Intel® DQ35JO System Board
Intel® DQ35JO System
Board
| Form
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microATX (9.60
inches by 9.60 inches [243.84 millimeters by 243.84 millimeters]) |
|---|---|
| Processor |
|
| Memory |
|
| Chipset |
|
| Audio |
Intel®
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| Video | Intel® Graphics
Media Accelerator 3100 onboard graphics subsystem |
| I/O
control |
Legacy I/O controller
for serial ports |
| LAN
Support |
Gigabit (10/100/1000
Mbits/sec) LAN subsystem using the Intel® 82566DM Gigabit Ethernet Controller |
| Peripheral
interfaces |
|
| Expansion
capabilities |
|
| Microsoft
Windows Vista* Home Premium ready |
With a PC built
with Intel Core 2 Duo or Intel Core 2 Quad processors, and the Intel® Desktop Board, you can experience a more responsive and manageable environment of Microsoft Windows Vista including a new visual sophistication of the Microsoft Windows Aero* interface.  |
The Intel® DQ35JO system
board delivers measurable advantages including proactive security, energy-efficient
performance and remote manageability.
This board supports Intel® Core2 Quad processors and Intel® Core2
Duo processors up to 1333/1066/800 MHz system bus in the LGA775 package. This
board also supports Intel® Core2 processor with vPro technology,
is Microsoft Windows Vista* capable, and supports DVI-D and VGA dual independent
display support.
Intel Pentium 4 550 (3.4 GHz LGA775) Processor
Bjorn3D.com Reviewer
September 1, 2004
Hardware, Reviews & Articles
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Intel recently introduced a new processor package technology – Flip-Chip Land Grid Array – to the world, and Monarch Computer Systems sent one our way.
Check out this review to see what the new package is like and how the P4 550 clocked at 3.4 GHz performs.
Introduction
As clock frequencies ramp up, packaging is playing a key role in processor performance these days. Important things to keep in mind when thinking about a processor’s speed are the interfaces between it and its package and between the package and the motherboard. If the pins or interconnects for either of these interfaces cannot handle transferring data as fast as the chipset’s front side bus demands it, then the processor speed is limited by the interface. Although its current processors are not quite outperforming the ability of these interfaces, Intel Corporation decided recently that it was time to introduce a new package for their flagship Pentium 4 line of processors in order to get ahead of the curve a little bit. The engineers at Intel chose a design that is quite different than any other mainstream CPU available today.
The processor design itself has not changed; the packaging of the processor is what has changed. Intel is still using the recently released Prescott core (replaced Northwood) for their Pentium 4 line-up.
Intel’s new design is the flip-chip land grid array (FC-LGA) package. The most obvious thing that is so unique about this new design is that the pins are removed from the processor package. Yeah, you read that right. The pins are actually permanently attached to the motherboard in the new LGA775 socket. My first thought when I heard about this was, “Wow, no more worry about bending pins.” Unfortunately, that could not be further from the truth. Now, builders of Intel P4-based systems will have to worry about bending pins that are much harder to unbend, since being in the socket makes them more difficult to manipulate. However, since mainstream consumer motherboards are usually significantly cheaper than P4 processors, it may be fair to say that the consumer still comes out ahead with this new design.
However, I doubt that motherboard manufacturers producing motherboards with this new socket are thrilled at all about the prospect of more support calls or RMAs due to bent pins!
Another important thing to note about this new interface is that it allows 775 pins to be crammed into nearly the same space that only 478 and 423 pins were packed into with Intel’s previous P4 package/socket interfaces. Of course, more pins means that more power can be delivered to the processor, and more data pins can be on the chip as well. For those not keeping score, this is the third package design for the P4. With the new package and socket designs, Intel has introduced two new chipsets with some great new features.
The 915G Express, 915P Express, and 925X Express are the new chipsets introduced by Intel for this new round of Pentium 4’s (check out this chart for a comparison of the three). The two 915 chipsets are targeted at the mainstream PC market, and the 925X chipset is meant for the performance PC market.
All of these chipsets support PCI Express, an 800 MHz front side bus, Intel High Definition Audio, four SATA ports, and DDR2 memory. Obviously, Intel wants these new chipsets to take them well into the future.
Thanks to our friends at Monarch Computer Systems, Bjorn3D.com has one of these new LGA775 Pentium 4 processors to play with – the 550, which is clocked at 3.4 GHz. 550? Yes, in case you haven’t heard yet, Intel started using a new number scheme for its processors (more info). Intel has an entire lineup of these newly-numbered processors.
