Biostar NF4UL-A9: Features and Layout

 Specification  Biostar NF4UL-A9
CPU Interface Socket 939 Athlon 64
Chipset nForce4 Ultra (single chip)
BUS Speeds 200MHz to 300MHz (in 1MHz increments)
PCI/AGP Speeds Asynchronous (Fixed)
PCI Express Fixed
Core Voltage Startup, 1.2V to 1.625V in 0.025V increments
DRAM Voltage Default, 2.7V, 2.8V, 2.9V
Chipset Voltage NA
Hyper Transport Ratios Auto, 1x, 2x, 3x, 4x, 5x
LDT Bus Transfer 16/16, 16/8, 8/16, 8/8
CPU Ratios Startup, 4x to 25x in 1x increments
DRAM Speeds Auto, 100, 133, 166, 200
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 1 x16 PCIe Slots
1 Xtreme Graphics Port (AGP 8X Form Factor)
2 x1 PCIe
3 PCI Slots
Onboard SATA 4-Drive SATA 2 by nF4
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
Onboard USB 2.0/IEEE-1394 10 USB 2.0 ports supported nF4
2 1394A FireWire ports by VIA VT6307
Onboard LAN Gigabit PCIe Ethernet by Vitesse VXC8201 PHY
Onboard Audio Realtek ALC850 8-Channel codec with 6 UAJ audio jacks, CD-in, front audio, and optional coaxial SPDIF cable
Other Features Dual-Core (x2) Support with BIOS nf4ua614
BIOS nf4ua614

Biostar took a different approach in the design of their nForce4 Ultra board. If you look closely at the video card slots, you will see how unique this board really is.

Your eyes aren't deceiving you. There is both a PCIe x16 slot and a slot that appears to be AGP 8X. We say "appears" because Biostar calls the "AGP form-actor" slot an XGP or eXtended Graphics Port slot. Like a similar design that we first saw on an ECS board about 6 months ago, the Biostar is not a true AGP 8X slot, since it is derived from the PCI/PCIe bus. We will test the XGP slot in our benchmarks to see what kind of performance hit the XGP entails.

Even though it is not a full 8X AGP slot, the Biostar is still a unique and useful choice for those having AGP cards that they are not ready to replace. Those buyers can go to the Biostar with their current AGP card and still have the option of moving to PCIe on the same board at some time in the future. Since nForce4 does not support AGP, the Biostar allows AGP users to choose an nForce4 board anyway.


Click image to enlarge.

The Biostar is basically a sound board layout, particularly for a lower-priced nF4 motherboard. The 4-pin 12V power connector requires snaking the 4-pin power cable over or around the CPU, a design that many others also use. The board edge is a better location, and fortunately, the 24-pin ATX cable does reside on a board edge where it belongs. The 4 SATA connectors are a tight fit next to the PCIe slot, but they will work - even with a very long PCIe video card with dual power connectors.

The floppy connector is on the lower right edge of the board, which is certainly a better location than the bottom of the board, but still a longer reach than the preferred upper right location. Turning the IDE connectors sideways allows them to fit on the right edge near the center of the board. In most case designs, this will work fine, but a tall case with drives above the board chamber might require snaking IDE cables over DIMMs - not ideal for air flow.

BIOS controls on the Biostar were a pleasant surprise for an entry-level nForce4 Ultra motherboard. Just about every adjustment that you need for overclocking is here, including a useful vDIMM range to 2.9V, a wide CPU voltage adjustment range, and CPU ratio adjustments. The same goes for features, as our board even had dual Firewire ports controlled by a TI controller. Firewire is one of the first options to go when manufacturers build to a price point.

The only glaring omission is the lack of a standard SPDIF optical or coaxial out port. A board with 8-channel sound and 6 jacks should have a supplied SPDIF connector, not an optional feature.

We also ran into a very strange anomaly when benchmarking the XGP graphics slot. When we mounted an 8X AGP card and selected PCI as out boot video, the system booted just fine into Windows XP. However, the Gigabit LAN had mysteriously disappeared and no amount of searching for new devices would bring it back. We removed the AGP and reinstalled a PCIe video card and the Gigabit LAN was back. We hope that Biostar can find a way to correct this strange behavior in a future BIOS update.

