Dell OptiPlex E1 Service Manual page 17

optional
NIC connector
microphone
(ENET)
jack (MIC)
optional
line-out jack
(LINE-OUT)
optional
line-in jack
(LINE-IN)
CD-ROM audio
interface
connector (CD_IN)
video-memory
upgrade socket
(VIDEO_UPGRADE)
ATI multimedia
connector (AMC)
telephony
connector (TAPI)
riser board
connector (RISER)
secondary EIDE
interface
connector (IDE2)
system board jumpers
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microprocessor
fan connector
video connector
(FAN)
(MONITOR)
primary EIDE
interface connector
(IDE1)
front of computer
serial port 2
connector (SERIAL2)
USB connectors (2)
(USB)
diskette/tape drive
interface connector
(DSKT)
mouse/keyboard
connectors
(stacked)
(MOUSE/KYBD)
parallel/serial port 1
connectors (stacked)
(PARALLEL/SERIAL1)
SEPP cartridge
connector (SLOT1)
DIMM sockets (2)
(DIMM_B–DIMM_C)
main power input
connector (POWER_1)
3.3-V power input
connector
(POWER_2)
battery socket
(BATTERY)
chassis-intrusion switch
connector (INTRUSION)
control panel
connector (PANEL)
System Overview 1-9