HP t505 Troubleshooting Manual page 19

Figure 2-4 Serial Port Jumper Locations on the System Board
Item Jumper
1 COM3 SP33
2 COM3 SP31
3 COM4 SP43
4 COM4 SP41
5 COM2 SP28
6 COM2 SP23
7 COM2 SP21
8 COM2 SP22
9 COM2 SP24
10 COM2 SP29
11 COM4 SP42
12 COM4 SP44
13 COM3 SP32
14 COM3 SP34
Before beginning the configuration process, review
on page 7 for procedures you should follow before and after installing or replacing hardware.
WARNING! Before removing the side access panel, ensure that the thin client is turned off and the
power cord is disconnected from the electrical outlet.
General Hardware Installation Sequence
Configuring Powered Serial Ports 13