ptxdist u_boot_config
Board specific settings         ---> 
	DDR-RAM (Micron 64MB)

Rebuilt u-boot
 	ptxdist clean u-boot-v2
	ptxdist targetinstall u-boot-v2

ptxdist platformconfig
image creation options          --->
	Generate images/root.jffs2      --->  
		(0x4000) Erase Block Size 
Rebuilt root filesytem
	ptxdist images