Dell XPS 410 (Mid 2007) - Manual (Page 15)

Memory
You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your
computer, see
Memory .
Memory Overview
l Memory modules should be installed in pairs of matched memory size, speed, and technology for best performance. Otherwise, the computer will continue
to operate, but with a slight reduction in performance. See the label on the module to determine the module's capacity.
The recommended memory configurations are:
1 memory module
connectors (1, 2, 3, 4) 2 battery socket
(BATTERY) 3 SATA Connectors SATA0,
SATA1
4 front panel I/O
connector 5 main power
connector 6 SATA connectors (4) (SATA2,
SATA3, SATA4, SATA5
7 FlexBay USB connector 8 clear CMOS jumper
(CLRCMOS) 9 password jumper (CLRPSWD)
10 PCI Express x1 card
connector
11 PCI Express x16 card
connector
12 PCI Express x4 card connector
13 PCI card connectors 14 floppy drive
connector (FLOPPY)
15 PS/2 and Serial connector
16 card fan connector 17 thermal sensor
connector
18 processor fan connector
19 processor and heat sink
connector
20 processor power
connector
1 memory module 2 memory module capacity label
NOTE: Always install memory modules in the order indicated on the system board.