Article ID: 232439 - View products that this article applies to.
This article was previously published under Q232439
The Microsoft Keyboard includes adapters for both the PS/2 and Universal Serial Bus (USB) ports on your computer. You can connect the keyboard to the computer by using one of the following methods:
PS/2 and USB (Recommended)When you connect the keyboard to both the PS/2 and USB ports on your computer, you are can use all the features and functionality of the Microsoft Keyboard, including the USB ports on the keyboard.
USB OnlyWhen you connect the keyboard to the USB port only, you are can use all the features and functionality of the Microsoft Keyboard, but may experience problems if your computer does not support HID (Human Interface Device) class USB devices.
PS/2 OnlyUse this method if your computer does not support HID class USB devices. If you connect the keyboard to the PS/2 port only, you cannot use the USB ports on the Microsoft Keyboard.
For more information about how to determine if your computer supports HID class USB devices, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/191772/ )USB devices may not be detected by Windows 98
To obtain more information about USB support for your computer, contact your hardware manufacturer.
Article ID: 232439 - Last Review: October 11, 2007 - Revision: 5.3