nForce4 SLI Roundup: Painful and Rewarding
by Wesley Fink on February 28, 2005 7:00 AM EST- Posted in
- Motherboards
Asus A8N-SLI Deluxe: Features and Layout
| Specification | Asus A8N-SLI Deluxe |
| CPU Interface | Socket 939 Athlon 64 |
| Chipset | nForce4 SLI (single chip) |
| BUS Speeds | 200MHz to 400MHz (in 1MHz increments) |
| PCI/AGP Speeds | Asynchronous (Fixed) |
| PCI Speeds | 100MHz to 145MHz in 1MHz increments |
| Core Voltage | Auto, 0.8V to 1.65V in 0.0125V increments |
| DRAM Voltage | Auto, 2.6V to 3.0V in 0.05V increments |
| Chipset Voltage | None |
| Hyper Transport Ratios | Auto, 1X to 5X in 1X increments |
| LDT Bus Transfer | 16/16, 16/8, 8/16, 8/8 |
| LDT Voltage | None |
| PCI Synchronization | Auto, To CPU, 33.33MHz |
| CPU Ratios | Auto, 4x to 20x in 0.5x increments |
| DRAM Speeds | Auto, DDR200, DDR266, DDR333, DDR400, DDR433, DDR466, DDR500 |
| Memory Command Rate | Auto, 1T, 2T |
| Memory Slots | Four 184-pin DDR Dual-Channel Slots Unbuffered ECC or non-ECC Memory to 4GB Total |
| Expansion Slots | 2 x16 PCIe Slots 2 x1 PCIe 3 PCI Slots |
| SLI Setup | Movable PCB Card |
| Onboard SATA | 4-Drive SATA 2 by nF4 PLUS 4-Drive SATA by Sil3114 |
| Onboard IDE | Two Standard nVidia ATA133/100/66 (4 drives) |
| SATA/IDE RAID | 4-Drive SATA 2 PLUS 4-Drive IDE (8 total) Can be combined in RAID 0, 1 PLUS 4-Drive SATA by Sil3114 Sil3114 Raid 0, 1, 5 |
| Onboard USB 2.0/IEEE-1394 | 10 USB 2.0 ports supported nF4 2 1394A FireWire ports by TI 41AY42T |
| Onboard LAN | Dual Gigabit Ethernet PCIe by Marvel 88E1111 PHY PCI by Marvel 88E8001 |
| Onboard Audio | Realtek ALC850 8-Channel codec with 6 UAJ audio jacks, CD-in, front audio, and both coaxial and optical SPDIF |
| Other Features | 3-slot SLI spacing |
| BIOS | Award 1005 Beta BIOS |
When the Asus A8N-SLI Deluxe was first introduced, prices were in the stratosphere. However, after several weeks on the market, prices have settled solidly below the $200 price point. Several online retailers now offer the Asus SLI in the $175 range. The feature set and Deluxe name are generally reserved for Asus for their "notch-down" boards, which might indicate that Asus has plans for a top-line Premium board in the future.
We have commented before that Asus pays close attention to the layout of their motherboards, and that also shows in the A8N-SLI Deluxe. Connectors are all where they should be - IDE, floppy, ATX and 12v are all conveniently located for easy access. In fact, our only real complaint is the so-called EZ-plug that Asus uses to provide more power to SLI. It is bad enough that two top-end video cards require 4 Molex connectors to power them, but on the Asus board you also have to connect another 4-pin Molex for additional video card power. Asus says that this is required for "stable SLI operation", but the other 3 SLI designs do fine and are quite stable without the 5th power connector.
In its favor, the Asus was the only SLI board that allowed you to change the setup from "normal" to "SLI" without having to first remove the video card. The design of the PCB was also the best of the group with positive side locking that looked like it might survive a few changes. We also very much liked the locks on the video slots because you could release them from the back of the slot as well as the front - a real plus with double slot cards.
The feature set on the Asus is just average in this roundup. There are two gigabit LANS, but #2 is PCI instead of the faster PCIe. Audio is the rather average Realtek 850 with nothing special in the Asus implementation - quite a step down from the leading edge designs of some Asus boards for Intel processors. Firewire is also 1394a, or Firewire 400, when Asus uses Firewire 800 on their recent Intel boards. Another way to put this is that this Asus A8N-SLI is certainly not up to the high design standards that Asus has set for their recent Intel designs. Perhaps there is another Asus SLI in the works that will do a better job at bringing high-end features to Asus nForce4.
The storage area is an area where it first appears that the Asus stands out. Asus fully supports the nVidia SATA 2 and IDE any drive RAID features, and then offers an additional Silicon Image 3114 SATA RAID controller that even supports RAID 5. In the end, 3 of the 4 SLI boards provide the same Sil3114 controller, which is SATA 1, and does not support SATA 2 drives.
The Asus is certainly a competent SLI motherboard, but it is pretty average in this roundup and does not stand out in any way other than the wide space between the video slots. Add to this below-average overclocking abilities and the problems experienced with our 6800 Ultra cards on just the Asus board, and it is hard to get too excited about this particular Asus board. Asus engineering is an important benefit with any Asus product, and the resources of this giant company are impressive. But as you will see in the roundup, there are better choices among the SLI boards available.
