Gigabyte GA-965P-DS3: Overclocking
FSB Overclocking Results


Gigabyte GA-965P-DS3
Overclocking Testbed
Processor: Intel Core 2 Duo E6300
Dual Core, 1.86GHz, 2MB Unified Cache
1066FSB, 7x Multiplier
CPU Voltage: 1.4750V (default 1.3250V)
Cooling: Scythe Infinity Air Cooling
Power Supply: OCZ GameXStream 700W
Memory: Geil PC2-6400 800MHz Plus (2x1GB- GX22GB6400PDC),
(Micron Memory Chips)
Video Cards: 1 x MSI X1950XTX
Hard Drive: Seagate 320GB 7200RPM SATA2 16MB Buffer
Case: Cooler Master CM Stacker 830
Maximum CPU OC:
(Standard Ratio)
455x7 (5-5-5-15, 1:1, 2.2V), CPU 1.4750V, C2 Stepping
3185MHz (+71%)
.

Click to enlarge

We were able to reach a final setting of 7x455FSB resulting in a clock speed of 3185MHz. This board is fully capable of 500FSB rates with the correct memory installed. We still have an issue with the D9 Micron based 1GB modules not wanting to go above the 460FSB range in a stable manner. This issue will be fixed in an upcoming BIOS release and we will retest at that time. We did not have any issues reaching 510FSB with a set of D9 based 512MB modules in testing.

Our CPU voltages were set higher than normal but this is due to the VDroop on the board being around .02~.04V during testing. Also, the voltage was increased slightly to compensate for being on the edge with our memory at the 7x450FSB or higher settings. At 7x440FSB we had the CPU set at 1.4250V without issue. Although we are limited at this time in FSB rates we feel like this board offers one of the better overclocking experiences for the money.

Memory Stress Testing

Memory Tests


Click to enlarge

We take a look now at seeing how well our GEIL PC2-6400 memory operates in this board in both two and four DIMM testing. The screenshot above shows the actual memory settings used in our benchmark tests of the board. We do not modify the memory timings beyond the four major settings in our charts. The balance of the settings is implemented automatically via the BIOS. Gigabyte is fairly aggressive with their internal memory and MCH timings as our testing will reveal today.

Gigabyte GA-965P-DS3
Stable DDR2-800 Timings - 2 DIMMs
(2/4 slots populated - 1 Dual-Channel Bank)
Clock Speed: 800MHz
CAS Latency: 3
RAS to CAS Delay: 3
RAS Precharge: 3
RAS Cycle Time: 9
Voltage: 2.20V

We were able to set our timings to 3-3-3-9 by increasing the memory voltage to 2.20V with our GEIL memory. We were able to hold these timings up to DDR2-830 on this board and held timings of 3-4-3-9 up to DDR2-860. The board ran at 4-4-3-10 up to DDR2-880 before switching to the final overlclock settings of 5-5-5-15. We noticed that any memory timings above DDR2-880 required the use of auto settings to ensure a stable system. This goes back to our issue with the 1GB D9 Micron modules that will be resolved shortly.

Gigabyte GA-965P-DS3
Stable DDR2-800 Timings - 4 DIMMs
(4/4 slots populated - 2 Dual-Channel Bank)
Clock Speed: 800MHz
CAS Latency: 3
RAS to CAS Delay: 4
RAS Precharge: 4
RAS Cycle Time: 9
Voltage: 2.20V

Our settings of 3-4-4-9 at 2.20V were not quite as good as the Asus 1.02G settings of 3-4-3-10 but the Gigabyte board runs tighter overall memory latencies. We were able to keep this setting up to DDR2-840 before switching over to 4-4-3-10 settings that held stable until we reached DDR2-860. We then kept a setting of 4-4-4-12 at 2.30V up to our final overclock setting of 7x438, 3066MHz DDR2-876, with four dimms installed. This board will overclock higher with four DIMMs once the D9 Micron issue is solved.

