Item
Connector
Description
35
SATA_TBU
Tape drive SATA connector
36
BATTERY
System battery connector
37
SATA_CDROM
Optical drive SATA connector
38
INT_USB_3.0
Internal USB 3.0 connector
39
SLOT8 PCIE_G3_X8 (CPU1)
PCIe card connector 8
System board jumper settings
Table 38. System board jumper settings
Jumper
Setting
Description
PWRD_EN
The password reset feature is enabled (pins 2–4).
BIOS local access is unlocked at the next AC
power cycle.
The password reset feature is disabled (pins 4–6).
NVRAM_CLR
The configuration settings are retained at the next
system boot (pins 3–5).
The configuration settings are cleared at system
boot (pins 1–3).
Disabling a forgotten password
The software security features of the system include a system password and a setup password. The
password jumper enables these password features or disables them and clears any password(s) currently
in use.
Prerequisites
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 are shipped with your product.
Steps
1.
Turn off the system, including any attached peripherals, and disconnect the system from the
electrical outlet.
2.
Remove the system cover.
3.
Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
4.
Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 2
and 4. However, before you assign a new system and/or setup password, you must move the jumper
back to pins 4 and 6.
205