Microsoft BallPoint Mouse 1.00

This is a track ball mouse that can clip to your keyboard. Came with several size attachment clamps.
Has both PS2 and Serial. Requirements: DOS 2.0, 3.5″ Floppy drive. Very early 90s. Copyright section of manual shows Windows/286 (Windows 2.0x) and Windows/386 (Windows 2.1x).






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