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P4S5A/DX+ - ECS Elitegroup
Socket 478 board that supports Intel® Pentium® 4 processor up to 533MHz FSB
533/4=133 MHZ max.
The manual at page 14 says:
This mainboard automatically determines the CPU clock frequency and system
bus frequency for the processor. You may be able to change these
settings by making changes to jumpers on the mainboard, or changing the
settings in the system Setup Utility.
The processor is supported:http://www.ecs.com.tw/ECSWebSite/Product/Product_Detail.aspx?CategoryID=1&DetailID=38&DetailName=Feature&MenuID=24&LanID=0
The manual does not explain which jumper to change.