ASUS Maximus II Formula P45 Motherboard

Introduction & Specification

Introduction
 
 My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered son, husband to a murdered wife and I will have my vengeance, in this life or the next.
 
He doesn't sound too happy, does he? This is in stark contrast to me, who was awoken from my slumber by the postman holding a large package from Asus. I already knew what it was; I'd been hassling the editor for weeks upon first hearing news of a new P45 Republic Of Gamers Board from Asus.

The new chipset from Intel has been around for a few weeks now and we covered the early editions of P45 in a previous review of the Asus P5Q Deluxe & MSI P45 Diamond, so I won't be going into great detail regarding the new features P45 has to offer. Rather, I will be concentrating on the Maximus II itself. I will, however, be making a lot of comparisons with the former motherboards as both, especially the P5Q Deluxe, were excellent performers and set a very high benchmark for future releases to match.
 
The original Asus Maximus was based on the Intel X38 chipset and came in two flavours, the Formula (DDR2) and Extreme (DDR3) editions, and rapidly became the choice platforms for anyone wishing to utilise multi-GPU (Crossfire) configurations. These motherboards were then superseded with the X48-based Asus Rampage Formula (DDR2), which officially supported higher frequencies than its X38 sibling while also supporting dual PCIe 2.0 16x slots. So where does that leave the Maximus II? Well, as mentioned previously, the Maximus II is a P45-based motherboard, but confusingly the P45 does not support dual x16 PCIe 2.0 slots when used in Crossfire mode, which the original Maximus did.

So a step back then? Well, yes and no. Firstly, the P45 chipset supports a single x16 PCIe 2.0 or dual x8 PCIe 2.0 lanes in Crossfire mode and, while it appears that 8 less lanes per channel is detrimental to performance, actual figures between x16+x16 and x8+x8 are very similar and certainly not as restrictive as one might think. Add to the fact that next gen PCIe 2.0 offers twice the bandwidth of PCIe 1.1 and it becomes apparent that x8 PCIe 2.0 is no slouch. This, however, was with testing 3870x2 in Crossfire mode which, due to the onboard bridging chip used in 3870x2's, limits the card to PCIe 1.1. So how this will translate to PCIe 2.0 cards used in Crossfire is debatable and something we will strive to investigate in future reviews. Secondly, the P45 chipset appears to be a better overclocking platform than its X38/X48 stablemate, with improved power delivery and an increase in attainable FSB.

So which chipset should you go for? I really don't think there is a definitive answer to that as, like most things hardware related, it depends on your specific requirements but before making any decision, take the time to read on and see what the current pinnacle of P45 has to offer in the guise of the Maximus II.
 
 
Specification
 
CPU 
LGA775 socket for Intel® Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium® dual-core/Celeron® dual-core /Celeron® Processors
Chipset 
Intel® P45/ICH10R with Intel® Fast Memory Access Technology System Bus 1600/1333/1066/800 MHz
Memory 
Dual-channel memory architecture max.16GB, DDR2-1200/1066/800/667 MHz, non-ECC and un-buffered memory
Expansion Slots  
- 2 x PCIe2.0 x16 slots 
- 3 x PCIe x1 slots (the PCIEx1_1 (black) is compatible with audio slot)
- 2 x PCI 2.2 slots
Storage
ICH10R Southbridge: 
- 6 x SATA 3.0 Gb/s ports
Marvell® 88SE6121 controller:
- 1 x UltraDMA 133/100/66/33 for up to 2 PATA devices
- 1 x External SATA 3.0 Gb/s port (SATA On-the-Go) 
Silicon Image Sil5723:
- 2 x SATA 3.0 Gb/s ports
LAN
-
Dual Gigabit LAN controllers, both featuring AI NET2
High Definition Audio
SupremeFX X-Fi Audio Card:
- ADI® AD2000B 8-channel High Definition Audio CODEC
- Creative X-Fi capability
- X-Fi interface
- Coaxial/Optical S/PDIF out ports
USB
max.12 USB 2.0 ports(6 ports at mid-board, 6 ports at back panel)
 
There are two aspects of the specification that stand out other than the usual plethora we have come to expect from a ROG board, and they are the memory support and an X-FI based sound card. It is now commonplace to find modern motherboards supporting 'up to' 8GB of memory. However, with the Maximus, it is now theoretically possible to install a massive 16GB of DDR2 RAM and not only that but officially supporting up to 1200Mhz modules!

