Sony PCG-GRX500K - Manual (Page 65)

Connecting a PS/2 External Mouse or Keyboard
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Connecting a PS/2 External Mouse or Keyboard
You can connect either an external PS/2® mouse or PS/2 keyboard to the port
replicator (not supplied) using a similar type PS/2 plug or adapter. You may
connect only one PS/2 device to the port replicator at a time.
To connect an external mouse or keyboard
1 Shut down the notebook before you connect or disconnect the PS/2 external
mouse or keyboard connector.
2 Connect the optional port replicator to the notebook.
3 Locate the Mouse/Keyboard (PS/2) port on the port replicator identified by
the
/ symbols.