Toshiba PA2805U Trackball Microsoft BallPoint Mouse v2.0 QuickPort T1910 T4600CS

Toshiba PA2805U Trackball Microsoft BallPoint Mouse v2.0 QuickPort T1910 T4600CS

The Toshiba PA2805U is a dedicated external trackball designed for Toshiba laptop computers of the early 1990s. Based on Microsoft's BallPoint Mouse v2.0 technology, it connects via Toshiba's proprietary QuickPort connector, snapping directly into the side of compatible Toshiba portables without a separate cable. The unit is made in Japan by Toshiba Corporation.

Specifications & What's Included

• Manufacturer: Toshiba Corporation
• Model Number: PA2805U
• Technology: Microsoft BallPoint Mouse v2.0
• Connection: QuickPort (proprietary Toshiba connector)
• Trackball: Large-format ball with flanking click buttons
• FCC ID: C3KQP2
• Country of Manufacture: Japan (Made in Japan per label)
• Compatible with: Toshiba T1910, T1950C, T4600C, T4600CS
• Includes: Trackball unit only

Applications

The PA2805U was designed for Toshiba laptop and portable computer users in the early 1990s who needed a pointing device beyond the keyboard cursor keys — a common need before built-in touchpads or pointing sticks became standard. The QuickPort connector allowed the trackball to dock directly to the side of the laptop body, making it a clean, integrated accessory for mobile use. Compatible machines include the Toshiba T1910, T1950C, T4600C, and T4600CS — a lineup of 486-era portables that represented Toshiba's mainstream business notebook range of the period. The BallPoint form factor, popularized by Microsoft's own BallPoint Mouse, was a practical solution for use on airplane tray tables or cramped desks where rolling a conventional mouse wasn't possible. These units are now sought after by collectors and users maintaining original Toshiba T-series systems.