Jumper Settings - Dell OptiPlex 270 Service Manual

1 floppy-drive connector (DSKT)
2 CD/DVD drive connector (IDE2)
3 battery socket (BATTERY)
4 front-panel connector (FRONTPANEL)
5 IDE hard-drive connector (IDE1)
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)
9 standby power light (AUX_PWR)
10 AGP card connector (AGP)
11 PCI connectors (PCI 1, 2, 3, and 4))

Jumper Settings

Resetting CMOS Settings
CAUTION: Before you begin any of the procedures in this section, follow the steps in
12 CD drive audio cable connector (CD_IN)
13 front-panel audio cable connector (FRONTAUDIO)
14 power connector (12VPOWER)
15 serial port connector (SER2) for optional serial port cards
16 microprocessor and heat sink connector (CPU)
19 power connector (POWER)
20 RTC reset jumper (RTCRST)
21 password jumper (PSWD)
Jumper Setting Description
PSWD (default) Password features are enabled.
Password features are disabled.
RTCRST Real-time clock reset.
jumpered unjumpered
"Safety Instructions."