Shuttle SB77G5 - i875 LGA775 Socketed XPC
Power To Support High End Graphics, Test Setup
How we configured our test systems: When configuring the test systems for this review, first, we entered the system BIOS and set each board to their "Optimized" or "High-Performance Defaults". The hard drives were then formatted, and Windows XP Professional (SP2) was installed. When the installation was complete, we hit the Windows Update site and downloaded all of the available updates, with the exception of the ones related to Windows Messenger. Then we installed all of the necessary drivers, and removed Windows Messenger from the system altogether. Auto-Updating and System Restore were also disabled, and we setup a 768MB permanent page file on the same partition as the Windows installation. Lastly, we set Windows XP's Visual Effects to "best performance", installed all of our benchmarking software, defragged the hard drives and ran all of the tests...
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| SYSTEM 1: Intel Pentium 4 EE 3.6GHz - LGA 775 Shuttle SB77G5 - FB77 i875 Motherboard 2x512MB Kingston DDR 400 PC-3500 CL 2, 2, 2, 5 NVIDIA GeForce 6800 GT On-Board 10/100 Ethernet On-Board Audio WD "Raptor" 36GB Hard Drive 10,000 RPM SATA Windows XP Pro SP2 NVIDIA Forceware v66.81 DirectX 9.0c |
SYSTEM 2: Intel Pentium 4 EE 3.46GHz - LGA775 Intel D925XECV2 i925XE Motherboard 2x512MB Kingston DDR2 533 PC2-4300 CL 3, 3, 3, 8 NVIDIA GeForce 6800 GT On-Board 10/100 Ethernet On-Board Audio WD "Raptor" 36GB Hard Drive 10,000 RPM SATA Windows XP Pro SP2 NVIDIA Forceware v66.81 DirectX 9.0c |
SYSTEM 3: Intel Pentium 4 560 3.6GHz - LGA775 Intel D925XECV2 i925XE Motherboard 2x512MB Kingston DDR2 533 PC2-4300 CL 3, 3, 3, 8 NVIDIA GeForce 6800 GT On-Board 10/100 Ethernet On-Board Audio WD "Raptor" 36GB Hard Drive 10,000 RPM SATA Windows XP Pro SP2 NVIDIA Forceware v66.81 DirectX 9.0c |
High-end, high-powered graphics in an XPC?
But what about the SB77G5's 250 Watt Silent X power supply? On the side of the SB77G5 box Shuttle claims it's "designed for use with today's power-hungry, processors, graphics cards and serial ATA drives". So we put that claim to the test.
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SB77G5 with GeForce 6800 Ultra and X800 XT installed
Fully stable in overnight burn-in tests under heavy load
Burn-In Test Specifics:
Our results were impressive to say the least. Both configurations, with either the GeForce 6800 Ultra or Radeon X800 XT, were running flat out on our 3.6GHz Prescott CPU, 12 hours later when we checked the system. The demo loop never even had so much as a twitch. We took temp readings with the GeForce 6800U installed and discovered the CPU was at a level 62oC, the NV40 GPU was reading 72oC and the system temp recorded was 41oC. The main system fan was running at 1650 RPM, which is virtually inaudible but the GeForce 6800 Ultra still projected its classical whine from its turbine fan driven HSF. With the Radeon X800 XT in the SB77G5, in this test configuration, you had to lean your head over the system to tell if it was running.
So, the SB77G5's power supply is not only up to the task of powering the highest end graphics cards on the market, but the rest of the system also does this with a near stealth-mode acoustical signature.
