ASUS P5NSLI SLI: Overclocking — ASUS P5NSLI: Core 2 Duo and SLI on a Budget
by Gary Keyon August 22, 2006 5:30 AM EST
- Posted in
- Motherboards
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27 Comments
IndexBasic Features: ASUS P5NSLIASUS P5NSLI: FeaturesASUS P5NSLI SLI: OverclockingTest SetupMemory PerformanceApplication PerformanceGaming PerformanceQuick Thoughts
FSB Overclocking Results
Front Side Bus Overclocking Testbed | |
Processor: | Core 2 Duo — E6300 1.86MHz Core 2 Duo — E6700 2.66MHz |
CPU Voltage: | 1.325v |
Memory Settings: | 3-4-3-10 at 667MHz |
Memory Voltage: | 2. 1v |
SPP Voltage: | 1.5V |
FSB Voltage: | Default |
Cooling: | Scythe Infinity |
Power Supply: | PC Power and Cooling 850 SSI |
E6300 Overclock: | 321fsb x 7 (2247MHz) +21% |
E6700 Overclock: | 320fsb x 10 (3200MHz) +20% |
This board underperforms as an overclocker when comparing it to the Intel chipset boards with our best current in-house P965 boards hitting 7x535FSB and 10x395FSB with the same setup. At these settings the system was able to complete our benchmark test suites three consecutive times along with Dual Prime95 and SuperPI 32M without issue.
We had the LDT set at 3. 5X and tried 3X but our board would not even post at 325FSB with either processor. Based upon our previous overclocking results with the C19A boards we are not surprised by the results. The current generation NVIDIA Intel Edition chipsets have never been known for their high FSB overclocking ability and we will have to wait for the next generation chipset to see better results. We will continue working with the board and will provide an update on our results once we have completed additional overclocking tests.
Memory Stress Testing
Memory Tests
This memory stress test looks at the ability of the ASUS P5NSLI to operate at the officially supported memory frequencies of 533MHz DDR2 at the best performing memory timings the TwinMOS Twister DDR2-667 will support. Note this memory is rated at 4-3-3-10 timings for 667MHz operation and was required to match our previous test results. Our Transcend memory we utilized in our previous Core 2 Duo memory performance article would not operate properly on this board at the same settings it was capable of in the VIA or Intel chipset boards we tested. This is not an issue with the Transcend memory but the memory tuning on this board.
ASUS P5NSLI Stable DDR2-533 Timings — 2 DIMMs (2/4 slots populated — 1 Dual-Channel Bank) |
|
Clock Speed: | 266MHz (1066FSB) |
Timing Mode: | 533MHz — Default |
CAS Latency: | 3 |
RAS to CAS Delay: | 3 |
RAS Precharge: | 3 |
RAS Cycle Time: | 9 |
Command Rate: | 2T |
Voltage: | 2.0V |
The ASUS was very stable with two DDR2 modules in Dual-Channel at the settings of 3-3-3-9 at 2. 0V. We were able to hold 3-4-3-10 2T at DDR2-667 and 4-4-4-12 2T at DDR2-800 with this memory set at 2.1V. The board would run 1T timings at DDR2-533 with our G.Skill, Corsair, and OCZ PC26400 modules but the differences in performance were minimal. We are still running tests at DDR2-667 with 1T timings where there is a measurable difference. However, there were several inconsistencies with other memory modules on this board. We noticed if we strayed too far away from the SPD settings that the board would lock up, generate memory errors, and corrupted a drive image that we are still investigating.
Even though several of our memory modules would easily do 3-3-3-9 at DDR2-800 on other boards we would notice memory errors at relaxed timings of 4-3-3-10 and could not run the board consistently at DDR2-800 without 4-4-4-12 timings. We feel like the issue is attributed to our 2.1V limit and the initial BIOS release that appears to be geared for conservative timings at this point. We are working closely with ASUS and NVIDIA on this issue currently. Our advice at this time is not to push the memory too far on this board until additional tuning and testing has been completed.
