Asus P1-PH1 - Manual (Page 64)

5-6 Chapter 5: BIOS setup
4. From the FTP site, select the
BIOS version that you wish to
download. Click Next.
5. Follow the instructions on the
succeeding screens to
complete the update process.
If you selected the option to
update the BIOS from a file, a
window pops up prompting
you to locate the file. Select
the file, click Save, then follow
the screen instructions to
complete the update process.
3. If you selected
updating/downloading from
the Internet, select the ASUS
FTP site nearest you to avoid
network traffic, or choose
Auto Select. Click Next.