Dell OptiPlex 740 Quick Reference Manual page 42

7 front-panel
connector
(FRONTPANEL)
10 CMOS reset jumper
(RTCRST)
13 PCI Express x16
connector (SLOT1)
16 PCI Express x1
connector (SLOT4)
19 floppy drive
connector (DSKT)
22 fan connector
(FAN_CPU)
Jumper Settings
Mini Tower Computer
42
Quick Reference Guide
8 power connector
(POWER1)
11 battery socket
(BATTERY)
14 standby power
(AUX_PWR_LED)
17 password jumper
(PSWD)
20 serial connector
(PS2/SER2)
9 intrusion switch
connector
(INTRUDER)
12 internal USB (USB1)
15 PCI connector
(SLOT2)
18 PCI connector
(SLOT3)
21 optional DVI-card
connector
(DVI_HDR)