Dell OptiPlex E1 User Manual download pdf (Page 13)

System Overview 1-5

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For desktop connectivity, the OptiPlex E1 system includes the following ports:

 25-hole, bidirectional parallel port with EPP/ECP and demand-mode DMA

support

 Two USB ports

 Two 9-pin serial ports

 Two PS/2 ports (mouse and keyboard)

 One 15-hole video connector

 One RJ45 Ethernet NIC connector

 Three audio jacks (microphone, line-in, and line-out) (optional)

See Figure 1-3 for I/O port identifiers.

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The OptiPlex E1 system is equipped with a switch-selectable (115/230-VAC)

power supply that can operate from standard AC power outlets in the U.S. and

all international countries.

The OptiPlex E1 system has a special power supply that provides trickle

(“flea”) power to support the Wakeup On LAN feature when computer power

is off.

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Figure 1-2 shows the front-panel features for the low-profile chassis; Figure 1-3

shows internal features of the chassis.

diskette-drive

access indicator

reset button

hard-disk drive

access indicator

power button

power indicator

diskette drive

removable

media device

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Dell OptiPlex E1 User Manual Page 13