Cso psp lagging?

Question

my version is 401m33-2 they say it the clock setting

press select and change it to 333/160mhz

but when i press select nothing happen how can i change the clock setting in 401m33-2 or look for a iso converter?????????? thank for the help

Answer 1

thats wierd because thats how i do it on mine and it works fine =/

hope everyhting works out