disk, it did not help ( SMC and PRAM have already been reset 50-60 times (. Nothing helps (. HELP, PLEASE. What did I do wrong?
so, I have a MacBook Air 6.2 13 2014, 820-3437-B EMC 2632, MD760RU
s/n: C17MLQY7G085Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
@ ViLex., dear we are here to help you out till the end, no worries. Try this updated file, I have re-programmed the BIN file according to your serial number & CleanMe done. Try it & inform us.. ThanksComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
no, it didn't help (. The disk also does not see
Attached Filesif you find these attachements useful please consider making a small donation to the site
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
What disk do you not see, though all this is scripted in Russian, I see all your drives, What do you want to do next??? I see you SSD/HDD & media drive, all seems to be ok. Just inform us what you want to do next... This is not a BIOS error, BIOS is ok.Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
the laptop is loaded from an external ssd, the internal drive is not visible. Power is supplied to the internal disk, the internal disk is original, working (I checked Air on another and formatted it into the GUID Partition Scheme). In the photo you and I see only an EXTERNAL diskComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
I checked the photo very carefully & I see both disk, DISK 1 & DISK 2.... I think show it to a professial who know the Apple OS he will fix for you, your BIOS is working 100% perfectly, Just some software problem which I cannot figure out. Just show it to a person who know Apple OS & he will resolve your problem hereaffter.Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
I have an external SSD, it is divided into several disks, they have Maverick, High Sierra, Catalina, Big Sur OS installed on them. I understand how macOS works and unfortunately the internal disk is not visible. In the photo you see only the Kingston external drive and the OS loaderComment
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I received a 2013 Macbook Air A1466 820-3437-B motherboard with serial number C02L6GQ9FSV8 that came in WITHOUT a bios chip. I got a new bios chip and reprogrammed it. Macbook now powers on but doesn't boot the SSD. I've flashed a ton of bios but still same problem. Windows installation works with this Macbook but never a mac installation. Unfortunately, since I didn't receive this macbook with a bios chip, I don't have the original bios. What can I do now?... -
Hi everyone
I noticed on the Xgpro software the BIOS backup files have extra bytes at the end when reading some chips, this is because the Xgpro software also reads the OTP region of those flash chips, and by default will append that region to the saved file
Programmer models: XGecu TL866II Plus / T48 / T56 / T76
Example: GD25LQ128D (1.8V), IC size is listed as 0x1000000 Bytes (16777216 bytes) + 0xC00 bytes, those extra 0xC00 bytes will be appended to the end of the saved file by default, resulting in a file size of 16780288 bytes
There's also an extra OTP Secu.R... -
Hello all,
Working on my wife's 13' Macbook air. It's been in a box since she upgraded but I figured it could be good practice.
Details:
Macbook 13' A1466
Board (820-3209-A)
Battery OEM 7.3v 50Wh 6700 mAh (020-7379-A)
Pictures below of Boardview and schematic...
I don't know how to test the voltage on a MacBook battery. I just assumed it had an enable pin but the best I could read was 300 something mV poking around the battery connector.
It's an older model and it is very likely that battery has become... -
I need dump file for nand A2159 512GB with 2 Nand chips >.I upgraded 128gb to 512gb..I use P13 there are only 4Chips...
I need dump file MACBOOK PRO A2159
TSB4232(256)
TSB4229(256)
Thanks​ -
Hi all,
i got a A1466 with serious water damage. I was able to clean the whole board and only found a fuse with a coroded trace. Cleaning and resoldering did the job and the macbook started normal but after some time the screen began "flashing" like turning on and off while the Macbook was still running. I checked the board again but was not able to find the problem until now.
Any ideas where to look?...
Comment