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NCA-4210 User Manual

Here, we take the Fedora 20 x86_64 operation system for instance to explain 3 virtualizations respectively

for parallel port pass through. Use the procedures listed below for step-by-step instructions separately based

on your case.

In case of QEMU/KVM or Xen, please use the following steps as a guideline to implement the virtualization:

(1) Make sure that the Guest OS has been installed.

(2) Add the following 4 lines into the xml file

(for example, add to /etc/libvirt/qemu/<yourvirtualmachine>.xml in linux KVM):

</parallel>

(3) Open a terminal in the Guest OS and then issue the following commands to install Linux Kernel drivers.

# modprobe parport

# modprobe parport_pc

# modprobe ppdev

(4) Check that whether the /dev/parport0 exists or not. You may not find proper /dev/parport0 in the device

list, please reconfirm the setup of xml file in the Guest OS.

(5) Reboot the Guest OS.

Note: It is necessary for you to install "insmod parport.ko", "parport_pc.ko" and "ppdev.ko" Linux Kernel

drivers in virtualization environment before executing the "ppdev_test" testing program.

In case of VMWare Player, please use the following steps as a guideline to implement the virtualization:

(1) Make sure that the Guest OS has been installed.

(2) To set up the parallel port pass through, please enter VMWare Player's --> Virtual Machine Setting -->

VMWare Player's setting page to select /dev/parport0 as parallel port device.