Make sure you check your Crucial RAM thoroughly when you get it. I ordered 2 256MB CL2 for my Asus P3V4X motherboard and they caused a bunch of Windows ME error messages at bootup. I had to call Crucial to return the 2 pieces and purchased another 2 for replacement. The new ones seem to work OK now.
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My gig:
Asus P3V4X
PIII 550E @ 733MHz
512MB Crucial CL2
Asus GeForce 32MB DDR
Plextor 40Max CD-ROM
Plextor 12x10x32 IDE CDRW
Pioneer 10X DVD
86GB Maxtor (2 drives) ATA100
SB Live XGamer, retail
Klipsch Promedia 4.1 speakers