HP Compaq 6000 Pro SFF Hardware Reference Manual page 42

2. Disconnect the drive cables from the rear of the drive, or, if you are removing a media card reader,
disconnect the USB and 1394 cables from the system board as indicated in the following
illustrations.
NOTE:
Figure 2-29
Figure 2-30
36 Chapter 2 Hardware Upgrades
On some models, the media card reader does not include a 1394 port or cable.
Disconnecting the Media Card Reader USB Cable
Disconnecting the Media Card Reader 1394 Cable
ENWW