Adding Optional DOS Box Support
Adding Optional DOS Box Support for Serial Ports
DOS Box support for the USB Serial Adapter is useful if you intend to use DOS applications, but not necessary for Windows® applications. If you are using only Windows® applications, it is recommended that you do not install this feature as it uses resources. For more information about using DOS Box applications, see section 4.4. Enabling DOS Box support requires one IRQ and a range of eight memory locations in order to function. In addition, some DOS applications require certain IRQ and memory configurations to be associated with specific COM ports. To enable DOS Box support for a USB Serial Adapter device, follow the instructions below.
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2.Click “Properties” from the menu that appears.
3.Click the “Device Manager” tab on the System Properties page.
4.Click the “+” next to Ports (COM & LPT).
5.Click “USB Comm Port” (ComX) where X is the port number of the device to which you’d like to add DOS Box support.
6.Click the “Properties” button.
7.Click the “DOS Box” tab.
8.Click the box next to Enable DOS Box 16550 Emulator. A check mark will appear in the box.
9.Choose a DOS name for the port from the list box next to Logical Device Name (DOS Box). Many DOS applications will only work with
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