Dell OptiPlex 755 Quick Reference Guide - Page 27

Desktop Computer, System Views

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Jumper RTCRST Setting jumpered Description The real-time clock has not been reset. The real-time clock is being reset (jumpered temporarily). unjumpered Desktop Computer System Views Front View 1 2 3 11 10 1 USB 2.0 connectors (2) 2 LAN indicator light 9 8 76 5 4 Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices (see "System Setup" in the User's Guide for more information about booting to a USB device). It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. This light indicates that a LAN (local area network) connection is established. Quick Reference Guide 27

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Quick Reference Guide
27
Desktop Computer
System Views
Front View
RTCRST
The real-time clock has not been
reset.
The real-time clock is being reset
(jumpered temporarily).
jumpered
unjumpered
1
USB 2.0
connectors (2)
Use the front USB connectors for devices that you connect
occasionally, such as joysticks or cameras, or for bootable
USB devices (see "System Setup"
in the
User’s Guide
for
more information about booting to a USB device).
It is recommended that you use the back USB connectors
for devices that typically remain connected, such as
printers and keyboards.
2
LAN indicator
light
This light indicates that a LAN (local area network)
connection is established.
Jumper
Setting
Description
8
9
3
5
1
4
6
11
10
2
7