During our benchmarking sessions we used the configuration listed below. Between our benchmarking sessions the only variable device was the motherboard being tested.
 
Hardware Configuration

• BIOS version: 0201 (January 26th, 2007)
• Motherboard revision: 1.01G.
• Processor: Athlon 64 X2 5000+ (2.6 GHz) with 512 KB L2 cache.
• Cooler: AMD.
• Memory: Two Corsair PC8500 CM2X512-8500 modules with 512 MB each, installed under DDR2 dual channel configuration (5-5-5-15 timings).
• Hard Drive: Maxtor DiamondMax 9 Plus (40 GB, ATA-133).
• Video Cards: XFX GeForce 6200 TC 64 MB 64-bit, Leadtek GeForce 6200 128 MB 128-bit and XFX GeForce 7800 GTX.
• Video resolution: 1024x768x32@85Hz.
• Power Supply: Antec Neo HE 550.

Software Configuration

• Windows XP Professional installed using NTFS
• Service Pack 2
• DirectX 9.0c

Driver Versions

• nVidia video driver version: 93.71
• nVidia LAN driver version: 65.21
• nVidia IDE driver version: 6.77
• nVidia SM bus driver version: 4.57
• ATI IGP driver version: Catalyst 6.6 (on ECS RS485M-M).
• ATI IGP driver version: Catalyst 7.2 (on ASUS M2A-VM).
• Audio driver version: Realtek A3.86 (on ECS RS485M-M).
• Audio driver version: Realtek R1.47.

Used Software

• SYSmark2004 – Patch 2
• PCMark05 Professional 1.1.0
• 3DMark 2001 SE 3.3.0
• 3DMark03 3.6.0
• 3DMark05 1.2.0
• Quake III Arena 1.32
• Quake 4 1.2

We adopted a 3% error margin. Thus differences below 3% cannot be considered relevant. In other words, products with a performance difference below 3% should be considered as having similar performance.