Intel® Quartus® Prime Software
Intel® Quartus® Prime Design Software, Design Entry, Synthesis, Simulation, Verification, Timing Analysis, System Design (Platform Designer, formerly Qsys)
Intel Support hours are Monday-Fridays, 8am-5pm PST, except Holidays. Thanks to our community members who provide support during our down time or before we get to your questions. We appreciate you!

Need Forum Guidance? Click here
Search our FPGA Knowledge Articles here.
15471 Discussions

MMD ERROR: failed to open the device


I am using version 18.0 and have flashed and shutdown the machine several times, for longer and longer time periods and still get MMD ERROR: [acl0] failed to open the device.


C:\intelFPGA\18.0\hld\board\terasic\de5net\tests\hello_world\bin>aocl program acl0 hello_world.aocx

aocl program: Running program from c:/intelFPGA/18.0/hld/board/terasic/de5net/windows64/libexec


MMD ERROR: [acl0] failed to open the device.

Unable to open the device acl0.

aocl program: Program failed.



the physical factory image switch is set to 0 and so is the pcie jtag image. so therefore that means the pcie jtag image should be on. and also the mini usb is still plugged in.


0 Kudos
0 Replies