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fitten - Tuesday, March 1, 2005 - link
quote:I still do not understand why this argument is so popular. Why is the general assumption that purchasers of SLI capable boards will immediately want to jump into a dual-card config? The idea is flexibility. Sure, 2 6800's are expensive now, but they will inevitably get cheaper.Well, if history serves as a measure... by the time that 2nd board becomes cheap enough to justify its cost, there will be a new board out (say, the nVidia 7800) that will be as fast, or faster than, the SLI combo.
I used to buy motherboards with two sockets for this very reason (flexibility to upgrade to two CPUs later) until about twice doing this I learned that by the time I was ready for that 2nd CPU, there was one out that was faster than both put together.
Computers change too fast. If you perpetually buy on the bleeding edge, you cannot plan any upgrades past ~6 months and definitely not past 12 months. By that time, you'll throw away what you have and get the NextBestThing(tm). Buying SLI is bleeding edge. Saying that you'll buy the upgrade card in a year is just a rationalization to buy the bleeding edge now.
Aquila76 - Tuesday, March 1, 2005 - link
Yeah, that's right. Some apps run slower with SLI because nVidia hasn't SLI optimized the driver for that app (so it can then only utilize one card) and the SLI setup uses some overhead, resulting in slower results. Any new game/benchmark will use SLI just fine. The results in Half-Life and Doom 3 as well as if you add the config for stuff like NFS:U2 and whatever are well above one card though.Sunbird - Tuesday, March 1, 2005 - link
Is my brain screwed up or are the 3Dmark03 single scores higher than the SLI scores???chup - Tuesday, March 1, 2005 - link
too bad, i thought the MSI was the one to get after nforce2.sphinx - Tuesday, March 1, 2005 - link
From this review, I have come to the conclusion that ASUS is slipping. I have always been a supporter of ASUS but, I think this review shows how much ASUS is all about the money and not making quality products. Right now I am waiting for manufacturers to get the VIA chipset working properly. I haven't seen many news or reviews on VIA's new chipset. One other thing. Who in their right mind would spend close to $250 on nVidia's NF4 if there is really no significant performance jump from the NF3.bigbusa - Tuesday, March 1, 2005 - link
You mentioned the asus manual says use a 500+W PS. if you read the Asus users guid the sli 6800 ultra system also has all pci slots used, all memory dims full, 2 optical drives, and anassortment of other stuff. and they recommend a 500+W, but a 350W PS for a dual 6600GT. See below.500+W ps for 55FX, 2x6800 ultra, 4ddr dims, 4 HD's, 2 optical, 1 pcie 1x card, 3 pci card, 1 1394, 6 usp devices. (shit thats alot of gear)
350W for a 3400(64bit 939), dual 6600GT, 2 DDRdims, 2 hd's, 1 optical drive, no pcie 1x, 1 pci card, no 1394, and 3 usb devices.
SO the article is misleading a bit.
The review also did not cover any quad displays and problems one may encounter when setting this up.
Reflex - Tuesday, March 1, 2005 - link
#70 - None of these boards support ECC. The reason for that is that such support would be implemented by the memory controller, not the motherboard manufacturer. In this particuliar case the memory controller is integrated into the CPU. AMD has a line of CPU's that have ECC support, they are called the Opteron and are designed for workstations and servers.In the home user market ECC does not significantly impact stability but it does harm performance by a small amount which is why the feature is not generally available on consumer solutions.
1955mm - Tuesday, March 1, 2005 - link
All in all I think that this is the best review of Socket 939 SLI boards that I have seen. I particularly liked the attention paid to storage and I/O capabilities. My one criticism is that although comments were made regarding stability, and a link was made between overclocking and stability, there was no discussion of ECC support. If system reliability is discussed, ECC should not be ignored. As far as I can tell, the only board supporting ECC is the ASUS board. Over the years I have found it difficult to get accurate information on ECC support, having been given misleading information on occasion by both MSI and ASUS.Aquila76 - Tuesday, March 1, 2005 - link
D'oh, *SoundSTORM Savior*That's it, I'm off to bed. It's quarter of 1:00AM and I have work tomorrow. Uh, today.
Aquila76 - Tuesday, March 1, 2005 - link
To everyone hoping the MSI upsamples analog 5.1 to Dolby Digital - I don't think so. Like any Creative card, it can either downmix DD-EX/DTS-ES 7.1 streams to 4/5.1 speakers (which is what page 5-11 of the manual is actually talking about doing), decode DD/DTS on-card to 5/6/7.1 speakers (via analog or 'Digital Out', Creative's proprietary digital link for their speaker sets), or can just pass the Dolby Digital/DTS 5/6/7.1 signal (now via the SPDIF coax/optical cable) to any outboard decoder.I say this because I have the same exact chip on a stand-alone card, and it does not upsample analog sound to Dolby Digital, like SoundStorm did. 'Digital Out' simply let's you use a proprietary Creative Digital DIN connector to connect one cable from the soundcard to the Creative speaker amp (like on a DTT3500 that I use).
I also find it highly unlikely that Creative would license a DD Live capable chip to only one manufacturer when they have yet to produce one of their own cards with this feature.
*Keeps waiting for a SoundStrom Saviour*