Computer Hardware User Manual

104 Jumpers and Connectors
Disabling a Forgotten Password
The password jumper on the system board enables the system password features or disables them and clears
any password(s) currently in use.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2 Open the system. See "Opening the System" on page 41.
Table 6-2. System Board Connectors
Item Connector Description
1 12VPOWER power
2 DIMM_1, DIMM_2, DIMM_3,
DIMM_4
memory modules
3 BATTERY battery socket
4 FAN_MEM memory fan
5 FRONTPANEL front panel
6 POWER main power
7 IDE IDE drive
8 SATA0, SATA1, SATA2, SATA3 SATA drives
9 RTCRST RTC reset jumper
10 INTRUDER chassis intrusion header
11 SLOT1 PCIe x1
12 SLOT2 PCIe x8
13 SLOT4 PCIe x4
14 SLOT3, SLOT5 PCI
15 AUX_LED auxiliary hard-drive LED
16 FLOPPY diskette drive
17 FAN_CARD_CAGE card cage fan
18 FAN_CPU processor fan
19 PSWD password jumper
20 CPU processor
book.book Page 104 Tuesday, August 25, 2009 1:14 PM