Desktop system board – Dell OptiPlex GX280 User Manual
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2
power connector (POWER)
15 line-in, line-out, and microphone connectors
(AUDIO)
3
floppy drive connector (DSKT)
16 network connector (NIC) and USB connector
(USB2)
4
battery socket (BATTERY)
17 USB connectors (USB1)
5
internal speaker (SPEAKER)
18 diagnostic lights (DIAG LED)
6
front-panel connector (FRONT PANEL)
19 serial port connector (SER1) and video
connector (VGA)
7
CD/DVD drive connector (IDE)
20 parallel port connector (PAR)
8
serial ATA drive 0 connector (SATA0)
21 power connector (12VPOWER)
9
standby power light (AUX_PWR)
22 processor connector (CPU)
10 memory module connectors (DIMM1, DIMM2, DIMM3, DIMM4)
23 heat-sink/blower retention pad
11 PCI Express x16 connector (PEG)
24 fan connector (FAN)
12 PCI riser connector (PCI2)
25 serial port 2 connector (SER_PS2)
13 CD drive analog audio cable connector for optional analog audio
cable (CD_IN)
26 password jumper (PSWD)
Desktop System Board