Abit Fatal1ty AN8: Overclocking and Stress Testing Biostar NF4UL-A9: Overclocking and Stress Testing
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  • ChineseDemocracyGNR - Saturday, July 9, 2005 - link

    "If you looking to save even more money, the 9NPA, based on the nForce4 x4 chipset, has a street price of around $90. You give up the SATA 2 support and 1000 bus, but most of the performance features are still available in the same basic motherboard. "

    I think you're talking about the 9NPAJ motherboard, which uses the nForce4 chipset and supports "2.0 GTs HT FSB".
  • truteck - Monday, December 19, 2005 - link

    Regarding the post from ChineseDemocracyGNR on: Jul 9, 2005 3:19 PM
    Quoting statement from Anandtech's reviewer:
    "If you looking to save even more money, the 9NPA, based on the nForce4 x4 chipset, has a street price of around $90. You give up the SATA 2 support and 1000 bus, but most of the performance features are still available in the same basic motherboard. "
    -------------------

    ChineseDemocracyGNR:

    I think you're talking about the 9NPAJ motherboard, which uses the nForce4 chipset and supports "2.0 GTs HT FSB".

    -------------------
    I agree with ChineseDemocracyGNR! To AnandTech:
    No disrespect intended!
    "Sorry to say, but i believe your statement is wrong".
    The Epox Model # EP-9NPA+Ultra MoBo does support Sata-2 drives.
    I don't know where you got that incorrect info.
    Also, i'm not sure what you are refering too about your other statement about "giving up 1000 bus"? It supports 2000 bus.

    T_T
  • TheGlassman - Saturday, July 9, 2005 - link

    HTT's multi's were listed in the review.
    I have confirmed that the Chaintech's 6-03 bios overclocks just fine with single core cpu's.
    Phiro, I understand your point, and it is a good one.
    For me Anandtech reviews are one of my primary tools for deciding what hardware to buy. I think it is the same for a lot of people. Anandtech has earned this trust. That is why this review is disturbing. The results do not match my experience. You might notice in my previous posts, that I have followed false trails trying to figure out why. I cannot explain why the Chaintech board (and others with experience with other boards) performed so poorly in overclocking.
    The reason this is imoportant is that the final ratings follow the philosophy stated in the beginning, that a better overclocker is a better board, because the actual performance at stock speeds is equal.The application testing bore this out.
    Us 'bleeding edge" guys are well aware of how very small changes can make a big difference in performance. The fact that the award winners were using bios's not available to the public ( I have just now rechecked) that are dated a few days after their most recent bios, (for dfi, a beta which carries no warrantee support, their last release bios (the one that will be on the board you buy) is dated in March), throws the final results into doubt. In other words they appear to be special bioses for this test.
    In the past, Anandtech has been very forthcoming when using a beta bios, explaining why, and stating that the board maker will make it available, or the included features available in a release bios. This was not done, they were not even labeled as beta's.
    When Anandtech labels a board as an award winner, it is giving it's seal of approval, that people such as your self and myself will factor in when making a buying decision. The truth is under your criteria, any of these boards will serve you very well. From the application tests, your decision should be based on a) a good match to your programs, b)features you need or think you may need, and c) price. Anandtech's recommendation is irrelevant.
    Anandtech's "forum-bleeding edge" audience is larger than you assume in your estimate. The fact that you are looking at an nVidia board at all says you are very involved in you purchasing decisions, other wise you would let some one else handle it for you. "gimme something that works" would be your involvement.
    Anand awards have been given to 2 boards that you cannot buy, or so far even upgrade, to "as tested".
    Speaking for myself, computer hardware is hard to keep up with, and losing a rock like Anandtech will be a great loss. I hope that will not happen, but excellent sites do fall by the wayside if they slip too far.
  • Phiro - Friday, July 8, 2005 - link

    I think Anandtech has their audience nailed down about 80% of the time - their one flaw is listening to their forums a little too much IMO.

    Too many people have posted "oh what a dumb review we already bought our motherboards blah blah blah" - a GOOD example of not listening to the forums. If you're posting on the forums, you've probably been here for some time and you're in that 1% of computer users who qualify as "bleeding edge". Anandtech doesn't want to constantly address just the bleeding edge audience - as fun as you can be, you're 1% of the market, and for every right decision you make, you make wrong decisions.

