Dell PowerEdge R760 Installation and Service Manual - Page 316

System board jumper settings, Disabling a forgotten password

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Table 157. System board jumpers and connectors (continued) Item Connector 40. SL1_CPU2_PA1 41. PWRD_EN and NVRAM_CLR 42. LFT_CP 43. A8, A16, A2, A10, A6, A14, A4, A12 44. CPU 2 45. B8, B16, B2, B10, B6, B14, B4, B12 46. PWR2_B 47. PWR2_A 48. PSU2_SIG 49. IO_RISER4 (CPU2) 50. SL9_CPU2_PA5 51. BAT_SIG Description PCIe connector 1 Jumper Left control panel connector DIMMs for CPU 1 channels H, G, F, E Processor 2 DIMMs for CPU 2 channels H, G, F, E For Riser 4 GPU power For power cable PUCK sideband signal for Riser 4 GPU Riser 4 PCIe connector 9 Battery signal connector System board jumper settings For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section. Table 158. System board jumper settings Jumper Setting PWRD_EN Description The BIOS password feature is enabled. NVRAM_CLR The BIOS password feature is disabled. The BIOS password is now disabled and you are not allowed to set a new password. The BIOS configuration settings are retained at system boot. The BIOS configuration settings are cleared at system boot. CAUTION: You should be cautious when changing the BIOS settings. The BIOS interface is designed for advanced users. Any changes in the setting might prevent your system from starting correctly and may even result in data loss. Disabling a 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. 316 Jumpers and connectors

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Table 157. System board jumpers and connectors (continued)
Item
Connector
Description
40.
SL1_CPU2_PA1
PCIe connector 1
41.
PWRD_EN and NVRAM_CLR
Jumper
42.
LFT_CP
Left control panel connector
43.
A8, A16, A2, A10, A6, A14, A4, A12
DIMMs for CPU 1 channels H, G, F, E
44.
CPU 2
Processor 2
45.
B8, B16, B2, B10, B6, B14, B4, B12
DIMMs for CPU 2 channels H, G, F, E
46.
PWR2_B
For Riser 4 GPU power
47.
PWR2_A
For power cable
48.
PSU2_SIG
PUCK sideband signal for Riser 4 GPU
49.
IO_RISER4 (CPU2)
Riser 4
50.
SL9_CPU2_PA5
PCIe connector 9
51.
BAT_SIG
Battery signal connector
System board jumper settings
For information about resetting the password jumper to disable a password, see the
Disabling a forgotten password
section.
Table 158. System board jumper settings
Jumper
Setting
Description
PWRD_EN
The BIOS password feature is enabled.
The BIOS password feature is disabled. The BIOS password is
now disabled and you are not allowed to set a new password.
NVRAM_CLR
The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
CAUTION:
You should be cautious when changing the BIOS settings. The BIOS interface is designed for
advanced users. Any changes in the setting might prevent your system from starting correctly and may even
result in data loss.
Disabling a 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.
316
Jumpers and connectors