We will now install DIMMs in all four available memory slots, as that results in more strenuous requirements on the memory subsystem than testing two DDR2 modules on a motherboard.
ASUS P5NSLI Stable DDR2-533 Timings — 4 DIMMs (4/4 slots populated — 2 Dual-Channel Banks) |
|
Clock Speed: | 266MHz (1066FSB) |
Timing Mode: | 533MHz — Default |
CAS Latency: | 3 |
RAS to CAS Delay: | 4 |
RAS Precharge: | 4 |
RAS Cycle Time: | 12 |
Command Rate: | 2T |
Voltage: | 2. 1V |
The ASUS was completely stable with four DDR2 modules in Dual-Channel operation at the settings of 3-4-4-12. We tried several combinations of memory settings and memory modules at lower timings but the board was not stable enough to complete our test suite. Overall, the memory tuning on this board needs some additional work. Once you dial the memory in then the board is extremely stable, but we know the chipset is capable of a little more performance. We will continue our memory testing with other modules that have arrived recently and hopefully we can get a BIOS update shortly.
ASUS P5NSLI: Features
Test Setup
IndexBasic Features: ASUS P5NSLIASUS P5NSLI: FeaturesASUS P5NSLI SLI: OverclockingTest SetupMemory PerformanceApplication PerformanceGaming PerformanceQuick Thoughts
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Help Overclocking a Xeon X3220 (Asus P5E X38)
now that I’ve finally built my rig and got is working, I would like to move on to overclocking. I basically need to start from scratch here, so all advice would be greatly appreciated. In short, I’m trying to overclock my Intel Xeon X3220 2.4ghz processor to…well…a reasonable speed. I am a gamer, and have been playing Crysis, albeit on a 7900GS.
As mentioned before, I need to start from scratch. I would like to know of any programs I should download to monitor temps and voltages and speeds and whatnot, save for overclocking ones, which I understand are worthless.
I would also, probably first, like to get a «quote» on how high I can overclock a Xeon.
Lastly, I would like any and all good advice on overclocking within the BIOS. I am new to overclocking and am not sure what to expect, say, if a overclock too far.
In truth, I have tried overclocking an E6600 on an Asus P5N SLI 590i (I think) with ntune and never got far, and when OCing then and going too far the screen would just lock up. I would restart with the defaults and try again only to fail. ..again. In short, I know what to expect when in Windows, but not in the BIOS if something goes wrong.
I will be happy to provide more details on my rig if asked. I am going to try and CPUZ my proc to see the stepping it has (stepping is like G0 or B3 right?) and will post if I am successful.
Thank you all in advance…
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ASUS P5NSLI price, specifications, video review, reviews
- System bus 533 MHz — 1066 MHz
- Socket LGA775
- BIOS Award
- NVIDIA nForce 570 SLI chipset
- Number of memory slots 4
- Memory DDR2 DIMM, 533-667 MHz
- Maximum memory 16 GB
- IDE number of slots: 3, UltraD
yes Maximum memory 16 GB Disk controllers
*IDE 3 Slots: 2, Ultradma 133 SATA SATA 3GB/S: 4, RAID: 0, 1, 5, 10, JBOD 9014
, 9014, 9014
*
Expansion slots 2xPCI-E x16, 3xPCI-E x1, 2xPCI Audio/video
*Sound 5. 1CH, AC’97, based on ADI AD1986A Network
*Ethernet 1000 Mbps based on Marvell 88E8001 Connection
*Rear panel connectors , Ethernet, PS/2 (keyboard), PS/2 (mouse), LPT Availability of interfaces 8 USB, S/PDIF output, 1xCOM, Ethernet, PS/2 (keyboard), PS/2 (mouse), LPT Additional options
*Form factor ATX * Check with the seller for exact specifications.