Dell OptiPlex 210L - Manual (Page 52)

System Board Components
1 CD/DVD drive 5 system board
2 floppy drive 6 heat sink assembly
3 power supply 7 hard drive
4 chassis manual voltage-selection switch
1 fan connector (FAN) 9 PCI Express x1 card connector
2 processor connector (CPU) 10 PCI card connector (2)
3 power connector (12VPOWER) 11 FlexBay USB connector
4 memory module connectors (DIMM_1, DIMM_2) 12 piezo buzzer
5 serial ATA drive connectors (SATA0, SATA2) 13 password jumper (PSWD)
6 front-panel connector (FNT_PANEL) 14 battery socket (BATT)
7 power connector (POWER) 15 RTC reset jumper (RTCRST)
8 CD/DVD drive connector (IDE)