SW7[1:4] = 0101 = 5 => 5 x 66 = 330 CCB Sysclk
SW7[5:6] = 01 => 5:2 x 330 = 825 Core clock
+ In order to use PCI-X (only in the first PCI slot. The one with
+ the RIO connector), you need to set SW1[4] (config) to 1 (off).
+ Also, configure the board to run PCI at 66 MHz.
2. MEMORY MAP TO WORK WITH LINUX KERNEL