why can I not set ip address to outside interface in two port pix?

[dddenghua]

Any address cann't be set to outside interface,the ip address of outside interface always is 202.103...... in the mode of show command, why?

[mhoda]

Please make sure to be in the "config t" mode. Also, if you put the sytax that you are trying on the pix here, can help further.. Thanks, Mynul