HP Rp3000 - Point of Sale System Reference Manual page 64

b.
c.
56 Chapter 6 Removal and Replacement Procedures
Remove the screw that secures the expansion card to the chassis (1). Hold the card at each
end, and carefully rock it back and forth until the connectors pull free from the socket (2). Be
sure not to scrape the card against the other components.
Figure 6-30 Removing the Powered Serial Port Expansion Card
Place jumpers and jumper wires on the appropriate pins for COM 3 (1) and COM 4 (2).
Figure 6-31 COM 3 and COM 4 Jumpers