Gigabyte GA-965P-DS3: Board Layout and Features Test Systems: Benchmark Setup
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  • Gary Key - Saturday, October 21, 2006 - link

    The DS4 will be reviewed. Gigabyte has stated they will not bring it into the US but we are still trying to convince them (really more like begging and calling our marketing rep at home on the weekends to beg some more) to release it in the States. The copper backplate can be removed off the DQ6 and I really did not see any benefit with it on in testing. It makes for a good rebate with the price of copper today. ;-)

    The AHCI issues stay the way they are at this time. It is frustrating to say the least. I was being a bit sarcastic in my statement but it is a little harder than it should be to enable AHCI on the ICH8R.
  • Ryan Norton - Sunday, October 22, 2006 - link

    I'm in Taiwan, so the DS4 is all over the place :)
  • Capt Caveman - Saturday, October 21, 2006 - link

    Not sure if you live in the US or not but Gigabyte is not bringing/selling the DS4 to the US.

    Also, the copper backplate for the DQ-6, can be removed with a tworx(sp?) screwdriver. At XS, many just went to Home Depot and got longer screws for their HSF.
  • lopri - Saturday, October 21, 2006 - link

    Excellent review that'll help potential buyers enormously. A couple things:

    1. Error in the chart (page 14): There is a discrepency between the chart (3-4-3) and the commentary (3-4-4) :)
    2. In memory review Wesley always put tRP ahead of tRCD, while Gary does the opposite. It'd be nice to have a consistency for less experienced users!
    3. Gary, did you test the P5W-DH with wirless module installed or without? I recently found out the wirless module could skew CPU/memory-sensitive benchmarks on this board big time. I'm not sure if my finding is true in general, but if it is, then the comparison between a board with such feature and a board without it can be unfair.
    4. Can Sandra Unbuffered be really an indication of general performace? @400FSB, setting memory ratio 4:5 (DDR2-1000/4-4-3) boosted the score by a whooping 400~500 MB/s from the ratio 1:1 (DDR2-800/3-3-3), which never realized for other tests in a meaningful way. Oh this is about my own testing. :D

    Thanks for the great review.
  • Gary Key - Saturday, October 21, 2006 - link

    Thanks for the comments.

    1. The timing error is corrected. Jarred and I were editing at the same and we found out after the article went live that our saves to the final copy would overwrite each other. Bad timing for several other mistakes that have been cleared up now.

    2. Wes is wrong. Just kidding, we will get on the same page. :)

    3. I turned off the WiFi on the PSW-DH. The scores were even worse with it on. Not that they are bad but the board runs a little looser timings in order to overclock at the high end. DFI also does this with their boards targeted for the overclocking market.

    4. Sandra Unbuffered can be an indication of performance in apps that are memory sensitive. This is not always the case but it is one of the better yardsticks available at this time.
  • Lothar - Saturday, October 21, 2006 - link

    Do you plan on comparing the Gigabyte DS3 vs the S3 version for us to know if there are performance/overclocking issues with the S3?

    The only difference so far between the DS3 and S3 is "All Solid Capacitors".
    Are there any other difference I'm missing?

    The S3 is $110, and the DS3 is $150.
    I have a hard time to justify paying an extra $40 for only "all solid capacitors"
    The term is nothing but marketing to me so far.

    I haven't seen any proof of a performance/overclocking issue between the two boards.
    If you or anyone else plan on testing the differences or can provide something(Ex: any review link) stating otherwise, that would be great.
  • Nakazato - Monday, October 23, 2006 - link

    In theory, cleaner power.... but aside from the theory, the onboard sound does start flaking out the higher you go. This has been true on 2/2 boards I've tried it on. So an add-in card is needed for the higher overclocks... 460+ish.
  • goinginstyle - Monday, October 23, 2006 - link

    No issue here with the Biostar board at 500FSB and the Realtek ALC-883. It sounds fine but a X-FI is still the way to go for gaming.
  • Gary Key - Saturday, October 21, 2006 - link

    quote:

    Do you plan on comparing the Gigabyte DS3 vs the S3 version for us to know if there are performance/overclocking issues with the S3?


    Yes, the S3 will be in part two. :)
  • Lothar - Saturday, October 21, 2006 - link

    The only other differences I found were RAID support and 2 extra USB ports...

    It's not worth the $40 price difference if performance and overclocking results are the same IMO.

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