Jumper settings – Dell OptiPlex 755 User Manual
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Quick Reference Guide
Jumper Settings
1
speaker connector (INT_SPKR)
12
RTC reset jumper (RTCRST)
2
fan (FAN_CPU)
13
intrusion switch connector
(INTRUDER)
3
processor connector (CPU)
14
battery socket (BATTERY)
4
processor power connector
(12VPOWER)
15
PCI Express x16 connector (SLOT1)
5
memory module connectors
(DIMM_1, DIMM_2, DIMM_3,
DIMM_4)
16
PCI Express x1 connector (SLOT4)
6
password jumper (PSWD)
17
PCI connector (SLOT2)
7
SATA drive connectors (SATA0,
SATA1, SATA2, SATA3)
18
PCI connector (SLOT3)
8
front-panel connector (FRONTPANEL) 19
serial connector (SERIAL2)
9
power connector (POWER)
20
system board speaker (BEEP)
10
external SATA connector (eSATA)
21
aux power LED (AUX_LED)
11
internal USB (INT_USB)
22
floppy connector (DSKT)
Jumper
Setting
Description
PSWD
Password features are enabled
(default setting).
Password features are disabled.