Dell OptiPlex 330 User Manual page 151

1 internal speaker connector
(INT_SPKR)
3 processor power connector
(12VPOWER)
5 SATA drive connectors
(SATA0, SATA1)
7 power connector
(POWER)
9 RTC reset jumper (RTCRST)
11 battery socket (BATTERY)
13 PCI card connectors
(SLOT2 and SLOT3)
15 serial/ PS/2 connector (PS2/SER2)
17 floppy drive connector (FLOPPY)
2 processor connector (CPU)
4 memory module connectors
(DIMM_1, DIMM_2)
6 front-panel connector
(FRONTPANEL)
8 SATA drive connectors
(SATA2, SATA3)
10 password jumper (PSWD)
12 PCI Express x16 card connector
(SLOT1)
14 internal buzzer (SPKR)
16 fan connector (FAN_CPU)
Mini Tower Computer Parts
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