That, however, is not what raised my eyebrows the most. Asus gaining a license to utilize X-FI? In past ROG boards, Asus have based their sound solution around Realtek and, while the Realtek chipset is 'adequate', it isn't on a par with a dedicated solution, so I was surprised to learn that Asus are using X-FI in preference to their very own Xonar card. An interesting move indeed!
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Most Recent Comments

10-07-2008, 08:45:38

JN
"With more features than ever before, very cool looking heatsinks and a shiny new chipset. Does the Maximus II have what it takes to be crowned P45 King?" - By Webbo

http://www.overclock3d.net/gfx/artic...234845465s.jpg



ASUS Maximus II Formula P45 Motherboard

10-07-2008, 09:01:45

Bungral
Tis very very nice indeed. I really like the look of it.

That said.. With the new Rampage looking just as good, If I had the wedge and was after a new mobo, I'd plump for the Rampage.

10-07-2008, 09:57:02

Mr. Smith
Rich, your OC tests - is the 3.9 jiggahurtz stable or just a screenie? Also, how does that compare to other mobos you've had the chip on?

I think that is relevant...

Ta

10-07-2008, 10:15:55

w3bbo
Prime95 was run for overnight (8 hours) aswell as a 1hr hour OCCT run - not exactly proof of 24/7 stability but it's good enough imo. This is compared against similar results with the MSI and P5Q deluxe. I rated the Maximus higher as, along with the ridiculous amount of BIOS tweaks available with more time and a more mature BIOS it is my belief the Maximus can at least equal the P5Q, not only that but gaming wise the maximus is already ahead of the P5Q albeit not by much.

Also overclocking on air, as I'm sure you are aware, can be heavily influenced by ambient air temps which due to the recent hot weather is limiting the possibilities. Using phase change is not realy an option as it isn't indicative of the 'average' user and wouldn't give a fair representation of the possibilities of the motherboard.

Because the P45 uses PCIE 2.0 which is double the bandwidth of PCIe 1.1 the need for 16 lanes is debatable so going for an X48 (which appears not to clock as good as P45) is not a decision that should be taken lightly. I guess it comes down to if you want every last ounce of CPU or GPU power - CPU = P45, GPU=X48 imo.

10-07-2008, 11:20:50

Luigi
Wow, Nice review

One thing that was in the press release, but I didnt see demonstrated, was the removable part of heatpipe cooling on the NB?

Is this possible?

10-07-2008, 11:22:20

WC Annihilus
Edit: think I read that wrong

10-07-2008, 11:26:52

Luigi
Yeah, apparently just the NB part can be taking off for water cooling, so you dont have to do the whole board?

10-07-2008, 11:30:17

WC Annihilus
Looking at the removed assembly pic, I don't really see how that would work, but I suppose I should let webbo answer this one

10-07-2008, 11:38:19

w3bbo
Yes it is possible - I'll upload a pic of that for you but I didn't include it in the review due to space constraints and the fact I can't understand why anyone would want to as if you are going to apply an aftermarket solution, the whole heatpipe would be best to be removed. I thought it better to include the whole heatpipe removal than just the top of the NB.

Just for you :

http://www.overclock3d.net/gfx/artic...163754119l.jpg

As you can see, if you used an aftermarket solution you would in effect be creating a sandwhich effect and the cooling would be hampered by having to battle with two lots of TIM. Hence, best to remove the whole lot if that is your aim.

10-07-2008, 12:55:17

Pjalchemist
Loving my bord. Right out the box been able to hit 600FSB after latest BIOS update. It is eye catching. I can see there point in regards to the NB WC option, not much room to play though. Glad they have ditched push pins and the so called TIM. Think they lost too many bords that way! Luck has it i have an X38 IHS so when it come to going DICE on the NB i'll lid it. Nice review and nice ES bord!

10-07-2008, 13:00:44

w3bbo
Cheers Pete

31-08-2008, 07:52:17

ogmw
Hello im new to these forums and to overclocking so hello...

I have the Same MB and a Q6600 CPU and OCZ DDR2 platinum 800 RAM...

Just wanting to know the settings for the 3.6ghz OC and also is it stable?

Thanks
Reply
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