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ASUS P5NSLI: Core 2 Duo and SLI on a Budget
ASUS P5NSLI: Core 2 Duo and SLI on a Budget
Date: August 22nd, 2006
Topic: Motherboard
Manufacturer: ASUS
Author: Gary Key
 
 

"Engineering is the art or science of making practical."

This quote by noted writer and practicing engineer Samuel C. Florman describes our initial thoughts about the ASUS P5NSLI motherboard. There has been much fanfare over the past few weeks surrounding the release of Intel's impressive Core 2 Duo lineup of processors. Up until now the only motherboards available that supported this CPU series have been sporting chipsets from Intel or VIA. (ASUS also offers the P5N32-SLI Deluxe SE which has Core 2 support, although that uses the older nForce4 chipset.) In fact, we are just now seeing additional Intel chipsets such as the 945P, 945G, 946PL, and 865 being launched, with the G965 and Q965 products on their way in September. After the wave of 975X and P965 products introduced at launch we are witnessing these products maturing from a performance viewpoint. Everyone has been wondering if, when, and what type of chipsets NVIDIA and ATI would bring to market to support Core 2 Duo.

We are over a week away from the official launch of the NVIDIA nForce 590SLI Intel Edition and will have to wait at least a month before seeing the ATI RD600 based motherboards. In the meantime, the first nForce 570SLI Intel Edition motherboard has been released and is for sale at this time. We just received the ASUS P5NSLI board a couple of days ago and immediately started testing it. Our testing is by no means complete but we did want to provide some early information on the board along with a few select benchmarks. We will be utilizing this board in an upcoming comparison article and will publish a performance review in the near future once we have completed benchmark testing.


The ASUS P5NSLI motherboard is based on the recently announced nForce 570SLI Intel Edition SPP (C19-A3) and MCP (MCP51-A2) chipsets. If these chipsets sound familiar they should, as the chipsets are based on the earlier nForce4 SLI XE for Intel Edition products. The SPP had been revised slightly to ensure full Core 2 Duo support along with minor performance enhancements. Our first impression of the motherboard was very good as the layout of the board is clean and well organized for an SLI capable system. The initial stock performance results of the board show it to be competitive with the Intel P965 and 945P solutions while offering a price target around US $115.

The chart above lists the standard feature set available when utilizing the NVIDIA 570SLI for Intel SPP and MCP chipsets. The 570SLI SPP enables full support for X16 PCI-E or dual X8 PCI-E graphics card configurations, up to four X1 PCI-E devices, 16GB memory addressability, and native DDR-2 667MHz memory support. The 570SLI MCP enables support for 8 USB 2.0 ports, HD Audio with S/PDIF connectors, Gigabit Ethernet support, 5 PCI slots, 4 SATA 3.0Gb/s ports, and 4 IDE devices.

NVIDIA nForce 500 Series MCPs for Intel
Chipset: NVIDIA nForce 590 SLI NVIDIA nForce 570 SLI
Segment: Enthusiast Performance SLI
CPU: Intel Socket 775
Core 2 Extreme
Core 2 Duo
Pentium D 9XX
Pentium D 8XX
Pentium 4
Intel Socket 775
Core 2 Extreme
Core 2 Duo
Pentium D 9XX
Pentium D 8XX
Pentium 4
Celeron D
NVIDIA SLI Technology: Yes - Two X16 Yes - One X16, two X8
FSB (MHz): 1066, 800, 533 MHz 1066, 800, 533 MHz
DDR2 Memory (MHz): 533/667/800 MHz + 533/667 MHz+
PCI-E - # Lanes 48 lanes 20 lanes
PCI-E - # Links 9 links 5 links
Configuration 16, 16, 8, 1, 1, 1, 1, 1, 1 16, 8, 1, 1, 1
SATA/PATA drives 6, 2 4, 4
SATA speed 3Gb/s 3Gb/s
RAID 0,1,0+1,5 0,1,0+1,5
NVIDIA MediaShield Storage Technology Yes Yes
Native Gigabit Ethernet Connections 2 1
NVIDIA FirstPacket Technology Yes Yes
NVIDIA DualNet Technology Yes No
Teaming Yes No
TCP/IP Acceleration Yes No
NVIDIA nTune Utility Yes Limited Support
USB ports 10 8
PCI Slots 5 5
Audio HDA (Azalia) HDA (Azalia)

The NVIDIA nForce 590SLI caters to the high end gamer and enthusiast while the nForce 570SLI is targeting the value performance sector for users interested in SLI capability. The 590SLI utilizes the C51XE SPP with the 570SLI utilizing the C19A SPP. The 590SLI uses the new MCP55 from the AM2 nForce 500 product lines and the 570SLI is utilizing the current MCP51. The major difference in the two products is the availability of dual X16 PCI Express lanes on the 590SLI compared to dual X8 PCI Express lanes on the 570SLI for SLI operation. The other differences reside primarily in the MCP with the 590SLI offering DualNet networking technology, two additional USB ports, and two additional SATA 3Gb/s ports at the expense of an IDE port. Now let's take a closer look at the features this board offers.

Basic Features: ASUS P5NSLI   Next Page

 
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27 Comments - Last by techkn0w, 888 days ago
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ugly by DigitalDivine, 1267 days ago
i thought asus would have phased out their signiture gold puke color by now. that board is probably the ugliest i've seen come out of asus, it's not subtle, but bright!!!! black is a very nice color... stick with black... or go platinum silver (i miss my soyo dragon)...

the sad part in all of this is that their low cost subsidiary "asrock" offers a very tasteful blue color for their boards.

