Review - EPoX 8KRA2+ VIA KT600 Motherboard
Techware Labs recognizes EPoX's support in making this review possible!
Review by Edward Chang, call sign: Big_E
August 8, 2003
System Setup
Test Systems
AMD Athlon Thoroughbred 2600+ (Provided by AMD)
Default clock: 2075 MHz (12.5x166)
EPoX 8KRA2+ VIA KT600 motherboard (Provided by EPoX)
SiS 746FX Reference Design motherboard (Provided by SiS)
EPoX 8RDA3+ Nforce2 Ultra400 SPP motherboard (Provided by EPoX)
EPoX 8K9A2+ VIA KT400 motherboard (Provided by EPoX)
1x KingMax 256 MB PC3200 DDR RAM (Provided by KingMax)
ATi Radeon 9800 Pro 128MB (Provided by Gigabyte)
Western Digital Special Edition 80 GB 8MB Cache ATA100 Hard Drive (Provided by Western Digital)
Liteon 48X CDROM (Provided by Directron)
Windows XP SP1
Northgate Innovations 17"LCD monitor
Drivers
Windows XP ATI Catalyst 3.5
VIA 4-in-1 4.48v
Benchmarks
Futuremark 3DMark2003 (patched)
Futuremark 3DMark2001 Second Edition (patched)
Futuremark PCMark2002
Return to Castle Wolfenstein - IXBTDemo
Unreal Tournament 2003 Demo
Nvidia Treemark Complex8 Demo
Novalogic Comanche4 Demo
Content Creation 2002
Business Winstone 2001
SiSoft Sandra 2003 Pro Final
Overclocking
EPoX had the enthusiast in mind when they designed the 8KRA2+. The BIOS lets the user overclock the FSB in 1 MHz increments up to 250 MHz and play with a nice range of CPU multiplier clocks. Voltage tweaks include VCore and VDIMM adjustment. The VCore selection ranges incrementally from 1.45 to 2 volts, and VDIMM scales from default to 3.2 volts in .1 volt increments. We noticed that when the FSB is overclocked to, say, 220 MHz, the memory speed misreads during POST as 400 MHz DDR, when it is also indeed running overclocked at 440 MHz DDR. More importantly, the DDR RAM frequency can be run asynchronous with the FSB, so one does not necessarily have to own PC3200 DDR RAM to run a 200 FSB AMD processor. For example, the Athlon XP 3200+ CPU will run at 200 MHz FSB, while PC2700 RAM will run at 333 MHz DDR. Utilizing this last mentioned feature, we briefly overclocked and ran a couple benchmarks on the overclocked 8KRA2+. The motherboard ran stably with the Athlon XP 2600+ (2075 MHz) successfully running at 2200 MHz (10x220 MHz FSB), while still using default memory and CPU voltages. The system loaded Windows at 230 MHz FSB, but benchmarking became unstable and crashed the system. We will not publish official benchmarks as we believe with better memory, we could have obtained better results.
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