Introduction

With the launch of AMD's socket AM2, many people want to know which AM2 motherboard is best. We've already provided extensive coverage of the new nForce 500 chipsets and ATI's RD580 chipset, and we reviewed two NVIDIA based motherboards in part one of our nForce 500 motherboard roundup. This article is part two of the roundup, taking a closer look at two more motherboards: the Foxconn C51XEM2AA and the Gigabyte GA-M59SLI-S5.

The Foxconn motherboard is the same board that was sent out with the NVIDIA review kits for the nForce5/AM2 product launch. It uses NVIDIA's top nForce 590 SLI chipset, although testing is now being done with the latest P20 BIOS revision. The Gigabyte board also uses the same nForce 590 SLI chipset, so these are both premium motherboards. Gigabyte also has several other AM2 motherboards planned, including an nForce 570 SLI board. The Foxconn board is already available online, with prices in the $210 range. The Gigabyte board should be available within the next few weeks, and will also target the $200+ market.

Part of the difficulty with the AM2 launch is that performance hasn't significantly changed from what we saw with socket 939. If you already have a decent socket 939 system, there's very little reason to go out and upgrade right this minute. In fact, we really wouldn't recommend anyone go out and purchase a new AM2 or 939 processor unless you're in a big hurry, as AMD should be significantly cutting prices next month. Once that happens, though, anyone that has been holding off upgrading to a dual core processor might finally feel compelled to take the plunge. Of course, we're also waiting to see exactly what happens with retail pricing and availability of the Intel Core 2 Duo processors and motherboards, which could be one more reason to wait. Come next month, things should become a lot clearer, and if you end up wanting an AM2 motherboard we should have quite a few options reviewed.

So let's see what Foxconn and Gigabyte have to offer the AMD enthusiasts. Much of what we've already said in our coverage of the nForce 500 chipsets and part one of our roundup still applies, so we are primarily interested in looking at the feature sets and making sure that performance is acceptable. We will provide general comments to this effect, and we will pay particular attention to any areas where these boards exceed or fall short of the competition.

Motherboard Features
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  • Kougar - Friday, June 23, 2006 - link

    Just wanted to say thanks for another good review!

    Really appreciated all the charts and info on the sound, as I've been eyeing the $25 Audigy2 SE (SB570) card that's now out as an upgrade to my old AC97, since it appears to be better than the older Audigy2 ZS (SB360) in some areas... Primary motivation was to offload work from the CPU. Hmm
    Reply
  • Operandi - Thursday, June 22, 2006 - link

    I think we've gotten to the point now where performing benchmarks on these boards has gotten to the point to where it should be of little concern. I/O performance is slightly more useful but again generally the same within the same chipset family.

    I not saying the benchmarks are not important, they are. But from a real world stand point it’s so close you’d never now the difference if somebody didn’t illustrate it for you in a pretty graph.

    I would like to see more attention paid to board features, by that I mean features aside from overclocking options. Some of us actually have other priorities other then all out performance. For awhile there you guys were looking at fan control for example. What happened to that?, that’s something I found useful, loud fan’s are no fun.

    It would also be nice to know about the bundle of the board, what it includes and what it doesn’t, w/ pics.

    Providing some information some information on the caps used on the board would also be appreciated.
    Reply
  • JarredWalton - Thursday, June 22, 2006 - link

    I did try to focus more on features as opposed to benchmarks. The benchmarks are mostly used to show that none of the boards have severe performance problems. Overall, I think the Gigabyte board has more features, with the exception of FireWire 1394b support. I would also say that right now the Foxconn motherboard has the better BIOS implementation.

    In terms of fan control, both motherboards reviewed here do have "smart fan speed" options in the BIOS. Given that there are no fans on the Gigabyte motherboard, noise is something that will be created by the CPU fan, GPU fan(s), and case fans rather than the motherboard. If you are worried about system noise levels, the choice of cooling and case is going to be almost certainly be more important than the motherboard.

    Capacitors? I know the Foxconn board uses some Rubycon capacitors; you can see the label on the close-up shot. My understanding is that these are good capacitors, but honestly I don't know. The Gigabyte board uses Rubycon capacitors as well, though it's a bit more difficult to see the name in the enlarged image of this area.

    As far as accessories goes, we only received a preproduction motherboard from Gigabyte, with a few accessories. We are waiting for the complete retail board to show up, and I will provide an image here once that arrives. I did take a picture of the Foxconn accessories, though I didn't include it in the actual article because it just didn't seem that important. For those that are interested, here it is:

    http://images.anandtech.com/reviews/motherboards/r...">Foxconn Accessories
    Reply
  • Operandi - Friday, June 23, 2006 - link

    Since a system is only as quiet as its loudest fan, fan control is a very important tool. In my opinion just as important as heatsink, fan, and case choice.

    The whole idea behind BIOS (or software) level fan control is that it offers dynamic control over all of those loud CPU, system, as well northbridge fans; it has very little to do with the noise output of the motherboard itself. Basically it’s much better alternative to manual fan controllers, you get the cooling performance when you need it (gaming, encoding, ect.) and much quieter system then would otherwise be possible at idle. Having built several high-end yet dead silent systems it’s pretty much a requirement for me at this point.

