Dell OptiPlex 755 Guide De Référence Rapide page 29

8 headphone
connector
9 microphone
connector
3.5-inch drive
10
bay
11 5.25-inch drive
bay
Back View
1
1 card slots (3)
2 back panel
connectors
3 power connector
Use the headphone connector to attach headphones and
most kinds of speakers.
Use the microphone connector to attach a microphone.
Can contain an optional floppy drive, second hard drive, or
optional media card reader.
Can contain an optical drive. Insert a CD or DVD
(if supported) into this drive.
2
Access connectors for any installed PCI or PCI Express
cards, PS/2 connector, eSATA connector, etc.
NOTE:
The back view of the system will be different if a riser is
installed.
Plug serial, USB, and other devices into the appropriate
connectors (see "Back Panel Connectors" on page 30).
Insert the power cable.
3 4
Quick Reference Guide
5 6
29