Factory code "DGK" in iMac serial numbers?

[MortyMars]

Hi everyone,

I own two iMacs manufactured in the second half of 2019, and both serial numbers start with the prefix DGK.

I know that with Apple’s pre-2021 serial number format, the first three characters usually indicate the factory where the machine was assembled. For example, prefixes like C02 are well-documented (Tech Com/Quanta, China).

However, I haven’t been able to find any reliable information about what factory DGK corresponds to. It does appear in some old lists of factory codes, but without a clear location or manufacturer.

Has anyone else here got an iMac (or any other Mac) with a DGK serial prefix, and do you know which factory it refers to?

Thanks in advance for any insights!

 

[Mr.Ben]

There's a thread from a couple of years ago which might be helpful - shows you how to work out the codes:
Decoding Apple serials (where & when hardware was assembled) 1983–2021; and Apple Model Numbers, 1977–present
👍

 

[MortyMars]

Thank you @Mr.Ben for the speed and precision of your answer that hits the mark 👍
That's quite what I wanted

So I discover that my 2019 iMacs were born in Cork - Ireland, which in my opinion is a guarantee of a long life...

I will put this post warm so that I can refer to it in the future

 

[MortyMars]

Hi,

I have a subsidiary question of pure curiosity about the life of one of my two iMacs.

OSquery indicates that it was assembled on 08/13/2019 and Apple indicates that it was purchased on 08/07/2019!!??
I suspect that the date of manufacture is approximate to within a few days, but it remains very close to the date of purchase anyway.

How is this possible?
And besides, how does Apple determine the purchase date? ...knowing that I don't know it myself since I bought the used iMac...

Thank you for your lights

 

[PaulD-UK]

I too have a 2019 iMac 27” with DGK serial prefix, bought new.

I think the Cork factory only builds build to order Macs, so the purchase invoice would come first, then the required final specs would be assembled into a part built iMac.
The serial number to match the invoice was programmed into the logic board and etched onto the base of the stand during this process.

 

[MortyMars]

Thank you @PaulD-UK for your answer which ultimately seems very logical in a context of custom manufacturing 👍👍

 

[MortyMars]

Thread error, message deleted

 

[PaulD-UK]

"shutdown cause: -108" seems to be a memory error.

First thing to try is resetting the SMC (and the PRAM).

Is this the iMac you have been running the max CPU/GPU temperature tests?

One way to reduce high CPU temps is to take the RAM door off, as the CPU is directly behind the SODIMMS and this helps with increased airflow to cool that area.

This won't help reduce the GPU temp, as that can only get its cooling airflow from the base slots.