Questions tagged [lpt]

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LPT hardware in windows 10 pro

I have legacy software that requires a WIBU 25pin D-sub hardware security key plugged into an LPT port. The problem is there aren't any laptops today with an actual 25 pin Printer port. USB/Parallel ...
0 votes
1 answer
1k views

LPT PCIe card sometimes not detected at all in Windows 10

I have an ASRock Z170 Pro4 LGA 1151 motherboard, and a RC-302E PCIe 1-Port Parallel Card connected. I am running Windows 10 Professional. I'm having an issue with the parallel port card where ...
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-2 votes
1 answer
4k views

old Designjet 430 with Windows 10

How do you install windows 10 drivers for an old designjet 430 hp plotter? It has a parallels port (LPT port), no USB. I haven't been able to find Windows 10 drivers for it.
1 vote
2 answers
7k views

Connect LPT printer to serial port

I have a printer with LPT port and it needs to be connected to serial COM1 port via adapter. Printer output is being rerouted to serial port COM1 with a command: mode LPT1=COM1 mode COM1: 9600,n,8,1 ...
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0 votes
0 answers
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Is it possible to get an LPT timeout lower than 1 second?

Windows XP - 10 have a setting to control the max time a 16-bit application can have an LPT port open. The registry value for that setting seems to only understand integer values greater than zero. ...
0 votes
2 answers
8k views

Can't give VirtualBox guest OS access to host physical LPT1 port

Preface: I've just put a 64-bit Windows 10 machine (a Dell Optiplex 760) in an office to replace an old 32-bit Windows XP PC. The PC needs to be able to print to a very old dot matrix printer - a ...
1 vote
1 answer
3k views

Printing from DosBOX on USB-Printer: layout messed up

my father is still using a very old DOS application and I'm in charge to make it run on newer systems. Right now I have the problem that I want to print, but the program only supports direct printing ...
0 votes
1 answer
453 views

Consuming parallel (LPT) communication

I have a hardware device that outputs textual data via Parallel port (DB25) to a printer. What I would like to do is to consume this data into my application (preferably with a USB cable). I've ...
  • 103
0 votes
2 answers
966 views

Can DB9 send data to another DB9 and DB25 together?

I have been asked to create a connection that would send data from a device to computer via DB9 connector. There it will be processed by our application. The same data should also be sent to a printer ...
1 vote
2 answers
1k views

How do I Simulate a LPT Printer to a legacy 16b MS-DOS PC from a Host PC

I have to simulate a LPT Printer for a legacy PC on 16b running MS DOS, from another host pc running windows, in order to capture the print job and further process it. There is no access to the legacy ...
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1 vote
1 answer
130 views

Parallelize USB data? Or simply use LPT?

I need to generate a simple system in which host computer interrupts lead out to a non-standard RJ-45 connection (6 pins in binary on/off state) that can be triggered with little latency. The only ...
  • 13
1 vote
1 answer
684 views

Local printer port using system variable as a counter

Anyone know of a way to set a local printer port to use a system variable or some form of method to create a counter or unique identifier. I currently have a printer setup where I have a new port as \...
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2 votes
3 answers
7k views

Communicating with the LPT port through USB adapter

I have a proprietary hardware which accepts input on the parallel port. The problem is the PC which needs to communicate with the hardware doesn't have a parallel port and I can't change it's ...
0 votes
2 answers
2k views

How can I simulate a USB printer to LPT on Linux?

I have an Intermec printer connected on an USB port to my computer, the computer doesn't have a parallel port. I want to send some raw commands to the printer, the printer interprets the file send as ...
1 vote
1 answer
1k views

Is it possible to use USB print server with LPT printer using LPT/USB adapter?

I would like to share my old Laserjet 6P printer (LPT only) in home network. The printer is really old but still working well and enough for our needs. However I do not want to buy LPT print server ...
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1 vote
1 answer
2k views

Windows Update not working in the Windows 8 Add Printer dialog

I am trying to add a legacy LPT EPSON printer to my Windows 8 system, but it isn't listed in the base list in the Add Printer dialog (the one which opens when I choose to add the printer manually). ...
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0 votes
0 answers
3k views

Is it possible to use a terminal emulator with the LPT port?

I am not very experienced with terminal emulators, but most of the emulators I have seen and used are asking to connect over a serial (COM) port. Is it possible to use a terminal emulator with the ...
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1 vote
0 answers
150 views

LPT Sound Interface

I am wanting to run two ZX Spectrum (a home computer that was popular during the '80s & '90s) emulator programs (one called Z80 by Gerton Lunter and another called Warajevo) in the "ykhowong" ...
19 votes
4 answers
63k views

How to wire the LPT and COM port headers on a motherboard?

I would like to add an LPT and a COM port to my computer. The board has no LPT or COM port on the I/O panel on the back. However, there are LPT and COM port headers on the board. You can see these ...
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