Windows · Free download · System

Direct I/O4.4.271

Direct I/O : Especially useful for existing 16bit software that accesses special hardware

Operating system
Windows 10/11
File size
1.6 MB
License
Time-limited Trial
Last updated
May 1, 2026

75 downloads·730 page views

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Overview

What is Direct I/O?

Direct I/O : Especially useful for existing 16bit software that accesses special hardware

In depth

A closer look at Direct I/O

Direct I/O is the world's first device driver for Microsoft Windows NT, Windows 2000, Windows XP and Windows Server 2003 which enables the direct hardware access for your existing software without any programming efforts on your side.Direct I/O is especially useful for existing 16bit software that accesses special hardware, e.g. programmers or data acquisition boards. Even 32bit software developed by you benefits from the easy access to the hardware. You'll never have to bother with complex and expensive DDK toolkits again.With Direct I/O you can continue to use your existing software and hardware. There is no need to update to 32bit versions any more. Keep your investments!

The details

? Direct I/O is a kernel mode driver together with a Virtual Device Driver (VDD).? Direct I/O enables access to I/O ports and memory mapped I/O for both 16bit and 32bit programs.? I/O access is extremely fast. There is no impact on performance caused by Direct I/O.? Interrupt emulation is supported for all 16bit and 32bit programs.? You specify the programs which are allowed to use Direct I/O. The risk of system corruption is minimal.? It is controlled with its own control panel.? It comes with a state-of-the-art installer with complete uninstall support.? Customization and seamless integration of the installation into your setup can easily be done by yourself.? Direct I/O includes comprehensive online helpLimitations:? 30-day trial

Requirements

System requirements

Windows NT / Windows 2003 / Windows XP / Windows 2000

Verdict

Should you download Direct I/O?

Direct I/O runs on Windows 10/11 and is available under the Time-limited Trial license — the installer is 1.6 MB. We’ve catalogued it under System.

Verified clean. Every Direct I/O build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance

Direct I/O specifications

Category
System
Publisher
Ingenieurbuero Paule
Last updated
May 1, 2026
Requirements
Windows NT / Windows 2003 / Windows XP / Windows 2000
License
Time-limited Trial
Operating system
Windows 10/11
File size
1.6 MB
Price
Free
Page views
730

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