Asus Motherboard P5LD2 - Manual (Page 116)

5-10 Chapter 5: Software support
9. When the screen returns to the ASUS Update utility, flash the original
BIOS to load the new boot logo.
10. After flashing the BIOS, restart the computer to display the new boot
logo during POST.
8. Adjust the boot image to your desired size by selecting a value on the
Ratio box.
7. When the logo images appear on the right window pane, select an
image to enlarge by clicking on it.