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Use the below Voltage Chk marked column for DC-Voltage measurements.
(all voltages are plus/minus 5%)
NOTE: If a mouse or other pointing device is attached, remove it to see
if the error symptom goes away.
If the symptom goes away, the mouse or pointing device is defective.
| PS/2-CPU | AT-CPU | KBD | KBD Signal-name |
Mouse Signal-name |
Combined KBD / Mouse |
Voltage Chk. |
|---|---|---|---|---|---|---|
| - | - | - | - | - | Aptiva 2158, 2163 2164 |
- |
| 1 | 2 | B | +KBD Data | +Mouse Data | +KBD Data | +5.0 Vdc |
| 2 *) | --- | F | not used | not used | +Mouse Data | --- |
| 3 | 4 | C | Ground | Ground | Ground | Ground |
| 4 | 5 | E | +5 Vdc | +5 Vdc | +5 Vdc | +5.0 Vdc |
| 5 | 1 | D | +KBD Clock | +Mouse Clk | +KBD Clock | +5.0 Vdc |
| 6 *) | --- | A | Not used | Not used | +Mouse Clock | --- |
| Shield | Shield | Shield | Frame GND | Frame GND | Frame GND | --- |
*)
This pin may be not available, or, if available - not connected.
Serial-port / PS/2-MOUSE-port - Adapter
for LogiTech PilotMouse+ (Logitech MouseWare for Windows)
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.