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Sabertooth Z87 - Bios Clock Issue

Krait
Level 7
The basic problem is that the clock in the UEFI bios stops working on a regular basis.

I can remove the battery and it will restart (at least for a day or two) but it always stops again - I've tried 4 different batteries and the longest that the clock continued to work was 8 days.
It's only the clock that doesn't work (at least as far as I know) - all the other bios settings stay the same (except when resetting cmos ofc)
I've tried it at stock and OC'ed and it still persists in stopping, I've also tried using my older PSU (Seasonic 860 xp1) and the same result.

I suppose it's either a bios problem (bios 1205) or a MB fault but if anyone has a suggestion for me to try, in case it's neither of these, it would be most welcome.
🙂
Asus Sabertooth z87 - 4670k - Alpenfohn K2 - Corsair 16gb LP Vengeance - VTX 7970 - Arctic Cooling 7970 - DGM 27" IPS - Crucial 512gb/128gb/64gb M4 - Seagate 2TB - Xigmatek Elysium - Seasonic Platinum 860 XP2
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166 REPLIES 166

drogo wrote:
Hi!

I have also got a Z87 PRO V edition and I'm facing the RTC stop issue, too. Is there any certain solution yet? or when will be released the bios updates solving this issue?

Any news?

Thanks!


I also have a Z87 Pro V edition and my clock is changing as well. Did you find a solution for this? I really don't want to RMA this at it was a hassle to build the PC.

What happens with me was;
The clock is fine for around a year after build then after that it started losing time. I thought maybe it was a faulty CMOS battery so installed a new one. This worked for a couple of months then the same thing happened. I've been replacing my battery every 1-2 month since (and reloading BIOS settings each time).

I have the latest BIOS (2005) and have tried clearing the CMOS completely as well.

Wickman
Level 7
Christmas is coming in summer this year.

😄

Raja
Level 13
It's always Christmas in Sweden 🙂

Raja@ASUS wrote:
It's always Christmas in Sweden 🙂

https://www.youtube.com/watch?v=O2MFducncsg

🙂

Raja
Level 13
Look at the version number - that will tell you which build it supersedes.

Raja@ASUS wrote:
Look at the version number - that will tell you which build it supersedes.


What I was getting at is I hope the fix is not applied only to a beta revision of the BIOS, but at least/also to the most recent stable revision.

ROG Dark Hero Z790 | 13900KS @5.7 GHz | g.skill 2x48GB 6800 MT/s | ROG Strix 4070 Ti | EK Nucleus 360 Dark | 6TB SSD/nvme, 16TB external HDD | 2x 1440p | B&W 606 S3 speakers, Martin Sub, Audiolab 7000A amp| Fractal North XL case

Is the Sabertooth motherboard recieving a BIOS update to this issue? The v2004 BIOS update listed on the ASUS website that was released in June only mentions:

SABERTOOTH Z87 BIOS 2004 and BIOS updater
Improve System performance

*Note: Must apply the attached BIOS updater tool first before using the new Intel 4th Gen Core processors.

Note: I am specifically asking about the first version of the motherboard, not the MKI or MKII.
Computer specifications:
Windows 10 Pro x64|AMD Ryzen 3700X|ASUS Crosshair Hero VIII WiFi Motherboard|16GB DDR4 3600Mhz RAM|Integrated Audio|MSI Geforce 1070Ti|Corsair AX760 Platinum Power Supply|Fractal Define Design R5 Computer Case|Samsung P2350 Monitor

Nicholas Steel wrote:
Is the Sabertooth motherboard recieving a BIOS update to this issue? The v2004 BIOS update listed on the ASUS website that was released in June only mentions:


Note: I am specifically asking about the first version of the motherboard, not the MKI or MKII.
I applied the update to my Sabertooth Z87 several weeks ago. Knock on wood, but up to this point I've not had any issue with the clock.

Hello!

I really don't know where else to turn since I have a month old asus z97-A motherboard with the clock issue. New boards, so there doesn't seem to be much written about them so far.

From what I gathered there's no need for opening the case and reseting the clock etc? Just flash bios and voila? Is it possible that the latest bios could fix the same issue for my z97-A?

edit: Forgot to ask if "standby cmos reset" is still needed after flashing? And isn't this dangerous for me/frying the board, since I'd be touching the cap/pins while there is some current stil flowing in the motherboard? Do I need to ground myself or at least connect the antistatic bracelet to the case? Also while the pc is turned off but still plugged in I see no red light, only the green "pwr_led" one. Is that the same one as the red in z87 boards?

Sorry for all the questions, I just don't want to accidentally bust the board.

Thanks in advance!
iced

edit: Flashed bios to version 1205 and clock started ticking without performing the standby cmos reset. Of course this is on default settings. Will try with xmp and ram on 1600.

Wickman
Level 7
I think that for this issue to be fully fixed ASUS also must have to fix the defective AMDA00-driver.

That driver is involved in issues regarding fastboot, and as clock-issues often happens at boot and shutdown time I think it is involved in the clock issue as well.