Dell OptiPlex GX270 - Manual (Page 20)

Jumper Settings
Resetting CMOS Settings
1 floppy-drive connector (DSKT) 12 CD drive audio cable connector (CD_IN)
2 CD/DVD drive connector (IDE2) 13 front-panel audio cable connector (FRONTAUDIO)
3 battery socket (BATTERY) 14 power connector (12VPOWER)
4 front-panel connector (FRONTPANEL) 15 serial port connector (SER2) for optional serial port cards
5 IDE hard-drive connector (IDE1) 16 microprocessor and heat sink connector (CPU)
6 serial ATA hard-drive connector (SATA2) 17 microprocessor fan connector (FAN)
7 serial ATA hard-drive connector (SATA1) 18 memory module connectors (DIMMs 1, 3, 2, and 4)
8 internal speaker (SPEAKER) 19 power connector (POWER)
9 standby power light (AUX_PWR) 20 RTC reset jumper (RTCRST)
10 AGP card connector (AGP) 21 password jumper (PSWD)
11 PCI connectors (PCI 1, 2, 3, and 4))
Jumper Setting Description
PSWD (default) Password features are enabled.
Password features are disabled.
RTCRST Real-time clock reset.
jumpered unjumpered
CAUTION: Before you begin any of the procedures in this section, follow the steps in " Safety Instructions ."