---------------------------------

This board will be excellent for when i buy a conroe though, maybe i'll wait to see what other manufacturers will be able to put out.

Reply
Q on the number of PCIe lanes by R3MF, 1267 days ago
why does the Intel version of the 570SLI have only 20 PCIe lanes when the AMD version of the 570SLI has 28 PCIe lanes?

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RE: Q on the number of PCIe lanes by Gary Key, 1267 days ago
They are not utilizing the same chipset. The 570SLI for Intel Edition is just updated marketing language for the existing C19A+/MCP51(nForce 430).

Reply
Lol... by shabby, 1267 days ago
321 max fsb? Who in their right mind would buy this mobo when the gigabyte ds3 hits speeds over 500fsb?

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RE: Lol... by bob661, 1267 days ago
Because this board costs $120 or lower and has more features (SLI). Not everyone OC's their motherboard. Besides, the DS3 has questionable stability. Why would I or other non-OCers would want to pay $140+ for a board (DS3) that has less features and less stability? Also, DS3's are NOT hitting 500 fsb regularly. A fortunate few are getting 500 fsb but not everyone.

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FSB wall by Calin, 1267 days ago
I wonder if the FSB wall (the 320-321 MHz) the mainboard run into is real or an engineering trick... Conspiracy theory, but I think that the top-end chipset might reach a much higher FSB, luring overclockers to pay a handfull of dollars for the premium chipset

Reply
RE: FSB wall by Gary Key, 1267 days ago
quote:

wonder if the FSB wall (the 320-321 MHz) the mainboard run into is real or an engineering trick... Conspiracy theory, but I think that the top-end chipset might reach a much higher FSB, luring overclockers to pay a handfull of dollars for the premium chipset


On the previous C19A boards we hit 268FSB with a Pentium 4. We were starting at a 200FSB level. We are now starting at a 266FSB and hitting around the 320FSB level which is actually lower from the base. The Intel NVIDIA chipsets have never been good overclockers and our sample will not even post past 325FSB. We are expecting our final NF590SLI sample this week so it will be interesting if there is a cap although I doubt it.

Reply
Those FPS Charts, Again by Spacecomber, 1267 days ago
This came up before with another article, but perhaps it needs to be said again, I wish that Anandtech would stop using charts showing comparitive FPS that don't show a full FPS axis that starts with zero.

I understand that you are trying to highlight the small differences that are being measured and that if you have a chart that uses a proper axis, starting at zero, these differenes are harder to see. However a chart with an axis starting with zero is still a better representation of the results than using a distorted graph to draw out the differences.

Essentially, all you have graphed are the differences between the different results, and if this is what you want to do that is fine. Just relabel the graph and change the axis to show this. Call it something like "Increase in FPS with Memory Speeds Faster than DDR2-663" and then have an axis that runs from 0 to 5 FPS, since that should about cover all your results.

Obviously, such a graph would not be very appealing or interesting, but it would be in better keeping with your data. And, the fact that it doesn't seem to be a very informative graph is precisely my point. Trying to dress these charts up, which really are only charts of the small differences between your results, as if they also provide a relative comparison of the different FPS with different motherboards and different memory timings, simply confounds things. You would do better to pick one or the other to represent, but not mash both together as you are doing now.

It is bad enough that these statistics are posted in such a manner that pays little heed to the kinds of variations that are involved. Magnifying tiny differences in order to make them seen more significant only compounds the problem. Without these distorted graphs a reader might more correctly conclude that the differences in the frame rates, comparing these two different motherboards while using memory running at different speeds, are essentially insignificant. And, drawing out speculative conclusions, based on the perception of any differences, is most likely just much ado about nothing.

Reply
RE: Those FPS Charts, Again by shecknoscopy, 1267 days ago
Well, I've never been that discouraged with their axis labeling, but I could see how someone unfamiliar with the world of statistics could be misled by purported performance differences that are actually within the measurement error.

Personally, if I were the one reporting these data, I'd use <b>both</b> methods. Plot the data as you currently do - so as to highlight subtle differences, and <b>also</b> place them on a full graph (where y ranges between 0 and the maximum observed value) in an inset. That way you get a nice zoom-in on the "interesting stuff," and a smaller zoom-out to illustrate that the differences are typically minor, compared to the absolute values.

I'll also point out that, if you <i>really</i> want to get persnippity about their stats reporting, you should demand that they repeat their tests several times, and report each datum with an error bar. :)

Of course, most of my suggestions for improvement involve the word "bar."

-sheq

Reply
RE: Those FPS Charts, Again by Renoir, 1267 days ago
I feel it's important to put a lot of these results in perspective with regards to their level of significance. For me personally when looking at results I find the thing that I find most useful is percentages. Lately it seems that a lot of system variables (memory timings/frequency, cpu cache etc) often result in differences of less than 10% in most cases which to me isn't that significant when just getting 1 higher speed bin on your cpu would get you that and probably for less money than say buying the very best ram. I guess I'm saying that when I see graphs that are zoomed in to highlight minor differences I find myself thinking "ok I see why they've done that but it would be nice to be given a percentage so that I can make a quick and dirty evaluation of whether the difference is significant or not". Just some random thoughts :-)

Reply
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