Z370 Taichi : issues with 2x RAM DDR4... no boot

Guest · Mar 23, 2018

Description

Hi all !

I have an issue with the Z370 TAICHI and my RAM.

I have 2 x RAM from TEAMGROUP (8gb DDR4 3200mhz - cl 14/14/14/31 1.35v) and the dual channel doesn't work.

(8700K delid by CaseKing.de - 4,8 Ghz Pro edition)

Bios : 1.60 (last, no beta)

W10 x64

2x 8Gb DDR4 3200 mhz (TeamGroup - 8Pack edition)

So I test :

1x RAM (Memory device) on the DDR4_A2 (the second from the left) : work

but !

1x RAM on the DDR4_A2 + 1x RAM on the DDR4_B2 (the fourth from the left) : error !

The MB code error : 4C 00 15

If I remove the RAM on the DDR4_B2 its work...
Thanks for advice(s)

b0u

alexoiu · Mar 23, 2018

Try testing each RAM slot on the board with single RAM. See if all of them working.

Guest · Mar 23, 2018

Hi alexoiu,

I test every slots.

1 2 3 4 (left to the right)

Thanks.

alexoiu · Mar 23, 2018

Hi, Did they work?

Guest · Mar 23, 2018

Sure but the bios can't boot with 2 on them

On the Z370, sticks must go to, in priority, on the 2 and 4 channels/slots

When I plug 2 sticks : error bios : 4C 00 15

With 1x stick : OK ! (on the 2nde slot)

So I can run my setup (i'm on it!) with only one stick on the 2nd channel.

Thanks

alexoiu · Mar 23, 2018

If leaving single RAM installed and inserting it in the 4th slot let's say, does the system POST?

Guest · Mar 23, 2018

Here the QVL list for the RAM:

https://www.teamgroupinc.com/en/catalog/act.php?act=1&index_id=182

(but isn't the good product)

arghhh

Guest · Mar 23, 2018

OK, I've tested:

only stick on 4th slot = error BIOS : 4C 00 15

So I put the stick on the 2nd slot = OK

alexoiu · Mar 23, 2018

Remove the CPU and take a picture of the CPU socket. Upload the picture on imgur and post the link here.

Guest · Mar 23, 2018

Thanks for ur quick reply

I waiting ideas from overclockers.co.uk, ASRock and TeamGroup (RAM).

alexoiu · Mar 23, 2018

No problem.

Guest · Mar 23, 2018

OK,

answer from AsRock :

"Hello,

because memory controller is built in CPU, there can be a problem with it or CPU socket.

Please check following:
- remove CPU and check if there is any pin bended or broken in CPU socket.
- use CLRCMOS jumper on mainboard to re-set BIOS to default. See manual for more details.
- test if possible the CPU + memory on another system if they are working well.
- remove the mainboard from chassis and test again. Maybe a short-circuit from chassis to mainboard?

A defect on the hardware itself is still possible. Please contact your dealer for further help."

alexoiu · Mar 23, 2018

"remove CPU and check if there is any pin bended or broken in CPU socket."
Try taking a picture of the CPU socket and posting it here.

Guest · Mar 23, 2018

Ok
CPU remove
I don't see broken pin

Pictures (3) here: https://imgur.com/a/vR6mg
(the quality is not good hehe)

Guest · Mar 23, 2018

I go with a memtest right now ,)

alexoiu · Mar 23, 2018

Pins look ok. Have you tested again after reinstalling the CPU and still not working?

Guest · Mar 23, 2018

Memtest Pass OK (12 tests) with 1 stick
I will try with 2x RAM.

thanks guy!

alexoiu · Mar 23, 2018

No problem. Did it work?

Guest · Mar 23, 2018

Re,

No works

damn... haha

Memtest : OK (with 1 stick test + 1 stick test) 0 errors on the both sticks...
hum... the MB is the issue ? The RAM ?

I reply to others to see...

alexoiu · Mar 23, 2018

What if using the RAMs in slots 1 and 3?

Guest · Mar 23, 2018

error with slots 1 & 3

if i read the manual,

dual channel:

priority 1 : DDR4_A1 : blank
DDR4_A2 : populated

DDR4_B1 : blank
DDR4_B2 : populated

priority 2 : DDR4_A1 : populated
DDR4_A2 : populated

DDR4_B1 : populated
DDR4_B2 : populated

alexoiu · Mar 23, 2018

I'd try testing different memory kit.

Guest · Mar 23, 2018

yes i've test with my i7 6700k another system

kit : HyperX HX424C12SB2K2

error with 2 on them

OK with one stick

so its the MB ?!

alexoiu · Mar 23, 2018

Motherboard, or CPU. I'd RMA them both. Try also testing the board outside the case.

mgaltanas · Dec 28, 2018

Hi there, i have the same problem with my pc also, the pc was running without any problems for about 10 days. Yesterday my pc didnt boot and it does boot only when 1 of my RAMs is on. Did you find s solution to your problem?

Z370 Taichi : issues with 2x RAM DDR4... no boot

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