Dell OptiPlex 740 DCSM Quick Reference Manual page 48

1 drive release latch
4 chassis intrusion
switch (optional)
7 system board
System Board Components
1
20
19
18
17
16
15
14
13
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Quick Reference Guide
2 optical drive
5 hard drive
8 heat sink assembly
12
3
6
9
2
11 10
power supply
card slots (2)
front I/O panel
9 8
3
4
5
6
7