Dell OptiPlex GX280 - Manual (Page 123)

1 fan connector (FAN) 11 intrusion switch connector
(INTRUDER)
2 processor connector (CPU) 12 password jumper (PSWD)
3 power connector (12VPOWER) 13 PCI Express x16 connector (PEG)
4 memory module connectors (DIMM1, DIMM2, DIMM3, DIMM4) 14 PCI riser connector (PCI1)
5
serial ATA drive 0 and 2 connectors
(SATA0, SATA2)
15 PCI connector (PCI3)
6 front-panel connector (FRONT PANEL) 16 serial connector (SER_PS2)
7
CD drive analog audio cable connector for optional analog audio cable
(CD_IN)
17 floppy drive connector (FLOPPY)
8 power connector (POWER) 18 battery socket (BATTERY)
9 CD/DVD drive connector (IDE) 19 internal speaker (SPEAKER)
10 RTC reset jumper (RTCRST) 20 external speaker connector
(EXT_SPKR)
Small Mini-Tower System Board