    To rip on Anandtech a little bit though, they do listen too much to the forum overclockers. The vast majority of users have NO interest in overclocking. 4% higher framerates isn't worth goofing around with voltages and installing a water cooling system.
  • arswihart - Friday, July 8, 2005 - link

    I think its funny that so many people are now like, "Epox is the best" "they OC the best" "I'm gonna get one of those Epox NF4 boards that Anandtech reviewed". I have told you for months that Epox is nice, and to get the 9npa+, and great reviews have been floating around for a long while now. someof you take Anandtech's word as the word of GOD. That is hilarious and I guess its to be expected out of the mainstream audience that reads Anandtech.

    About the 9npa+ and 9npa SLI, OFFICIAL dual-core BIOS's were just released today by Epox. Enjoy.
  • TheGlassman - Friday, July 8, 2005 - link

    Good question. It could explain the problems experienced with most of the boards. The chipset will run well over 1000 with no problem, but 1200ish will cause the boards various problems, usually a reset to a safe mode.
  • Peanya - Thursday, July 7, 2005 - link

    Hmm I wonder if they tried a 3x LDT multiplier on some of those boards. I'm thinking that's why the Abit wouldn't get past 250MHz. I've not only seen reviewers get well past there, but many users. Some brands automatically lower the LDT for you, whereas some do not. Was this taken into consideration?
  • AtaStrumf - Thursday, July 7, 2005 - link

    MOBOs have always been messy things to test, debug etc. The thing I hate most is changing the MOBO, because there are so many possible problems associated with it.

    I do have one HUGE gripe with this roundup. You chose to test DFI's non SLI board as a control for SLI/Ultra boards, but that happens to be the worst possible choice. Why? Because, as you pointed out yourself, that is exactly THE SAME board, with just one pin on the chipset shorted/cut. For control you should have tested the worst case scenario, like a physically different board (just one PCIe 8x/different layout, feature set) possibly a newer revision. This brings us to the biggest problem with this kinds of assumptions and MOBO testing in general. Different versions, REVISIONS, bios', different memories, variable sample-to-sample MOBO quality, and now to top it off, different Athlon CPU revisions. I definately think you should not have made the assumptions that you did and should have tested ASUS, MSI and GIGABYTE NF4 Ultra boards. They are afterall one of the biggest enthusiast MOBO manufacturers.

    If you want to keep your reputation you should definately pay more attention to this sort of things. Don't rush so much! You don't have do a roundup, post individual board reviews and take more time with them. Like you did with the DFI! You should even get at least three samples of each MOBO from different sources and compare them in order to really be able to get reliable results. Forum posts from other people can be very misleading, because of all the variables and skills these people have. This would make you THE BEST ;-) As things stand now, you're pretty mediocre I'm afraid.

    One typo I found:

    Page 19:

    Our past tests have shown performance of the AGP-8x and PCIe **688** Ultra to be virtually identical

    Probably 6800 ;-)
  • Viper4185 - Thursday, July 7, 2005 - link

    1) Wesley next time please can you post instructions of how to run memtest to determine the best tRAS rating for your memory. I emailed you in your last article and received no response. Yes, I am a n00b. Perhaps someone else can tell me :P

    2) I have the same memory as you, how do I check if it is TCCD or TCC5?

    3) You don't actually say which ethernet controller is better, the Marvell or the NVIDIA?

    4) I think it was a big mistake for you to leave out the Gigabyte boards. For those that are interested in the Gigabyte boards compared to some of the above check out this review.
    http://www.hardwarezone.com/articles/view.php?cid=...

    Otherwise good review, thanks Wes. Hopefully you can answer Q1-3 or someone else :)
  • Jotequila - Thursday, July 7, 2005 - link

    Hum.... Chaintech VNF4-Ultra can reach 275+ FSb easily, there are so many users here that can say same thing as me....

    There is something strange on the results, i can bet that other mobos on the round-up can reach high mhz too....

    Look this:

    http://img55.imageshack.us/img55/2891/superpi17hi....

    Is with my chaintech, i think that you are cheating things here...

    Best Regards,

    Juan Edaurdo Donoso

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