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Find the BEST PRICE for the Intel P4 550 @ PRICEGRABBER |
Specifications & Features
All of the specifications (except clock speed, of course) and features listed below are shared by all of Intel’s Pentium 4 LGA775 Prescott processors.
One thing to keep in mind is that there are Prescott processors based on Intel’s previous package technology (FC-PGA4) available as well as the new PC-LGA4. If you want to get a motherboard/CPU combo that you will be able to upgrade beyond 4 GHz, you should probably look for an LGA775 (Socket T) solution.
Specifications:
| Processor Number | 550 |
| Process Technology | 90 nanometer |
| Clock Speed | 3.4 GHz |
| Front Side Bus Speed | 800 MHz |
| L1 Data Cache | 16 KB |
| L2 Cache | 1 MB |
| Package | FC-LGA4 (Flip-Chip Land Grid Array) |
| Socket Type | LGA775 |
| Pin Count | 775-land (pins are actually in the socket) |
| Min-Max Voltage | 1. 25-1.40 |
| Supported Chipsets | Intel 925X and 915 |
| Supported Memory Types | DDR2 400, DDR 400/333 |
Features:
- Supports Hyper-Threading Technology
- L1 data cache size of 16 KB (twice that of Northwood)
- L2 cache size of 1 MB (twice that of Northwood)
- 31-stage pipeline (11 more stages than Northwood) – this actually can be a detriment to performance, but Intel did this so that they could ramp up the clock speed well beyond 4 GHz
- Improved branch prediction (helps the new, deeper pipeline’s performance)
- Streaming SIMD Extensions 3 (SSE3) Instructions
Installation
Even though the processor package of Intel’s LGA775 chips is lacking pins, the overall installation procedure is not very different from usual P4 or even AMD processor installations.
A few main differences do stand out, though. Since the socket works by simply making contact with the lands on the processor package, extra caution should be taken when handling the processor and the socket. Leaving oils or dirt from the fingers on the socket or lands could probably cause some serious, unwanted side effects. Even if the lands aren’t extremely sensitive to such things, it still seems as if these new processors require more care during installation than traditional socket processors.
Another interesting difference with this installation is the way the socket mechanism works. A metal frame pushes the processor down into its socket to provide the necessary pressure to maintain good, solid contacts between the processor-socket interface. Obviously this differs from the traditional socket mechanism that simply “locks” the pins of the processor in the socket. An important thing to realize is that this means where the CPU cooler used to help keep the processor in place by applying much of the force on it, this is really no longer necessary.
The CPU cooler simply has to be able to press firmly enough on the processor’s heat spreader to provide a good conduit for heat.
The retail CPU cooler that Intel provides with the 550 was very easy to install. After putting Arctic Silver 5 on the processor, I placed the heatsink and fan (HSF) unit on top of the processor and locked down the four posts that hold it in place. That was it! This should be a very welcome feature for people who are used to AMD Athlon installations that involve an excruciating process in which you could slip a screwdriver off a lever and ruin your motherboard. I have to give props to Intel for making this process easier than ever! To remove the HSF, you simply use a screwdriver to rotate each of these pins a quarter-turn or so and then lift the unit off.
|
Find the BEST PRICE for the Intel P4 550 @ PRICEGRABBER |
Performance
I think people usually like to see how an Intel system fairs against a competitive AMD system, so that is what I have decided to compare in this review – the 3.
4 GHz 550 featured here to an AMD Athlon 64 3400+. What makes this comparison even more relevant is that these processors are currently available at the same price point — near $300. Unfortunately, we only have Athlon 64 motherboards based on first generation chipsets from NVIDIA and VIA, so the performance of the Athlon 64 system is not quite what it probably could be. Nonetheless, the comparison is still an interesting one.
This article marks the debut of BAPCo’s SYSmark 2004 at Bjorn3D.com. Unfortunately, we had troubles getting it to work on the Athlon 64 test platform. It repeatedly generated errors and ended the program before the benchmark would complete, even with the latest patch installed. Surprisingly, not even a completely new install of Windows helped the situation. However, I was able to run it successfully on the Intel system, and those results are shown below.
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Intel System Configuration
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AMD System Configuration:
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0c, ForceWare 61.77 PCMark04 (1.2.0)
It looks like the 550 runs away with this synthetic benchmark. There really is not much to say, except that there are many different factors that could contribute to this, including the faster clock and the dual-channel memory configuration.
SiSoftware SANDRA 2004.SP2b (v 2004.10.9.133)
Again, the P4 550 dominates in synthetic benchmarks with the only exception being the Dhrystone ALU benchmark.
I honestly didn’t expect the 550 to dominate this much in floating-point benchmarks. The memory bandwidth result is especially impressive considering the RAM is rated as PC3200.
