Dell OptiPlex 210L - Manual (Page 100)

Jumper Settings
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)
NOTE: The SATA2 connector is not supported with this system.
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)
Desktop Computer
Jumper Setting Description
PSWD Password features are enabled (default).