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Well I'm not a BIOS Engineer but it's not hard to change. http://forums.tweaktown.com/asrock/58195-why-do-z97-boards-max-out-8gb-per-stick-2.html#post485617 Testing would seem to indicate that modification is not enough, at least with IVB DT. There seems to be some incompatibility with the IMC...

Isn't that just a BIOS limitation? For instance BIOS for Z77 Pro3 has a bug for column size. Fix the bug and the BIOS will happily post even with 32GB modules with memory controller giving correct values. Well these are smaller modules with the SPD changed to mimic bigger ones, don't have any...

BIOS Ultra Fast Boot will work fine with W7 if setup properly.

Most of these type of programs (coretemp, realtemp, cpu-z etc) need admin rights to load the driver. If you install the driver and remove the admin manifest from the executable so you're not asked for admin rights then they can be run from userland without any other special requirements...

I would think that they would sign with the same cert as for W8. A couple of links you might be interested in. http://uefidk.intel.com/messages/219 http://blog.hansenpartnership.com/

Secure boot keys are part of the BIOS. If you use secure boot you might consider replacing them with your own keys. Here's what the PK cert which comes on my Z77 says. Still, since I have found secure boot can be turned off from within Windows itself it seems it is a pretty useless...

What feature of secure boot do you like exactly? BIOS may provide secure boot options for different devices but usually default is all on or all off except maybe for firmware. If you have secure boot on and W8 then W8.1 should work the same way.

Depends on your setup and what you want. For me RST driver 11.2 offers best performance, the only down side is incompatibility with running UEFI Sata driver, which for now basically means slightly slower BIOS initialization time from having to use a legacy OROM, i.e. CSM cannot be disabled...

If your disk order remains the same you could try backing up the MBR (1st sector of the first disk of the array). As a safety precaution backup the first sector on the second disk as well. delete the array recreate the array with the same disks, volume size and stripe restore the first sector...

http://technet.microsoft.com/en-us/sysinternals/bb896683.aspx

If using secure-boot then take ownership of your keys and sign your own stuff. Better still IMO if BIOS has an option to disable it then do just that.

lol

Here's an example of prefetch using 2x SSD RAID0 and a simple 16MB executable that randomly jumps from one 4k page to another. Disk operation was monitored by Sysinternals DiskMon software. First of all with prefetch disabled. Windows uses the classic page faulting technique to load...

What did you have in mind exactly? Tried this in the early days with W8 Developer Preview and to me it just doesn't feel right.

How much is "all that", prefetch files generally are not that big.

Is it really doing anything! You still need to read data from the disk into cache, first time, at the much slower speed of the drive. Does the windows caching not give the same effect? What about the writes, what happens when you've got the on disk cache full and the PC throws an unexpected fast...

Oh, I've tried updates 11.5+... 12.x... and for me 11.2 still remains the best performer on 7-series and 6-series boards. The only negative thing about 11.2 is it can not be used with BIOS UEFI RAID driver. 12.x does provide DSA for 8-series so might be some benefit there otherwise 11.2 seems...

FWIW I have a couple of RAID0 and they are both recognized as SSD's in W8 and W8.1, however I am using RST 11.2 mostly as currently I see no benefit in running 12.x on pre 8-series. When you say you tried running winsat did you try admin cmd "winsat formal -restart clean"?

Then you've made things worse. Trim for RAID0 does not work in RST12.5.

Well when it happened the system became unresponsive, you don't appear to loose the disk straight away because Windows has cached quite a bit of stuff from it, it's a little while before it's really noticeable. When rebooting the Intel OROM posts showing one of the array disks missing, from...

Hi mercnz, welcome to the forum. I have a vertex 4 which is part of a RAID0 array that did something similar to that while using Windows, each time something was attempted to be written to the disk it would presumably go into panic mode as the disk would disappear from the system. Reading...

Yep, those with RAID 0 SSD's before trim was available for them usually would OP not for improving performance but to help prevent degradation of performance over time. Luckily trim for RAID0 is now doable for most Intel platforms.

Yep, from what I've seen the Seagate drives have 512e although when used in some of their external USB setups are seen as 4kn by the OS and can work with older OS's such as Vista. An "FSUTIL fsinfo ntfsinfo" output on Vista showing 4k logical and physical. Version ...

