System board layout – Dell OptiPlex 980 (Early 2010) User Manual
Page 12
System Board Layout
Dell™ OptiPlex™ 980 Service Manual—Desktop
1
service mode jumper (Service_Mode)
2
RTC reset jumper (RTCRST)
3
battery socket (BATTERY)
4
PCI card connectors ( SLOT 2 & 3)
5
PCI Express x16 card
connector(SLOT1)
6
PCI Express x16 (wired as x4) connector (Slot
4)
7
internal serial card connector (Serial2)
8
speaker connector (INT_SPKR)
9
PCI Express x1 wireless card
connector (PCIE_WLS1)
10 thermal sensor connector THRM3)
11 fan connector (FAN_CPU)
12 power connector (12V POWER)
13 memory module connectors (DIMM_1-
4)
14 front panel connector (FRONTPANEL)
15 Internal buzzer (BEEP)
16 password jumper (PSWD)
17 SATA drive connectors (SATA0-3)
18 intruder connector (INTRUDER)
19 internal USB connector (INT_USB)
20 front I/O connector(FIO)
21 power connector (MICRO_PWR)