Asus P5E3 Premium X48 DDR3 Motherboard

The BIOS

The BIOS
 
On most of Asus' previous motherboards, the more "advanced" BIOS options have been left for their top end Republic Of Gamers motherboards. However, with the P5E3 Premium featuring some impressive hardware upgrades that even the ROG boards can't match, let's take a look at what the BIOS has to offer.
 
Asus P5E3 Premium BIOS Asus P5E3 Premium
 
Skipping past the boring Hard Disk/IRQ sections of the BIOS and straight into the good stuff, we can see that all of the overclocking options on the P5E3 Deluxe are held under a single header called "AI Tweaker". The top few lines of this section cover areas such as CPU Ratio, FSB Strap, FSB frequency, PCIE Frequency and DRAM Frequency all of which can be adjusted either by directly keying in the values or using the +/- keys to toggle through each option. Preparations have been made for the new Intel Penryn chips with the CPU Ratio setting supporting 0.5 multipliers. Additionally, the FSB Frequency can be set at anything up to 800mhz - but you can carry on dreaming if you think you'll get anywhere near that!
 
Asus P5K3 Premium BIOS Asus P5K3 Premium BIOS
 
Asus P5K3 Premium BIOS Asus P5K3 Premium BIOS
 
Moving down the page (and its a bloody long one) takes us to the Memory options. While a lot of Asus' previous non-ROG motherboards only provided users with a handful of the most basic memory timings, the P5E3 Premium takes things to the other end of the spectrum by literally bombarding you with a whole host of intriguing settings that will more than likely have even the most hardened enthusiasts reaching for the how-to guides.
 
However, to be fair on Asus, a large number of the options are briefly explained over on the right-side of the screen with some basic pointers as to whether the option is likely to improve system performance or stability when overclocking.
 
Asus P5E3 Premium Voltages Asus P5E3 Premium Voltages
 
Voltage options is yet another area where some of Asus' non-ROG boards suffered - but not any more! Once again Asus have tipped the scales in totally the opposite direction by not only providing a massive (and potentially dangerous) range of voltage options, but also by allowing the user to manually type in the voltage they require. However, don't be fooled - while the BIOS does allow you to type in exactly what voltage you require, it will always round it up/down to the nearest selectable option. Some of the voltage ranges can be seen below:
 
CPU Voltage: 0.85000v - 2.1000v (0.00625v steps)
CPU PLL Voltage: 1.50v - 2.78v (0.02v steps)
FSB Termination Voltage: 1.20v - 1.50v (0.02v steps)
DRAM Voltage: 1.50v - 2.78v (0.02v steps)
NB Voltage: 1.25v - 2.21v (0.02v steps)
SB Voltage: 1.05v - 1.20v (0.15v steps)
Clock Overcharging Voltage: 0.70v - 1.00v (0.10v steps)
 
 Asus P5E3 Premium Tools Asus P5E3 Premium BIOS Flash
 
Asus P5E3 Premium Profiles Asus P5E3 Premium Profiles
 
While most motherboard manufacturers will have you reaching for the bootable floppy disks in order to update your BIOS, Asus have included their extremely easy to use EZ Flash 2 utility on the P5E3 Premium. Simply copy the BIOS binary file to a floppy disk, USB stick or FAT32 hard disk and perform the upgrade from within the BIOS. It really couldn't be easier.
 
Similarly, the Asus O.C Profile utility allows users to save their current BIOS settings to an external storage device. Considering the sheer volume of options available in the P5E3 BIOS, this will undoubtedly prove to be a massive time saver for restoring your previous BIOS settings after a CMOS battery failure or other fault
 
Asus P5E3 Premium Express Gate Asus P5E3 Premium Skype
 
As we've already mentioned, the Asus Express Gate is essentially a bootable USB memory stick soldered to the motherboard. During the startup of the P5E3 Express, you are given a default of 5 seconds to choose if you'd like to boot into the Express Gate environment for quick access to applications such as Skype or a Firefox-like web browser.
 
While some people will probably find this handy, I cant help but feel that this feature could have been put to much better use with the inclusion of some stability testing tools (Prime95, OCCT, Memtest...etc) to avoid the need to boot into Windows every time you want to test a new overclock setting.
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Most Recent Comments

08-03-2008, 09:05:07

JN
"Asus gives their popular P5* series a makeover with a spangly new X48 chipset, but how does it hold up against its predecessors?"

http://www.overclock3d.net/gfx/artic...120101900s.jpg

Asus P5E3 Premium review

08-03-2008, 09:51:54

Luigi
Wow nice overclocking, i read somewhere that x48 is just a die shrink of x38, is that true?

08-03-2008, 10:07:07

JN
Quote:
Originally Posted by name='teknokid'
Wow nice overclocking, i read somewhere that x48 is just a die shrink of x38, is that true?
Yeah, IIRC it's a shrink from 90nm to 65nm and obviously has support for 1600mhz FSB. other than that they are pretty much the same.

08-03-2008, 10:11:39

Luigi
yeah, thats pretty good as my x38 gets real toasty, i guess thats what aids overclocking the fact it runs cooler, as 680i boards were awful with stock but under water really rocked most of the time..

Nice review btw i look forward to a proper read later

08-03-2008, 10:20:20

ionicle
looks nice

performs well

asus have been listening to people and implimenting some good ideas into their motherboards it seems...

08-03-2008, 10:24:24

JN
Quote:
Originally Posted by name='teknokid'
yeah, thats pretty good as my x38 gets real toasty, i guess thats what aids overclocking the fact it runs cooler, as 680i boards were awful with stock but under water really rocked most of the time..

Nice review btw i look forward to a proper read later
It does certainly help, and even with the stock Asus aluminium heatsinks/copper heatpipes I didn't find that the NB got hot in the slightest.

Apparently the 790i is a lot cooler than the 680/708i (according to the marketing dudes), but I'll be able to say for sure in a week or so

08-03-2008, 10:29:53

Luigi
Are OC3D getting one in? theyve been on show on cebit, which i spotted one in a hexus article, it looks like a heatsink about the same size as that on 780i, but hopefully your right and it is a lot cooler.

08-03-2008, 10:38:09

JN
Quote:
Originally Posted by name='teknokid'
Are OC3D getting one in? theyve been on show on cebit, which i spotted one in a hexus article, it looks like a heatsink about the same size as that on 780i, but hopefully your right and it is a lot cooler.
I've got one here at the moment. Been playing with it for a while but can't say anything really until the 18th when NDA is lifted

It IS better than the 780i tho....

08-03-2008, 10:41:55

Luigi
Well this is what nvidia have been working on am i right? then they realised ppl still wanted ddr2 so mashed up a 680i with the pci-e 2 chip...

08-03-2008, 12:13:29

ionicle
w00t! looking forward to that

i'm guessing you've got the review done, and will post it at 00:01 on the 18'th?

28-04-2008, 09:10:34

w3bbo
I am sorely tempted to get one of these. Either the P5E3 or the DFI x48lt...hmmmm.

Great review once again Jim.

28-04-2008, 10:13:06

JN
Quote:
Originally Posted by name='webbo'
I am sorely tempted to get one of these. Either the P5E3 or the DFI x48lt...hmmmm.
Don't ask me to choose. I'm a sucker for lush motherboards. The P5E3 does have the edge of BIOS options/voltages tho...i'll give it that for sure!

28-04-2008, 13:19:34

Luigi
mm. and not that your subzero, but it has a very good coldbug (as in you can get to -100 i believe before it wont post..)

29-04-2008, 04:33:31

-VK-
It's been booted at -140 degrees C....

For all you LN2 Junkies out there!
Reply
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