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Biostar TPower N750 nForce 750a Motherboard Review

Biostar TPower N750 nForce 750a Motherboard Review - PCSTATS
Abstract: The Biostar TPower N750 motherboard is based on the single chipset Nvidia 750A SLI MCP, which means this board supports two NVIDIA Geforce videocards in SLI.
 74% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: Biostar Jan 17 2009   J. Apong  
Home > Reviews > Motherboards > Biostar TPower N750

Overclocking the AMD 750a and the BIOS

Overclocking Results:
Stock Max. OC
Motherboard Speed: 200 MHz

270 MHz

If you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

PCSTATS hasn't overclocked another nVidia nForce 750a SLI-based motherboard, so it will be interesting to see how the Biostar TPower N750 handles. Given that it is aimed at the mid-level integrated graphics chipset market, we're holding our breath.

As usual, after lowering the Athlon 64 X2 5000+ CPU multiplier to 5X and setting the Corsair PC2-6400 RAM to run in DDR2-800 mode, the bus speed was increased by 15MHz increments, starting from 200MHz.

Overclocking from 200MHz up to 225 MHz was no problem, but make sure AMD's Cool'n'quiet and CPU throttling tools are turned off. After that, we increased the clock speed to 235, 255, 260 and finally 275MHz. That last speed jump caused the system to fail POST. Going back, we overclocked slowly from 260MHz and up, eventually settling on a final value of 270MHz.

It's an okay overclocking result, it's still not quite as good as PCSTATS has been able to achieve on similarly-priced, non-integrated AMD motherboards.

For the sake of argument we also tried Biostar's pre-overclocked settings, as noted by the V-6 Tech, V-8 Tech and V-12 Tech options in the BIOS. The results were mixed, the only setting which actually worked was the lowest V-8 Tech option. Perhaps the overclocking results would have been better if an AMD Phenom processor were used....

Hard power and reset buttons on the Biostar TPower N750 make troubleshooting the motherboard out of the box easier.

A quick peek into the BIOS:

Biostar's BIOS allows for both automatic overclocking and manual selection of speed settings.

Once you actual dive into the TPower N750 motherboard memory settings pretty much every RAM timing option can be fine-tuned. This is useful for overclocking or to get mismatched sets of memory running synchronously.

Here you can flip on Hybrid SLI, set the limits for the IGP's memory consumption, as well as fiddle around with which GPU functions as the primary display.

The nVidia nForce 750a SLI northbridge can be brought up to 1.15V, and the memory voltage can be increased to 1.9V. Remember that these are the maximum voltages, and power settings this high can damage your motherboard and components, so be careful before you start adjusting them!

Prelude to Benchmarks

The details of how the Biostar TPower N750 motherboard test system was configured for benchmarking; the specific hardware, software drivers, operating system and benchmark versions is indicated below. In the second column are the general specs for the reference platforms this NVIDIA nForce 750a SLI based motherboard is to be compared against. Please take a moment to look over PCSTATS test system configurations before moving on to the individual benchmark results on the next page.

PCSTATS Test System Configurations
Test System Reference System #1 Reference System #1
Processor: AMD Athlon64 X2 5000+ (AM2) AMD Athlon64 X2 5000+ (AM2) Intel Core 2 Duo E6750 (775)
Clock Speed: 13 x 200 MHz = 2.6 GHz 13 x 200 MHz = 2.6 GHz 8 x 333 = 2.66GHz
Motherboard: Biostar TPower N750 (NF 750a SLI) ECS A780GM-A (AMD 780G)
Biostar TF8200 A2+ (Geforce 8200)
Foxconn A690GM2MA (AMD 690G)
Foxconn A7DA-S (AMD 790GX)

Intel DG45ID (Intel G45)
ECS G33T-M2 (Intel G33)

Videocard: MSI NX8800GTS-T2D320E-HD-OC

2x 1024MB Corsair Twin2X2048-6400C4

Hard Drive: 74GB Western Digital Raptor WD740
CDROM: AOpen Combo 52x
PowerSupply: PC Power & Cooling TurboCool 510 SLI
Heatsink: AMD Athlon64 FX-62 Reference Intel E6750 Reference
Software Setup:

Microsoft Windows Vista Ultimate
nVidia NF 15.24
ATi Catalyst 8.8
nVIDIA Forceware 169.25

Microsoft Windows Vista Ultimate
Intel INF
nVidia Forceware 169.25

SYSMark 2007 Preview
SiSoft Sandra 2008
Super Pi
PCMark Vantage
3DMark Vantage
Call of Juarez
Lost Planet

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Contents of Article: Biostar TPower N750
 Pg 1.  Biostar TPower N750 nForce 750a Motherboard Review
 Pg 2.  nVidia nForce 750a SLI Chipset - Videocard or IGP?
 Pg 3.  Blu-Ray and High Definition Content Playback Benchmarks
 Pg 4.  Motherboard Highlights - Biostar Photo Gallery
 Pg 5.  — Overclocking the AMD 750a and the BIOS
 Pg 6.  Motherboard Benchmarks: SYSmark 2007 Preview, SuperPi
 Pg 7.  Motherboard Benchmarks: SiSoft Sandra 2008, PCMark Vantage
 Pg 8.  Motherboard IGP/VGA Benchmarks: 3DMark06, 3DMark Vantage, FEAR
 Pg 9.  DX10 Motherboard IGP Benchmarks: Call of Juarez, Crysis
 Pg 10.  Are SLI + IGP really worth the extra price?

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