Disk Controller Performance

The AnandTech iPeak test is designed to measure "pure" hard disk controller performance, and in this case, we keep the hard drive as consistent as possible while varying the hard drive controller. The idea is to measure the performance of each hard drive controller with the same hard drive.

We played back our raw files that are recorded I/O operations when running a real world benchmark - the entire Winstone 2004 suite. Intel's iPeak utility was then used to play back the trace file of all I/O operations that took place during a single run of Business Winstone 2004 and MCC Winstone 2004. To try to isolate performance differences to the controllers that we are testing we use the Seagate 7200.10 Barracuda 320GB 7200 RPM drive in both SATA and IDE offerings for our tests. The drive is formatted before each test run and a composite average of three tests on each controller interface is tabulated in order to ensure consistency in the benchmark.

iPeak gives a mean service time in milliseconds; in other words, the average time that each drive took to fulfill each I/O operation. In order to make the data more understandable, we report the scores as an average number of I/O operations per second so that higher scores translate into better performance. This number is meaningless as far as hard disk performance is concerned, as it is just the number of I/O operations completed in a second. However, the scores are useful for comparing "pure" performance of the storage controllers in this case.

iPeak Business Winstone Hard Disk - SATA/IDE

iPeak MM Content Creation Hard Disk - SATA/IDE

The performance patterns hold steady across both Multimedia Content I/O and Business I/O, with the NVIDIA nForce 500 based SATA controllers providing a slight improvement in I/O operations over the Intel, JMicron, and Silicon Image SATA controllers. This has been a historical trend between the two manufacturers with the NVIDIA controllers generally having a higher throughput than the Intel chipsets. We look forward to seeing how well the ATI SB600 will perform with an Intel processor in the upcoming DFI ICFX-3200 based on the RD600 chipset.

Of note in our SATA tests is the excellent performance generated by the JMicron controller logic that scored higher than the Intel ICH7R or ICH8 based SATA controllers in the Business Winstone test. However, in the read and write heavy Content Creation tests we see the Intel SATA controllers placing ahead of the JMicron offerings. After reviewing the test script results we noticed the write operations of the JMicron JMB363 chipset was about 3% slower than the Intel ICH chipsets while being around 2% faster in read operations.

The VIA VT6410 controller offered the best performance in the IDE tests with the JMicron JMB363 finishing last. During initial testing with the JMicron chipset we noticed several boards having issues with the optical drives being stuck in PIO mode resulting in terrible performance. However, this issue was solved with BIOS updates from the motherboard suppliers. We do want to note that unless you utilize the JMicron JMB363 for RAID operation then do not load the JMicron driver or allow Windows Update to install the newly released driver. Installing this driver will usually result in sporadic operation of the IDE port or failure to recognize your optical drive.

Overclocking Performance Disk Controller Performance - RAID
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  • zjohnr - Tuesday, November 7, 2006 - link

    In all the features tables for the motherboards in this article the PCI slots are listed as being PCI v2.3. However, looking at the pictures for the boards, the slots have PCI v2.2 keying. I think the entry in the features tables is wrong. (Is it?)
  • Patsoe - Saturday, October 28, 2006 - link

    Seeing all the trouble with the P965 - especially with the non-intel p-ata controller and with the ich8r - I'd be inclined to get a Core2-ready i945P board with ICH7R instead. Would that be a sane idea?
  • BadThad - Tuesday, October 24, 2006 - link

    Is the v1.02G Asus P5B-E using all solid capacitors? I read a press release stating that Asus was releasing the "P4B-E Plus" version with all solid caps. Rumor says the "Plus" version will not be sold in the USA.....arrgggggg. Tell me that's not true. I want the solid caps for long-term reliability. I'm wondering if our "Plus" is actually the v1.02G?

    Thanks
  • Gary Key - Tuesday, October 24, 2006 - link

    The 1.01G and 1.02G boards are exactly the same except for a PLL controller. Asus stills states the P5B-Plus will not be imported into the States but you never know.
  • keithke - Monday, October 23, 2006 - link

    I was interested to hear you used this Scythe Infinity Air Cooler as I was going to do the same. Were there any issues with the Northbridge heatsink sitting so close? Or did it just plop right in with no spacing issues?

    Thx
    Keith
  • Gary Key - Tuesday, October 24, 2006 - link

    No issues with the Inifinity on all four corners. It is a close fit but it works fine with the enclosed fan.
  • SniperWulf - Monday, October 23, 2006 - link

    Hey guys,

    Did you have any strange anomolies with the X-fi on the DS3 while overclocked? When I was using that board with the F6 bios, I'd have to reboot like 3-4 times before windows would properly detect it. I eventually grew tired of it and bought a P5B-D so I haven't had a chance to try F7 with it.
  • Gary Key - Monday, October 23, 2006 - link

    I did not have any issues with the X-FI on the DS3 when it was overclocked. The F5 and F6 BIOS releases were not X-FI friendly where F4 was perfect. F7 is working for some and not others, I did not have an issue with it. F8 will fix it for good.
  • schlumpfi106 - Monday, October 23, 2006 - link

    Im a little bit disappointed that there are so few informations about the cooling/silencing-related capabilitites of the boards. I would like to know how many fans can be connected, if the connectors are 3- or 4-pin, and if there is a way to control the fan speeds (preferably via SpeedFan). I don't care about a one-percent performance difference. My first priority is a reasonably silent system.
  • goinginstyle - Monday, October 23, 2006 - link

    quote:

    I would like to know how many fans can be connected, if the connectors are 3- or 4-pin, and if there is a way to control the fan speeds (preferably via SpeedFan).


    He mentioned the number of fan headers on each board and even added a couple of comments on the ones that did not work right. In the features section there was a statement about whether the included utility worked or not. Sure he did not say anything about SpeedFan but how far do you want a guy to go after 26 pages? Also, if you click on the Enlarge picture on the boards you can clearly make out whether the fan headers are 3 or 4 pin.

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