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Using either of the USB3.0 internal ports on the Z170-Gaming7, I'm getting no more than 38MB/sec (tried 3 USB3.0 devices). Using the same devices on the back of the motherboard gets me the full speed 100MB+/sec.
Gigabyte support thinks it may be either bad headers or bad mobo.
Can someone else test the internal headers (they are using a Renesas hub) and let me know if you get more than 40MB/sec or so?
Using either of the USB3.0 internal ports on the Z170-Gaming7, I'm getting no more than 38MB/sec (tried 3 USB3.0 devices). Using the same devices on the back of the motherboard gets me the full speed 100MB+/sec.
Gigabyte support thinks it may be either bad headers or bad mobo.
Can someone else test the internal headers (they are using a Renesas hub) and let me know if you get more than 40MB/sec or so?
Just tested, i get 86mb on read/write to usb 3.0 external disk, same as usb 3.0 on back.
Z77X-UD4H here.
F3a flashed.
Well... I have a problem with USB.
When too many USB devices are plugged in my keyboard doesn't power up.
It's a Roccat Ryos MK Pro (2 USB ports used).
Now after the boot process has completed everything is functional. However in early stages (grub2) USB power isn't sufficient enough to power the keyboard.
Also it happened with the old G15 from Logitech (1 USB), so it's not a keyboard issue.
It's an issue of the motherboard not handing out enough power to power the front USBs (and possibly also some backside).
And I believe this could be fixed with a software aka BIOS update.
Now I'd also like to know what the changes to the F3a BIOS actually are.
Seems like I bought a more expensive board but with less support than the other boards.
I have Z97X-UD5H (rev. 1.1) and I'm on Bios F10 and my CPU is 4790k
1- Will F11a benefit me
2- Does it add option to show HPET and disable it
3- I get this error "B(l or 1 not sure)InitializeLibrary Failed 0xc000009a" when I exit without saving, does F11a fix this issue
Tested my X99-SLI with F22e, and cannot enter BIOS/setup after the initial power unless I do a cold boot.
It will show "entering setup" after pressing delete, however it just boots.
I attempted using F12, and selecting setup and can't remember for certain but I believe it just sat there with a - cursor.
Reverted back to F21a, and do not have the above issue.
One more thing, F22e also gives a warning related to a PCIe resource issues, with my 40 lane CPU installed (5930k). Do not experience this in F21a, however I do have everyone but a single 1x slot populated (which shouldn't be an issue once divided down to assign proper lanes to each device, which is set to auto).
I'm using F6 on Z170-UD3, with ram that is on the QVL supported for 4 slots (Corsair LPX 2x8 2666 C16), with XMP it's however impossible to get stable boots.
The motherboard will POST at random with XMP on from cold boot, sometimes it POSTs, sometimes it doesn't and needs manual reboot, other times i get "overclocking failed", despite there is no cpu overclock. The XMP was supposed to be fixed, but it doesn't work at all, despite this memory is on the QVL.
Consistently errors in Memtest86, the memory is fine in 2 slots though, as well as single mode, all verified and working.
2133mhz is fine, and sometimes 2666mhz is fine too if you have a "lucky boot".
Tried XMP and manual advanced timings to the module's rated settings (16 16 18 35)
Have the best results when coming from a soft reboot (not cold start) after just changing the timings from higher to lower.
Is there any update to this coming up? Where can I best contact GIGABYTE about this bios issue?
What VCCSA (System Agent Voltage) are you using? You may need to bump it up a bit to 1.20 - 1.22 V
I tried various combinations to no avail. 1.25 vccsa and 1.2 vccio. With even voltages of all the way up to 1.35v on the dram despite it is rated 1.2, but no matter what voltages it would always be unstable.
However, against all odds I seem to have stumbled upon something that works. I set the XMP profile, left everything on auto (voltages, timings, mem boot mode) and set memory enhancement mode to performance, early boot fclk 1ghz, and believe it or not it's been booting consistently with this setting (as opposed to normal, or even enhance stability!). Where it was previously giving me non-posts, overclock failed and boot loops...
I'm still waiting for more loops of memtest to finish however. I will update once I have more info. I rebooted a few times in between tests (both soft reboots and cold starts) to see if it was just "luck", but it's been consistently booting as well as passing the point where it would previously fail memtest early on.
Successfully passed 2 single loops now, which take around 2:45hrs, Hoping for the best, since I've just more or less wasted a whole weekend tinkering with this crap.
However what I can conclude from this is that XMP doesn't quite work as it should still on F6, because memory enhancement "normal" is less stable than "enhance performance", for me which is just really strange and doesn't make a lot of sense.
Last edited by bimmy; 05-23-2016, 01:45 AM.
Reason: elaborate
Hello all ,
Im in need of a little help please , i was messing about in my main bios with my ram settings and selected the enhanced performance the hit f10 to save , however the pc wouldn't boot and gave error code 55,after two more times my backup bios has kicked in as it was version f5 so this is how i know it's the backup , so i flashed this to f7 and all is good , but now i'm using the backup bios all the time and need to reflash the main with the backup bios .
I can see on the first page here it say to hit Backup BIOS reflash: ALT+F12 - AWARD BIOS ALT+F10 - UEFI BIOS . but i'm scared that it may flash the main to the backup and i need the backup to main which is the other way around , im scared that i would end up flashing the bad bios (main) to the bios im using which is that backup .
cheers for any help with this
Im using the gaming 7 skylake motherboard
PS i've just read a post that says the board will automatically re-flash the main bios from the backup on it next boot ,, can anyone confirm this is how it works when the board is in dual bios mode ....... thanks.
PPS quick update after looking at the manual, the board does indeed copy the backup to the main bios so when i thought i was in the back up bios i wasn't, it was the main bios that had been copied from the backup hence the f5 version ,,,,,,,,,,,,, confusing at first but not now :) so alls good again . i was use to my old board that had the same switch but you could select which bios u wanted ,as with this board you cant your in the main bios all the time and the backup is automatically flashed to the main in the event of such problems i had ,,, i'm sure this is how it works , so maybe this will help someone out one day ....
Does anyone know if the GA-Z97X-UD5H - F11b BIOS fixes an issue where the board reboots after waking from sleep?
Has anyone tried the f11b on the GA-Z97X-UD5H? How stable is it?
Sorry for my ignorance, but is it possible to revert to the released BIOS if I need to after installing the F11b BIOS?
Not sure what all it fixes, but it's been working great for me personally. I actually updated the bios even further with the latest modules using UBU and have had no issues yet.
You might wanna try enabling 'Power Loading' in the bios to see if it resolves the reboot after wake from sleep issue.
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