ASROCK K7S8X SiS 746FX Mainboard Review (3)
Overclocker 1 Mar 2003

Benchmarking

Memory Benchmarks (fsb:166, AXP2700+)

SiSoft Sandra 2002

The infamous SiSoft Sandra 2002 is used to test out the memory benchmarks, CPU Arithmetic and Multimedia benchmarks.  All the systems are tweak to it's maximum possible settings of CAS 2, 2-2-5 (except ASrock which we can't tune)

All boards running in SYNC DDR333 (166/166) otherwise specified. The FSB of the various boards are :

ASROCK K7S8X : 166.64Mhz
ECS L7S7A2 : 166.65Mhz
SiS 746FX Ref board : 168.2Mhz
EPoX 8RDA+ : 167.05Mhz
ABIT KD7 : 166.88Mhz

Update : The new scores of running are posted in the chart. BIOS Used is 1.32a. It shown an improvement when it is set to run in Async DDR400 mode.

First of all, we have to take note of the FSB 166.64Mhz which is very accurate. The benchmarks obtained for other boards might be skewed a bit if it is above the rated FSB (default).

We use L1.25 BIOS to test the board. As we have mentioned before, there is no way we could adjust the ram timings except the CAS to 2, 2.5 and Fast, Turbo or Ultra. We set it to CAS 2.5 Ultra as the system can't POST at all at 166/166 CAS 2 Ultra SyncDDR333 mode. The interesting fact is that, when we set it to run async DDR400, 166/200, it works steadily at CAS 2 Ultra.

Sync DDR333 test : CAS 2.5 Ultra
Async DDR400 test : CAS 2 Ultra

In SiSoft Memory benchmarks, the Dual Channel DDR Epox 8RDA+ leads the pack. ASrock K7S8X scores as close as the ECS L7S7A2. In Async DDR400 mode, the result seems a bit low. In the Ref board and ECS L7S7A2, we see that when it is run at Async DDR400 mode, the memory benchmarks are higher. Hopefully, a new BIOS could resolve that.

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