Overclocked result on retail card Sapphire HD2900XT in my hand, i think it good OC on stock cooler to stop is 850/1100MHz-core/mem, because my room temp or surrounding's 30-31 ํC and card temp around 50-55 ํC in idle load at STD core speed.
pic...
http://img508.imageshack.us/img508/5612/13080462jc3.jpg http://img512.imageshack.us/img512/1664/33331555lu3.jpg
http://img509.imageshack.us/img509/1776/59397734mk4.jpg http://img508.imageshack.us/img508/2305/55789218dr2.jpg
test setup...
QX6700@3.6GHz (400*9),1.57Vcore
ASUS P5W64 WS
G.SKILL 8000HZ@800MHz 3-3-3-5,2.3V
Sapphire HD2900XT@850/1100MHz-Stock Cooler, driver 8.36(bundle CD)
Western WD800
SilverStone OP650
http://img395.imageshack.us/img395/5250/53198442hi2.jpg
3DMark result...
01
http://img108.imageshack.us/img108/7417/26083653up1.png
03
http://img254.imageshack.us/img254/4958/12139437am6.png
05
http://img184.imageshack.us/img184/1179/64182285cg7.png
06
http://img184.imageshack.us/img184/8703/83746736nu7.png
:)