Dell OptiPlex 755 User Manual
Page 6
version 1.0
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Dell™ optiplex™ 755 technical guiDe
6
DEsktop coMputEr (Dt) viEw
front view
1
USB 2.0 connectors (2)
7
hard drive activity light
2
LAN indicator light
8
headphone connector
3
power button
9
microphone connector
4
Dell badge
10
3.5-inch drive bay
5
power light
11
5.25-inch drive bay
6
diagnostic lights
1
2
3
4
5
6
8
10
11
9
7
back view
1
card slots
2
serial port
3
power connector
4
voltage selection switch
5
padlock ring
6
cover-release latch
7
parallel port
8
VGA port
1
2
5 6
3
4
8
7
system boarD components
1
internal speaker (INT_SPKR)
2
processor connector (CPU)
3
processor power connector (12VPOWER)
4
memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4)
5
password jumper (PSWD)
6
SATA connectors (SATA0, SATA1, SATA2)
7
front-panel connector (FRONTPANEL)
8
power connector (POWER)
9
external SATA connector (eSATA)
10
internal USB (INT_USB)
11
RTC reset jumper (RTCRST)
12
intrusion switch connector (INTRUDER)
13
battery socket (BATTERY)
14
PCI Express x16 connector (SLOT1)
15
PCI connector (SLOT2)
16
PCI connector (SLOT3)
17
riser connector (uses PCI-E port/SLOT1 and PCI port/SLOT2)
18
serial connector (SERIAL2)
19
system board speaker (BEEP)
20
aux power LED (aux_LED)
21
floppy connector (DSKT)
22
fan connector (FAN_CPU)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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