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Find the BEST PRICE for the Intel P4 550 @ PRICEGRABBER |
Performance
SYSmark 2004 (with patch 1)
Unfortunately, these results are not too exciting by themselves, but I decided to include them for anyone wanting to compare them to others they have seen around on the Internet. I spent a little time comparing these numbers to similar systems’ numbers, and they certainly seem to be on par with what we can expect from this system.
POV-Ray (v 3.6)
Since ray-tracing is a rendering technique that is very CPU intensive, I decided to include the standard POV-Ray benchmark in this article.
Persistence of Vision Ray-Tracer(tm) – POV-Ray – is a freely available tool that can be used for ray-tracing (a rendering technique often used to create impressive three-dimensional scenes).
| CPU | CPU Time Used | Average Render Rate |
| Intel P4 550 | 1788.23 seconds | 82.46 pixels/sec |
| AMD A64 3400+ | 1763.14 seconds | 83.63 pixels/sec |
It looks like the two processors perform very closely here. The P4 550 is out-rendered by 25.09 seconds and 1.17 pixels per second. Since this was about 30 minutes of rendering, 25 seconds probably wouldn’t seem like a big deal to most people; however, if the scene grows more complex and requires hours to render, that 25 seconds would become minutes, which might cause more people to take notice.
Super PI – 33.55 Million Digits
I wanted to get another number crunching real-world performance benchmark in this mix, so I added this Super PI benchmark.
The program allows you to select various numbers of decimal digits to calculate PI to, and out of sheer curiosity I chose the highest – 32M, which means 33.55 million digits.
| CPU | Time to compute 32M Decimal Places |
| Intel P4 550 | 34 minutes, 32 seconds |
| AMD A64 3400+ | 35 minutes, 53 seconds |
As you can see, it takes over 30 minutes for either processor to calculate PI up to 33.55 million digits. The Intel P4 550 comes out ahead, though, performing over one minute faster than the Athlon 64 system.
Unfortunately, we did not have a GeForce FX 5700 level video card to use in the Athlon 64 test system, so the results below are for only the Intel 550 test system, since it seemed like there would be little gained in comparing the two systems’ gaming abilities with one of them having a distinct advantage in the graphics subsystem.
AquaMark3
I only ran the default benchmark (1024×768, no AA, 4x AF, maximum detail) for AquaMark3, and I got the following results:
Aquamark Score: 23649 (which correlates to an average FPS of 23.
649)
GFX Score: 2698
CPU Score: 9549
These are certainly respectable scores for this benchmark. Of particular interest is the CPU score, which is about on par with other high-end CPUs that I have benchmarked.
Unreal Tournament 2003 Demo (2206)
For the UT2K3 demo benchmark, I used a custom script file in UT2K3bench to run a botmatch that included 12 bots to try to stress the CPU.
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Find the BEST PRICE for the Intel P4 550 @ PRICEGRABBER |
Overclocking
Although, the thought of an overclock lock can be discouraging, I decided to go ahead and give it a try with this P4 550. Unfortunately, I wasn’t even able to get very close to that 10% (the overclock lock percentage). I overclocked the front side bus (FSB) by 20 MHz, which resulted in a 10% overclock to 3.
74 GHz. It booted fine, and Windows loaded fine. However, PCMark04 would randomly error out when I ran it. I went ahead and backed the FSB down to 210 MHz, and I successfully ran PCMark04 and UT2K3 benchmarks with the processor clocked at 3570 MHz, which is a 5% overclock.
Please note how the charts are arranged slightly differently. I realized a little too late that this could cause confusion. The 5% overclock results in a performance boost in the range of 4.6% to 6.2%, which is what should be expected.
Conclusion
My experience with Intel’s new FC-LGA4 package has been a positive one. The installation was only slightly different than other socket processor installations, since the main difference is that the pins are located in the socket instead of on the processor. The worry of bending pins has shifted from the processor to the motherboard. Along with the pins being in the socket, the LGA775 socket differs from other sockets in one more important way.
Much of the force applied to the processor is actually delivered by the metal frame that closes down around the processor when the locking lever is pushed down. This means that the CPU cooler does not have to apply as much force as it has with previous designs. Installation and uninstallation of the cooler has definitely been made easier with this design.
If we consider only the synthetic benchmarks, the Intel P4 550 seems like a hands down performance winner for the near $300 price point. Clocked at 3.4 GHz, the 550 dominates these synthetic benchmarks soundly. However, the real world benchmarks paint a slightly different picture, showing that the Athlon 64 3400+ actually is quite competitive with the Intel 550, even on an older platform. Unfortunately, the lack of a comparable video card for the AMD system makes it hard to come to any conclusion about the graphics performance, and the struggle we had with SYSmark 2004 provided yet one less point of comparison. Nonetheless, the Pentium 4 550 does perform very well for its price point.
