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E3800 CPU hung code 2A problem

EChan3
Beginner
1,746 Views

hi

i try to boot with 2 SO-DIMMs with E3800 series in the same MB.

i get a problem with DDR training.

use E3825 with 1 SO-DIMM can boot normally.

use E3826 with 1 SO-DIMM can boot normally.

use E3826 with 2 SO-DIMMs for dual channel can't boot. debug code hung "2A"

use E3845 with 1 or 2 SO-DIMMs can't boot. debug code hung "2A".

i don't know some thing wrong with my BIOS.

please tell us how to fix.

thank you.

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4 Replies
AlHill
Super User
623 Views

What motherboard?

What operating system?

Have you contacted the motherboard manufacturer (it is their board and bios producing the error)?

Doc

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EChan3
Beginner
623 Views

this is ODM MB, and the MB can't boot so it's have not entry the OS.

those SOCs had different result with stop code.

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AlHill
Super User
623 Views

Have you contacted the motherboard manufacturer (it is their board and bios producing the error)?

Doc

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EChan3
Beginner
623 Views

thank you remind, we find the root cause.

the DDR VTT power is too weak, so it will be cause the SOC can't boot with 2A.

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