I am seeing a collection of 2D barcodes present up on the logic board of MacBooks in restore and teardown movies. Does Apple and its suppliers uniquely establish their chips, PCBs, and elements utilizing distinctive IDs?
Can an individual depend on these codes to verify in the event that they took their machine to say a restore store that they acquired again the identical {hardware} that was despatched out?
Logic Board
Here is an instance of a 2D barcode exhibiting up on the logic board PCB.
The figuring out textual content subsequent to the code on a logic board reads as
C02220700
EA02K4 AW
OEO 3.5G 32G
I scanned that barcode off a screenshot utilizing a Zebra DS22 barcode scanner, which learn the barcode as J02220700>A02T4A<.
Wi-fi Module
Here is an instance of a barcode printed on a Wi-fi Module
My scanner learn the code as 21031805010421120880083035, a 26 character quantity the place the final 8 digits are additionally printed on chip packaging.
USI
339S00758
80083035
(Apparently it is a Apple USI 339S00758 – Wi-Fi 6/Bluetooth 5.0 module; see additionally
MacBook Professional community card)
Flash NAND Chips
Here is an instance drawing from some silver packaged Flash NAND chips used for the arduous drive. There’s different barcoded elements seen on picture as nicely, two of which my scanner was capable of learn, although the readability was missing I assume there’s typos (Apple’s M3 MacBook Air Options Two NAND Flash Chips, Ensuing In Sooner SSD Speeds In contrast To The Single Chip Used On The M2 Model)
