Specifications
Embedded System Tools Guide (EDK 6.2i) www.xilinx.com 67
UG111 (v1.4) January 30, 2004 1-800-255-7778
BSB Flow
R
file is always created by default upon exit of the BSB wizard, reflecting the final selections 
of the current session. This feature may be useful to users who want to create several 
projects with similar designs. 
It is important to note that the .bsb settings file does not reflect any changes that users may 
make to their system outside of the Base System Builder wizard-- for example, if they add 
or edit cores from the XPS GUI or if they manually edit the MHS file.
Selecting A Processor
Currently, the Base System Builder supports two processors: Microblaze, a configurable 
“soft” processor implemented in FPGA logic, and the PowerPC 405 processor, a hardware 
device available only in some Xilinx FPGA architectures. If the PowerPC is unavailable in 
the FPGA device on your development board, this selection will be disabled in the GUI.
A brief description of the currently selected processor is displayed on this page, along with 
an illustration of what a typical system using this processor might look like.










