外频 meaning in Chinese

external clock
external frequency
fsb

166mhz 1mhz step setup by bios
外频时脉由bios 1mhz调校
Now the outer working frequency of gsmb can reach 117mhz , which can support linux operating system and vxworks and the like real - time operating system , and it can stand the test of high - low temperature ( - 35 - 70 ) working condition
目前， gsmb的工作外频可达117mhz ，可支持linux和vxworks等实时操作系统，并已通过高低温工作( - 35 - 70 )的环境试验考核。