IBM PS/1 - Page 276

Assembly 7: (continued)
–2 93F2379 1 Mouse
–NS 60G1990 1 Ball and Clip for mouse—Level 2
(match to FRU part number on mouse
33G1913)
–NS 93F2380 1 Ball and Clip for mouse—Level 1
(match to FRU part number on mouse
33G3835)
7-24