Yeah, memtest or Orthos on a Custom workunit size that's massive (over 30mb) works to Stress the RAM pretty well.
5-5-5-15 @ 2.3v should easily hit DDR2-800 speeds.
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00 - Sempron @ 2.4ghz| XP | Asus A8N-SLI | Asus 6200TC | 4x 500GB Seagates | 3x 250GB WD | 1gb POS RAM.
01 - E6300 @ 3430 | Water | XP | Asus P5B Deluxe | Evga 8800GTS @ 675/2100 |WD740ADFD + 2x 320gb eSata| 2gb Gskill HK 4-4-4-5 @ DDR2-960.
02 - Macbook Pro Dual 2.0 | Tiger/XP/Vista | Radeon X1600 256mb Vram | 1gb Ram | 8c Temp Drop w AS5.
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