System board components – Dell OptiPlex 745 User Manual
Page 25
System Board Components
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2 power supply
6 heat sink
assembly
3 optional chassis-intrusion switch
7 front I/O panel
4 system board
1
internal speaker (INT_SPKR)
11 intrusion switch connector
(INTRUDER)
2
processor connector (CPU)
12 battery socket (BATT)
3
processor power connector (12VPOWER)
13 PCI Express x16 connector
(SLOT1)
4
memory module connectors (DIMM_1, DIMM_2,
DIMM_3, DIMM_4)
14 PCI connector (SLOT3)
5
RTC reset jumper (RTCRST)
15 PCI connector (SLOT2)
6
password jumper (PSWD)
16 serial connector (SER2)
7
SATA connectors (SATA0, SATA1)
17 floppy drive connector (DSKT)
8
front-panel connector (FNT_PANEL)
18 system board speaker (BEEP)
9
power connector (POWER)
19 fan connector (FAN)
10 internal USB (INTERNAL_USB)