Z87-GD65 GAMING BIOS Clock (RTC) running too fast?

I was hoping somebody here might be able to shed some light on an issue I've been having, and/or confirm whether it actually IS an issue or NOT...

Picked up a Z87-GD65 mobo as part of a new build I put together over the summer, and besides this one thing haven't really had any issues. Just some minor things getting set up, as it's been a while since I've built a machine from scratch. Adding Windows 8 on top of that, and I managed to stay busy for a while getting everything tweaked out, but all is well.

Which brings me to the one nagging thing that remains...I've noticed that my system/bios clock seems to drift ahead by 4-5 minutes over the course of a week, when the system is powered down. Not a huge deal, as I keep Internet time sync on Windows 8, and when powered on the time seems to keep fine over long stretches. This is all well and good, as I usually keep my system powered on most of the time anyway. I only noticed after I had gone on a trip for ~3 weeks, during which I powered the system off, and found a significant drift ahead in time upon booting for the first time after returning.

A more controlled test showed that, after powering the system down one night and booting it up 9 hours later, going straight into the BIOS showed the time had jumped ahead by ~15 seconds.

Some of the recommendations I've found online, and my responses to each:
- update to latest BIOS...I have tried several, and am currently running v1.7 (official/latest); no change
- reset CMOS...have also done this, upon flashing to latest BIOS, by using the clear CMOS button on my rear I/O panel; no change
- replace CMOS battery...have not done this yet, but willing to spare a few bucks =P BUT, my question is, would the battery really be the problem for a FAST-moving clock, that seems to be moving at a CONSISTENT rate, on a system with NO other issues (ie, no BIOS settings are being "lost" between shutdowns/bootups)
- disable spread spectrum in BIOS...i remember seeing this option in earlier versions of the BIOS, but no longer see it as an option; did they remove it? it should also be noted that I am NOT overclocking (running an Intel i7-4770)

Any other thoughts/ideas? Do I just have a bad board, or bad crystal / timing circuitry?

Last question: is any of the above even an issue, or is it expected/normal to see this much drift with current hardware? Should I even be concerned, or should I just be satisfied and move on?

Thanks in advance for any suggestions. Great support here.

My specs listed below:

Intel Core i7-4770 3.4GHz
Cooler Master Hyper 212 EVO
MSI Z87-GD65 Gaming
Corsair Vengeance LP 16GB (2 x 8GB) DDR3-1866
Samsung 840 Series 120GB 2.5" SSD
Western Digital Caviar Black 1TB 3.5" 7200RPM
Gigabyte GeForce GTX 770 4GB
Gigabyte GeForce GTX 770 4GB
Corsair 850W ATX12V / EPS12V
Asus BC-12B1ST/BLK/B/AS Blu-Ray Reader, DVD/CD Writer
Windows 8 Professional (OEM) (64-bit)
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  1. Best answer
    i have seen this with asrock boards seens like there was a guy the wrote in a fix cant realy rember how it went. bbut looking at what you have done would cover what i had to say.. theres a few reported issues like yours around . if your bios chip can be home replaced i would now get with msi to see if they will send you a new one just incase all the fixes you try don work out . also if you run a fast boot thing see if disabling it does anything for it .
  2. any update on this? i am interested in this board for myself
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