遇到了这样的问题：

/cygdrive/c/altera/work/fpga/rev3/oipax_flash_loader
[SOPC Builder]$ mk_target_board --name=TEST_BOARD --family=CycloneII --clock=10
0 --index=1 --buffer_size=4096 --class=TEST_FLASH_LOADER --verbose
Make Target Board version 1.01
Switch summary:
  Verbose mode enabled.
  Board name: "TEST_BOARD"
  Board class: TEST_FLASH_LOADER
  Device family: "Cyclone II"
  Clock frequency: 100000000hz
  Payload buffer size: 4096 bytes

ERROR:
c:/altera/kits/nios2_51/bin/create-board.pl 1279 CALLED (main)
c:/altera/kits/nios2_51/bin/create-board.pl 99 CALLED (cb_setup_directories)
 c:/altera/kits/nios2_51/bin/create-board.pl 511 CALLED (europa_utils::find_com
ponent_dir)
  /cygdrive/c/altera/quartus51/sopc_builder/bin/europa/europa_utils.pm 2016 CAL
LED (europa_utils::ensure_class_ptfs) WHERE
'get_class_ptf and ensure_class_ptfs must be called with g{system_directory}' OC
CURRED on /cygdrive/c/altera/quartus51/sopc_builder/bin/europa/europa_utils.pm 1
909

请问有那位大虾见到过？

NIOS2的版本是5。1的，Quatus 5.1

恩

5.0的可以

5.1版用这种方法不能做TARGET BOARD。

6.0可以用pcb倒TARGET BOARD的方法

5.0版用上面这种方法能做TARGET BOARD。