How to replace the Serial PS2 Card on a Precision 7875 Tower
Published March 20, 2026
This 3D experience gives you the step by step process of replacing the Serial PS2 Card and a Precision 7875 Tower. The procedure will also include removing the Side Cover, Air Shroud, Rear Fan Assembly and reinstalling them.
Removal
Side Cover
Identify the side cover highlighted in blue.
Unlock the side panel latch using a Phillips screwdriver.
Press to open the latch of the side cover. Pull the release latch to release the side cover from the chassis.
Open the side cover at an angle and lift the cover away from the chassis.
Air Shroud
Identify the air shroud highlighted in blue.
Hold the top air shroud at the grip points and pull it upwards out of the chassis.
Rear Fan Assembly
Identify the rear fan assembly highlighted in blue.
Disconnect the rear fan cables from the system board.
Remove the screws that secure the rear fan assembly to the chassis.
Lift at an angle and remove the rear fan assembly away from the chassis.
Serial PS2 Card
Identify the serial PS2 card highlighted in blue.
Disconnect the serial PS2 cable from the connectors on the serial PS2 card and the system board.
Remove the two screws that secure the serial PS2 card to the system board.
Slide and remove the serial PS2 card off the chassis.
Install
Serial PS2 Card
Identify the serial PS2 card location highlighted in blue.
Align the port on the serial PS2 card with the port opening on the chassis.
Install the screws that secure the serial PS2 card to the system board.
Connect the serial PS2 card cable to the connector on the serial PS2 card and the system board.
Rear Fan Assembly
Identify the rear fan assembly location highlighted in blue.
Install the rear fan assembly at an angle into the slot in the chassis.
Install the screws that secures the rear fan assembly to the chassis.
Connect the rear fan cables to the connector on the system board.
Air Shroud
Identify the air shroud location highlighted in blue.
Install the air shroud and press the top air shroud down until the tabs click into place.
Side Cover
Identify the side cover location highlighted in blue.
Align the tabs with the slots and install the side cover on the chassis.
Using a Phillips screwdriver, turn the side panel latch to the locked position.