HP Model 743 PC, Owner'S Manual

Page: 87 / 142

4-13
Connecting Cables
Keyboard and Mouse Connections
Keyboard and Mouse Connections
There are two PS/2 style serial ports: one PS/2 keyboard port and one PS/2
mouse port. In the Boot Console Handler’s hardware menu, they are listed as
PS/0 and PS/1. Figure 4-6 shows the PS/2 connector. Also refer to
Figure 4-1; the two ports on the right, labeled Mouse and Keyboard.
Figure 4-6 PS/2 Connector
Table 4-5 shows the PS/2 connector pinouts.
Table 4-5 PS/2 Connector Pinouts
Pin Number Signal
1 Data
2 Not used
3 GND
4 +5
5 Clock
6 Not used