Selling 512MB (2 x 256MB) of Buffalo PC3200 DDR w/ Winbond CH-5 chips. I've had this RAM running flawlessly on an Abit NF7 in dual channel mode with a slight OC of 210MHz (11-3-2-2 timings, 2.8v).
Both sticks work perfectly. 24+ hours of memtest86 with zero errors.