Yep, it's not a perfect world. 12.5 has trim issues and 11.5.0.1207 was removed due to memory leaks and BSODs. For the OP, if your not sure then "better safe than sorry" is usually a good policy. Q1: What is this driver station website? For me it's a way to try out the latest drivers, some of...

Shouldn't be any problems running with Z68 and modified OROM for trim. Check that your SSD firmware supports trim, you may need an update. Also driver 12.5 does not work with trim.

Might be a case of ymmv. I run raid0 SSD but use prefetching which a lot of users disable. This means the executables I run are read at sequential speeds rather than semi random 4k speeds which is magnitudes slower but Windows prefetch isn't perfect, it would be nice to have a straight forward...

Not sure if 12 series offers anything more than support for the up coming Haswell boards. 11.2 has worked best for me with raid0 SSD. Never got anyone interested enough to do testing with those boards (X58 / ICH10R) to see if trim would work with a specially modded OROM. The Intel...

Seems to be working much the same as an AMD GPU with GOP, UEFI wise. It's a pretty basic card but still can overclock with the update. Some results with W8 and WAC

LMOA, I'm getting old Veedo, looking at too many VBIOS. For some reason I forgot your running AMD lol. Well, looks like the AMD VBIOS, which made some claims of using a generic driver may not be so generic from what I have seen whilst the nVidia UEFI driver shows some promise. With the...

When the ASUS P67 came out it was developed with a 4MB BIOS chip which was fine at the time. With the advent of Ivy Bridge and W8 that chip really is a bit on the small size to accommodate all the extra support. I think they have done as much as they can.

Hey Veedo, I ran across a UEFI GOP VBIOS update tool which may possibly be generic for "kepler" boards. I haven't any boards to test it on but if you're feeling adventurous let me know. Maybe reverting to you're original VBIOS and trying it would be better (if it works) than throwing an odd...

Your right and IMO most of those would be content with using less than 4GB, then there would be a much smaller group of those looking to utilize the full 4GB not 4GB+. As already stated, it's only for a few special cases (niche segment). There are still a lot of LGA775's out there. Some can...

What about if your running a 32-bit CPU? Maybe your 32-bit OS does everything you want but you would like the full 4GB of RAM to use, plus those softwares that you paid for and are tied to the OS you installed them on would have to be dealt with if changing from 32-bit to 64-bit. It's...

2 seconds or less is the expected time for BIOS initialization when using ultra fast boot, that is CSM is disabled and UEFI drivers are used in place of legacy OROMs. This time does not include OS loading. Right Veedo, W8 uses the OS "fast start" (not to be confused with the BIOS setting) to...

Thanks for the update Veedo. Lucky I think that you just happened to post in the right place at the right time. I am not familiar with VBIOS but also wanted to try out UEFI so have been doing some searching. Still looking into it when I have the time but it's going to be a steep learning curve...

From 7970 VBIOS. If your 7970 VBIOS does not contain GOP support then the last 64k (64k-128k) will not contain the GOP ROM but be blank. Let us know how you get on but whatever you do, please do not brick your card.

AFAIK that VBIOS is only for the DC2T (overclocked DC2), but I might be wrong there as other DC2 also show DC2T in VBIOS. Flashing a VBIOS for a different sub model usually results in a bricked card. It may be possible your graphics card has a BIOS switch. I'm no expert, ask the VBIOS guru's to...

Veedo, this is VBIOS modding (Graphics) rather than BIOS modding (Mainboard) and AFAIK basically for now uses hybrid VBIOS, one for legacy and one for UEFI. IOW a whole new VBIOS is added with the existing leagacy VBIOS. I suspect later on when legacy becomes a bit long in the tooth it will...

I have no problem selecting the graphics UEFI driver with GOP over legacy ROM and have it work with W7. The advantage here of moving away from the slower 16-bit legacy Video ROM and using a native 64-bit UEFI driver should hopefully be obvious. Seems there might even be a chance for Vista...

It doesn't skip post otherwise you would have no graphics. GOP is a UEFI driver to replace the legacy 16-bit Video Option ROM and FYI it can also work with W7.