4033 LX (250-5130) Mouse Faxback Doc. # 1656 The 4033 LX has a PS/2 style mouse port to save the cost of a PS/2 style mouse board and the use of a 16-bit slot. Mouse and auxiliary device connector PIN ASSIGNMENTS: 1. Data 6 5 2. Reserved * ┌─┐ * 3. Ground 4 │ │ 3 4. +5 Vdc * └─┘ * 5. Clock 2 1 6. Reserved * * (/tmc-05/25/95)