Back view of the computer – Dell Dimension C521 User Manual
Page 15
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Setting Up and Using Your Computer
15
Back View of the Computer
4
2
1
3
1
voltage selection switch
See the safety instructions in the Product Information Guide for more
information.
2
power connector
Insert the power cable.
3
back panel I/O connectors
Plug serial, USB, and other devices into the appropriate connectors (see "Back
Panel I/O Connectors" on page 16).
4
card slots (3)
Access connector slots for expansion cards:
• SLOT1 PCI Express x16
• SLOT2 PCI Express x1
• SLOT3 PCI
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