Tested.

The IBM Local Area Network Program Support LAN 25H3189 Guide User is a vintage computing product that serves as a guide for users who are utilizing IBM LAN products. This guide provides support and instructions for using these products, specifically related to local area network systems. With IBM's reputation for quality and innovation, this program is likely to contain valuable information and insights for users looking to enhance their networking capabilities. Made in the United States, this product offers users a reliable resource for understanding and making the most of their IBM LAN products.