Dell OptiPlex 270 Service Manual - Page 19

1 floppy-drive connector (DSKT) 11 CD drive audio cable connector (CD_IN) 2 CD/DVD drive connector (IDE2) 12 front-panel audio cable connector (FRONTAUDIO) 3 battery socket (BATTERY) 13 power connector (12VPOWER) 4 front-panel connector (FRONTPANEL) 14 serial port connector (SER2) for optional serial port cards 5 IDE hard-drive connector (IDE1) 15 microprocessor and heat sink connector (CPU) 6 serial ATA hard-drive connector (SATA1) 16 microprocessor fan connector (FAN) 7 internal speaker (SPEAKER) 17 memory module connectors (DIMMs 1, 3, 2, and 4) 8 standby power light (AUX_PWR) 18 power connector (POWER) 9 AGP card connector (AGP) 19 RTC reset jumper (RTCRST) 10 PCI riser board connector (PCI2) 20 password jumper (PSWD) Small Mini-Tower System Board