The Digilent XC5VLX110T board is shipped with some default programs in all the configuration memeries. You can select the configuration type by adjusting the configuration mode DIP switches (at the top left position of the board below the ps/2 connectors - 8bit). The details of configuration is as below.
0xxx0000 - FPGA configures from Platform Flash ROM
00000100 - FPGA configures from SPI
0xx01x00 - FPGA configures from BPI (Up or Down)
xxx10101 - FPGA configures from CF card (ACE)
The SPI flash is factory programmed to display "program success" in the lcd if we have selected the spi mode. You can erase the SPI and load your own program. For the legacy JTAG mode, you have to make the configuration DIP Switches to "00010100" and then you won't get the program successful message. Hope you get it.