HP Rp3000 - Point of Sale System Hardware Reference Manual page 42

c. Return the drive cage to the down position.
Figure C-7
7. If you are changing the Powered Serial Port Expansion Card COM 3 or COM 4 serial port
configuration:
a. Locate the Powered Serial Port Expansion Card in the expansion card slot.
b. 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 C-8
36 Appendix C Powered Serial Ports
Lowering the Drive Cage
Removing the Powered Serial Port Expansion Card
ENWW