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UEFI on 990 Chipsets.

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#1
As far as I can see only Asus 990 boards seem to feature the new bios system. Are asus the only manufacturer bringing UEFI to AMD?

Also this question is directed at sandybridge users. Is UEFI really that much of an improvement in real everyday usage?

Because if it is I'll be looking at Asus boards over manufacturers that don't support the UEFI
 
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#2
Hi,

I was wondering that myself.
There's no way of having modern mobo without some form of UEFI. The thing is that it can sit there as few 'hacks' to enable booting from large partition for example (Gigabyte), or as full replacement for legacy BIOS (Asus).

I don't see any clear 'everyday' advantage, but just for sake of 'cleaniness' I went for Asus.
I've got Sabertooth 990FX now, and I'm happy with the way UEFI works here.

I've got some bad experience with my previous mobo (Gigabyte GA-MA790FX-DS5) which used to BSOD when I tried touching any setting via AMD Overdrive, so that may be another reason I wanted full UEFI this time.

Cheers,
 
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#3
I agree on UEFI being the way forward, the fact that every sandybridge chipset I've seen has one was what made me wonder.

How is the sabertooth? that happens to be what I'm looking at specifically.
 

erocker

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#5
As far as I can see only Asus 990 boards seem to feature the new bios system. Are asus the only manufacturer bringing UEFI to AMD?
I'm pretty sure Gigabyte and MSI both use UEFI with some of their 990 boards.

Ufei is the biggest step forward since ssds
I don't know about that. It's a bios with a GUI and mouse support from what I can tell.
 

crazyeyesreaper

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#6
all 990 board use UEFI the difference is Asus is the only one with a sexy GUI aka user interface.
 
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#7
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#8
I'm pretty sure Gigabyte and MSI both use UEFI with some of their 990 boards.
yeah. gigabyte, asrock, msi and others have started to switch into uefi especially on their high end level, so its about the time until it wide spreads
 
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#9
What you need to know:

  • Ability to boot from large disks (over 2 TiB)
  • Faster boot-up
  • CPU-independent architecture
  • CPU-independent drivers
  • Flexible pre-OS environment, including networking support
  • Modular design

Disk support
In addition to the standard PC disk partition scheme, which uses a master boot record (MBR), EFI adds support for a new partitioning scheme: GUID Partition Table (GPT). GPT does not suffer from many of the limitations of MBR. In particular, the MBR limits on the number and size of disk partitions (up to 4 partitions per disk, up to 2.2 TB (2.2 × 1012 bytes) per disk) are relaxed. GPT allows for a maximum disk and partition size of 9.4 ZB (9.4 × 1021 bytes). The EFI specification does not prescribe any particular file system. The only Microsoft Windows versions that can boot from disks larger than 2.2 TB, are 64-bit Windows Vista/7, Windows Server 2008 and later, as well as the Itanium versions of Windows Server 2003 and Windows XP.

Processor support
As of version 2.3, processor bindings exist for Itanium, x86, x86-64, and ARM.

The BIOS is limited to a 16-bit processor mode and 1 MB of addressable space due to the design being based on the IBM 5150 which used the 16-bit Intel 8088. In comparison, the UEFI processor mode can be either 32-bit (x86-32, ARM) or 64-bit (x86-64 and Itanium). 64-bit UEFI supports long mode which allows applications in the pre-boot execution environment to have direct access to all of the memory using 64-bit addressing.

UEFI requires the firmware and operating system to be size-matched, e.g. a 64-bit UEFI implementation can only boot a 64-bit UEFI operating system.
 
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#10
How is the sabertooth? that happens to be what I'm looking at specifically.
I like it very much. I've chosen it over Crosshair V because of 5 year warranty, better VRM cooling (I use watercooling, and VRM+NB are cooled passively in my system) and well... being 'TUF'.
I was worried that it won't have that much overclocking options freedom as Crosshair, but the BIOS offers everything I'd want and more.

Cheers,
 
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#11
I was watching a Windows 8 Demo video youtube vid and Microsofts spokesman claimed a 40% improvement in performance due to this new bios format