Dell Latitude C540 - Manual (Page 17)

Bottom View
1 Mini PCI card, modem, and memory module cover
2 device latch releases
3 docking device latch
Mini PCI Card, Modem, and Memory Module Cover - Covers the compartment that contains the
memory module(s), optional modem, and optional Mini PCI card. See " Adding and Replacing Parts ."
Device Latch Releases - Press to remove a device in the module bay. See " Using the Module Bay " for
instructions.
Docking Device Latch - Latches onto the docking device.