Table 24. System board jumpers and connectors (continued)
Item Connector Description
36 J_SATA_A SATA A connector
37 J_SATA_C SATA C connector (Optical drive SATA connector)
38 CPU1 CPU1 processor and heat sink module
39 P_RGT_CP Right control panel connector
System board jumper settings
For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 25. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS local access is protected with the software security
features.
The BIOS local access security features are unlocked on the
next AC power cycle.
NVRAM_CLR The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
Disabling forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or
disables password features 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 2 and 4 (default) to pins 4 and 6.
4. Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before
you assign a new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE:
If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new
password(s) the next time it boots.
5. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
6. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7. Remove the system cover.
8. Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4 (default).
9. Install the system cover.
10. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
34
Disassembly and reassembly
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