3/23/2021 0 Comments Lpt1 Virtual Port Windows 10
My host doesnt have a built in parallel port and I had to try several PCI card parallel ports until I found one that used parport.sys before it would work.I find that with VirtualBox 5.1.4, 5.1.6 and 5.1.8 and 5.1.9-111573 (with matching Extension Pack installed) my FreeDOS 1.1 VM will not start at all after issuing the following VBoxManage commands.The oldest log file VBox.log.3 is one from when it last worked, the others are fails.
Lpt1 Virtual Port Windows 7 Ultimate 64REPOSTED with better formatting and some extra clarification: I run VirtualBox on a Windows 7 Ultimate 64 bit host.I find that with VirtualBox 5.1.4, 5.1.6, 5.1.8 or 5.1.9-111573 (each with matching Extension Pack installed) my FreeDOS 1.1 VM will not start at all after issuing the following VBoxManage commands. Could it be relevant that my host CPU is a Core i7-4770K which has VT-x but not VT-d (Chipset is Z87). Same story here, VirtualBox 5.1.10 and Windows XP 32-bit version cannot communicate with Parallel Port. Need this because of old hardware dongle, which is needed with Workview Office FPGA development. This should be fixed with the latest Windows test build (a regression sneaked into 5.1.4 resulting in the hang). Im not sure if HW Engineers problem is exactly the same but I suggest he tries this test build too. Updating to VirtualBox -5.1.11-112197-Win at least fixes the VM crash, but I am still not able to see the attached dongle. Dell Precision M4800 with Windows 7 Enterprise with SP1 (64-bit OS). Latest Sentinel drivers installed (Sentinel Protection Installer 7.6.5). Our WVOffice software, installed on the VM, uses a hardware dongle from Sentinel Rainbow. This is the same message as starting the software without the dongle. Also its possible that the feed through implemented by VirtualBox isnt compatible with every kind of bit twiddling that can be done with a real parallel port in a real PC. I tried all kind of different settings, in BIOS, on host and guest systems, none of the combinations are working. Whatever setting I choose in BIOS, the device manager in Win7 shows the parallel port is in ECP mode. A simple dos tool to read this dongle (in the WinXP guest system) also says there is no dongle connected. Do you know if this works on the host hardware with XP installed directly on the host rather than in a VM. On the host is the driver loaded for your parallel port the normal Microsoft parport.sys or something else (Its okay if parport.sys is referenced from a non Microsoft inf file).
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