    More to the point fan control is a feature and since we both agree that features are more important then the benchmarks why exclude it?
    Reply
  • JarredWalton - Saturday, June 24, 2006 - link

    I can't remember the last time I encountered a BIOS without fan speed controls. It wasn't excluded because it's not important, but more because it's so common now that I take it for granted. Sorry. Will try to make sure I mention this next time. :) Reply
  • Operandi - Tuesday, June 27, 2006 - link

    Excellent ;)

    BIOS fan control is kind of like overclocking options. Most boards at least support it but some are obviously better then others.

    Example, some boards may only control the CPU fan, or offer very little in the way of flexibility. Others are much better; and can control multiple fans and offer a wide range of temperatures and speed settings.
    Reply
  • Per Hansson - Friday, June 23, 2006 - link

    The caps used on the Foxconn are Rubycon MCZ which is the best cap out there period, however I also saw a small Ost cap in the high-res picture but generally caps below 1000µF rarley fail (and Ost is among the better of the crap brands...)

    And to answer the comment about Rubycon and Taiwan; They make most of their caps in Japan, check their site out, Rubycon is one of the largest and definantley best regarded capacitor manufacturer. AFAIK they only have a branch office in Taiwan

    I think mainboard manufacturers that only use good capacitor brands should deserve a definitive extra point for this, because unlike the other comment the "capacitor issue" is not at all over, it is only getting worse with increased demands on newer processors with more cores and higher power usage... Currently there are more Pentium 4 boards with Badcaps than there are AMD being reported on the site Badcaps.net but that is most likley because the P4 boards simply demand more from the capacitors so they fail sooner. If crap caps are used on AMD boards it is however just a matter of time untill they will also fail.

    There is a reason Abit took the plunge after the lawsuit against them and went with 100% Rubycon only capacitors...

    Just FYI on the Foxconn I spotted these cap brands:

    Rubycon MCZ for VRM input (12v side)
    Fujitsu fpcap (V-Core side of VRM, the yellow caps...)
    United Chemi Con (unknown model but probably KZG, spread around the board...)

    On other samples I have also seen Teapo and Lelon, the Lelon are utter crap, in the same level as GSC, on this sample there where not Lelon though, easy to spot with their light green color...

    So the Foxconn is IMO a mixed bag, on one side they really spent some money for good caps around the VRM and also the nice Chemicon caps spread around the board, but cheaped out on the TEAPO, Ost and other misc stuff... The bad caps might be ok though since they are below 1000µF but might still cause the strange mysterious issues like power down/up failures (cold boot issues) etc...

    The Gigabyte uses 2x 3300µF Sanyo (probably WG) caps for CPU VCORE, along with 4x Sanyo solid Polymers, a very odd combination that I have not seen used elsewhere... Then it uses only 3x input caps for the 4-phase VRM however they look pretty large so they might hold more capacitance than more regular layouts with one cap for each phase... (they appear to be Nichicon but I'm not certain)
    Next there are a few United Chemicon caps spread out, along with Nichicon HM

    Had this been an older board the Nichicon HM would have been given a warning but that issue seems to have been fixed by now (there was a bad batch that affected even Intel mainboards...) Still if they are old capacitors from stock there could be problems, but I think Gigabyte known better than this...

    So to recap (haha) I would say that the Gigabyte gets my 2x thumps up for Capacitor choices and the Foxconn only gets one due to cheaping out on the small capacitance caps, of course with the note that I own neither board and am only going by the not so high resolution pictures of this review...

    But all in all a heads up to Anandtech for providing high-res pictures of some of the capacitors, good job
    Reply
  • sprockkets - Friday, June 23, 2006 - link

    Just to add, yes, Lelon caps exploded on my MSI boards, and on my Chaintech 7SID0 board, a great SIS735 board, the OST caps are exploding on them. Oddly enough though, the OST caps on my old Shuttle XPC SS40G are not.

    On the Foxconn board, their uATX nforce 4 board, it also uses rubycon for the power supply side but cheap ones for the rest.
    Reply
  • JarredWalton - Friday, June 23, 2006 - link

    Damn... I humbly bow to your *far* superior capacitor knowledge. I did get hit by the badcap bug with an older Abit BE6-II board, and had a few systems I built fail for similar reasons. Thankfully, no recent problems for me. I've tried to get better pictures of the capacitors, but I have yet to figure out how to get clear pics without depth-of-field coming into play. Gary managed to get much better results, so most of the images are from him.

    BIOS failures are my problem lately... I've had four boards die during BIOS updates the past 6 months, and two last week. (Possibly an early AM2 issue).
    Reply
  • Per Hansson - Friday, June 23, 2006 - link

    Well, thank you but it's become more of a necessity to learn (by replacing dead capacitors on mobos because the mobo manufacturers cheaped out in the first place...)

    About the pics, I assume the Sony DSC-H1 camera is Garys? Quite impressive shots, I've been looking for a replacement for my Konica KD-400Z but never found anything with a much better macro function than my Konica for the use I have... And don't wanna go SLR...
    Reply

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