IEI Integration NANO-9452 v4.02 - Manual (Page 156)

NANO-9452 EPIC Motherboard
Page 138
6.7.1 Northbridge Configuration
Use the Northbridge Configuration menu (BIOS Menu 20) to configure the Northbridge
chipset.
BIOS Menu 21:Northbridge Chipset Configuration
 DRAM Frequency [Auto]
Use the DRAM Frequency option to specify the DRAM frequency or allow the system to
automatically detect the DRAM frequency.

200MHz Sets the DRAM frequency to 200MHz

266MHz Sets the DRAM frequency to 266MHz

333MHz Sets the DRAM frequency to 333MHz