If you have a PCI parallel port card, it can be a address such as 9C00. The default address can be 03BC, 0378, 0278. Under the resources tab, it will list the I/O range. The last version available is R3.043.066Īfter installing MACH3, you need to find the I/O address of the parallel port.Ĭontrol Panel > Hardware and Sound > Device Manager > PortsĬlick on the LPT port, depending on how many are available. If it doesn’t, you need to re-install Windows with a 32 bit version. It should say System Type: 32-bit Operating System Goto Control Panel > System and Security > System Unfortunately no 64bit parallel port driver has been release for MACH3.īefore installing MACH3, check to see your installed version of Windows is 32 bit. If you are using MACH4, there is a working parallel port driver available. Because the driver requires low level input/output access, 64bit versions of Windows protected mode will not work. I have not tested Windows 10 but I have read that it does work. It will work with Windows 2000, XP, Vista and Windows 7 but only the 32bit version. The MACH3 parallel port driver requires a 32bit version of Windows. This post is about installing and using MACH3 with the old style PC parallel port. Another popular controller is the Smoothstepper. I use a UC300ETH ethernet controller on my larger CNC router. Most of these controllers have new features, and are much faster in generating step pulsing. Many 3rd party external controllers are now available that are USB or Ethernet compatible to MACH3/MACH4 to take over what the parallel port used to do. Over the years the parallel port has been harder to find on new computers. MACH3 originally used the DB25 PC parallel port for the step, direction and other signals to control a CNC. I still use the program on 4 different CNC machines. MACH3 is still very popular and there is a huge following of ad hoc support users in various newsgroups and Facebook. No new version of MACH3 has been released in many years. They decided to write a entirely new CNC controller called MACH4 instead and put MACH3 in support mode. The original author sold the program to Newfangled Solutions. Mach3 is CNC controller software that I have been using since the very first version was released some 15+ years ago.
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