ASROCK X570 TaiChi - post code 4d. No post. Awesome OC support

LordFeste

LordFeste

LordFeste

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8 Jul 2007
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Thanks to Overclockers for a totally no fuss, no nonsense RMA procedure under lockdown.



Turned on the PC this morning. It started up, but did not give signs of usual procedures, monitors, USB etc. I restarted. Nothing. Pushed the side panel off my case. Checked the code on the LCD display. "4d".

Started what I thought was a fairly sensible series of testing, unplugging power and waiting for board to discharge.

1) Unplugged all USB and monitors. - result 4d

2) Unplugged power, reset CMOS - result 4d

3) Took out one RAM stick - result 4d

4) Swapped the RAM stick to B2 socket - result 4d

5) Swapped in the other RAM stick to A1 - result - went in to a auto restart cycle.

6) placed the single RAM stick in to B2 - result 4d

7) placed a stick of Corsair Dominator 2400 1*8GB in to A1 (this RAM known to be working on another system)


Spec -
CPU: 3900x
MOBO: MSI X570 TaiChi.
Ram: 2*16gb Viper Gaming Steel 3200mhz
Graphics: Zotac 1080ti AE
Power supply: Seasonic

System has been stable since install in September 2019.

Apparently, 4d that's a "4D - OEM post memory initialization codes" issue. Further searches suggest from other's experience that there is some possibility with a CPU issue.

OCuk suggested that its either the memory controller on the CPU or the motherboard itself. Should be an easy test because it's not posting. OCuk requested that it gets boxed up with CPU in-situ. Support booked in a DPD pickup return tomorrow arriving Wednesday with OCuk.

adding to forum here in case it's useful for anyone in the future searching the 4d post code from Dr Debug's BIOS codes, and also to say thanks to OCuk for a hassle free set up of an RMA.

Will post any updates if it adds anything which could help future searches with similar issues to the above.
 
CPU is fine and is being returned. OCuk have sent off the mainboard back to ASRock for repair or replacement, so I'm SooL for the foreseeable future. I'm now in the hands of ASRock's repair centre, which I'd be surprised to learn is in the UK somewhere or otherwise with a reputation for a speedy turnaround. We'll find out soon (or not)....

AsRock support responded to a ticket I raised on the same day I contacted OCuk. ASRock got back to me yesterday with:

"Please use the ClearCMOS jumper to reset the CMOS

- Switch off Power first

- Press power button to discharge

- put a jumper cap on the clrCMOS jumper. You can also use a metal object to connect the 2 pins.

- Wait around 10 seconds

- Remove the jumper cap

- Switch on power and start the system. The system might restart automatically a few times. Please give it a minute.

if this does not help then please remove the 1080ti and test again".

I don't know if that would have made any difference. I assume that OCuk tested the mobo and would have gone through all of that to avoid the hassle of returning it to ASRock. I guess it's just a duff mainboard. I posted the above for anyone searching for help on the forums in the future. Save waiting a few days for ASRock to respond via their online web ticket system.
 
Last edited:
More than two weeks on.

ASRock don't have the board in their pipeline anywhere.

Hopefully it's still accounted for, sitting somewhere in the UK, waiting shipment.
 
Board finally received by ASRock Monday 29th June. They found a fault. They should have (by now) issued a replacement which will go back through the supply chain which will take as long as it takes. So now it's a case of following OverclockersUK advice of playing the waiting game.

Really frustrating. This started on June 1st. It's now the 2nd of July. I've been without my PC for over a month. I'm using old parts as a backup. And I've no idea how long it will take until I have a working ASRock TaiChi x570 board and the CPU and RAM sitting waiting as my main PC.

Overclockers and ASRock have been responsive and answered questions, which I'm grateful for, but the lack of detail of knowing where, when and how long the process and each of the stages take is a far cry from the slick start of the RMa process, or indeed the initial sales experience.

I don't know how this compares directly with others' experiences of RMA with OverclockersUK or ASRock, but it's far from the best, and better than the worst, of my RMAs elsewhere.
 
Is this a saga yet?

DPD contacted me last night to say that delivery of the replacement part would be today (7th July). Tracking the parcel ID on the DPD app says on the parcel hasn't received the parcel yet from OverclockersUK.

my guess is either someone has half-inched it, or it's caught up somewhere else.

Either way, I'm looking forward to not having to think about this any more.
 
Received. Finally. 38 days from the initial logging of the RMA to getting a replacement back in my hands. Will install asap.

Why is the process so slow?
 
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