Rx5670 Server; Rx4640 Debugging Port; Location Of Three Jumpers On Rx4640 Motherboard - HP Rx2620-2 - Integrity - 0 MB RAM Manual

Figure 1-8 rx4640 debugging port
To enable the debug port, you must open the server's I/O bay and short a jumper header as
follows (jumper not provided):
1. Power the system off and verify that it is disconnected from the main AC power supply.
2. Locate the set of three jumpers directly above the brown edge connector socket (the one
resembling an AGP slot) on the motherboard, as shown in the following image.
Figure 1-9 Location of three jumpers on rx4640 motherboard
3. Short the middle jumper header, which is the one labeled "console mux."
4. Power the server on. You can now use the "remote" DB9 port as a debugging port with a
DB9 female-terminated RS-232 null modem cable.

rx5670 server

On the rx5670 server, connect the 4-pair CAT-5 cable to the RJ45 port shown in the following
image.
22 Debugging the kernel locally