![Help!] QTronix Libra 90M — can anyone help me confirm this trackball with a female DB9 connector is a PS2 mouse and not USB or Serial? Internal pics in comments: : r/Trackballs Help!] QTronix Libra 90M — can anyone help me confirm this trackball with a female DB9 connector is a PS2 mouse and not USB or Serial? Internal pics in comments: : r/Trackballs](https://preview.redd.it/q5k4bcqe2rk91.jpg?auto=webp&s=d4c39185281e5dc3cb697e4cda38516b0d70514d)
Help!] QTronix Libra 90M — can anyone help me confirm this trackball with a female DB9 connector is a PS2 mouse and not USB or Serial? Internal pics in comments: : r/Trackballs
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