Monarch Computer Systems currently offers the entire LGA775 P4 lineup, with the retail P4 550 selling for $299.
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Find the BEST PRICE for the Intel P4 550 @ PRICEGRABBER |
Index J for Intel Pentium4 LGA-775 processors
May 25, 2005
Intel Pentium4 processors of the new 5xxJ series support the Execute Disable Bit function.
Intel Pentium4 processors for LGA-775 socket with index J have recently appeared on sale. In this regard, the MERLION Technical Support Center began to receive questions of the following kind: «What is the difference between processors from Intel with index J and counterparts with a similar number , but without a J at the end?»
The answer is simple — Intel processors with index J, for example, Intel LGA775 P4-540J (3200/800/1Mb) Box (product code 45972), support Execute Disable Bit technology at the hardware level.
Intel Pentium4 processors of the previous generation, for example, Intel LGA775 P4-540 (3200/800/1Mb) Box (product code 37917), do not have this function.
Function Execute Disable Bit , when using a compatible operating system, can increase the level of protection against malicious attacks aimed at buffer overflows. You can find other names for this function: NX-bit (the name comes from the fact that the implementation of the technology uses an additional control bit) or DEP (a term from Microsoft).
As an explanation, here is an excerpt from the Microsoft Windows XP help system:
Understanding Data Execution Prevention
Data Execution Prevention (DEP) is used to prevent viruses and other security threats from entering your computer that execute malicious code from areas of memory that should only be used by the Windows operating system and other programs. This type of security threat causes damage by taking up all the memory areas used by the program in turn.
The virus then spreads and damages other programs, files, and even email contacts.
Unlike a firewall or antivirus program, DEP does not prevent potentially harmful programs from being installed on your computer. Instead, it monitors programs to use system memory in a safe manner. To do this, DEP works alone or together with compatible microprocessors and marks certain areas as «non-executable». If a program tries to run code (any code) from a protected area, DEP closes the program and displays a notification.
DEP can use software and hardware support. To use DEP, your computer must be running Microsoft Windows XP Service Pack 2 (SP2) or Windows Server 2003 Service Pack 1 (SP1), or a later version of one of these programs. DEP software is used to protect against certain types of malicious code attacks, but to take full advantage of DEP’s capabilities, the processor must support «execution protection». This is a hardware technology designed to mark certain areas of memory as non-executable.
If the processor does not support the hardware version of DEP, it is recommended that you upgrade the processor to take advantage of the execution protection features.
We would like to add that in addition to Microsoft Windows Server 2003 Service Pack 1 and Microsoft Windows XP Service Pack 2, the following operating systems support the Execute Disable Bit function: SUSE Linux 9.2 and Red Hat Enterprise Linux 3 Update 3.
So, you have installed a new processor with the Execute Disable Bit function, your operating system is Windows XP. How to make sure that when using the «correct» processor, additional protection is enabled?
First, if Service Pack 2 for Windows XP is not already installed, then it must be installed. After that, go to «System Properties», go to the «Advanced» tab and enter the «Performance» section.
We are interested in the newly appeared Data Execution Prevention tab.
But what is it? At the bottom we see the inscription «The processor of this computer does not allow hardware support for DEP.
» It’s OK. The point is that function Execute Disable Bit must be enabled in the BIOS of the motherboard (it is disabled by default). We reboot the computer, go into the BIOS.
We used Gigabyte GA-8I915G-MF motherboard, BIOS of other board models may differ from below. But we think that it will not be difficult for real computer scientists to deal with any other motherboard, especially since a description for this board can come to the rescue.
In our case, go to the «Advanced BIOS Features» section and find the item No-Execute Memory Protect. (BIOS vendors use slightly different terms than Intel and Microsoft, but the familiar term NX in the description for this item pointed the way).
We activate this function, boot the system and do not see any warnings. Everything is working.
By default, DEP is enabled for core Windows programs and services only, but you can extend it to all other programs and services if you wish.
All of the above is also true for Intel Celeron processors for the LGA-775 socket. They had the J index in stock from the first day of their birth (for example, Celeron-330J (2667/533/256K) Box).
Other information about Intel processors can be found on the manufacturer’s website, for example, the following page is dedicated to Intel Pentium4 LGA-775 processors:
http://www.intel.com/cd/products/services/emea/eng/desktop/processors/ 164850.htm#p4phtt
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