Dell PowerEdge T140 EMC Installation and Service Manual - Page 86

System board jumper settings, Disabling forgotten password

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Table 10. System board jumpers and connectors Item Connector 1 PWR_CPU 1 2 A3, A1, A4, A2 3 PWR_SYSTEM 1 4 SATA 0-3 5 SATA_ODD/HDD 4 6 FAN 4/ CPU_FAN 7 CPU 8 NVRAM_CLR 9 TPM 10 BATTERY 11 HDD/ODD_POWER 12 FP_USB 13 CTRL_PNL 14 PWRD_EN 15 Slot 1: PCIE_G3_X8 CPU 16 Slot 2: PCIE_G3_X8 CPU 17 Slot 3: PCIE_G3_X1 PCH 18 LEDs 19 INT_USB_3.0 20 Slot 4: PCIE_G3_X4 PCH 21 T_INTRUSION 22 SYSTEM FAN Description CPU power connector P2 Memory module sockets System power connector P1 Mini SAS connector Optical disk drive connector CPU fan connector Processor socket NVRAM password jumper Trusted platform module connector CMOS Battery connector Hard drive power connector Front panel USB connector Control panel Reset BIOS password jumper PCIe card connector 1 PCIe card connector 2 PCIe card connector 3 System board diagnostic LED indicators Internal USB connector PCIe card connector 4 Intrusion connector System cooling fan connector System board jumper settings For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section. 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. Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet. 2. Remove the system cover. 86 Jumpers and connectors

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Table 10. System board jumpers and connectors
Item
Connector
Description
1
PWR_CPU 1
CPU power connector P2
2
A3, A1, A4, A2
Memory module sockets
3
PWR_SYSTEM 1
System power connector P1
4
SATA 0-3
Mini SAS connector
5
SATA_ODD/HDD 4
Optical disk drive connector
6
FAN 4/ CPU_FAN
CPU fan connector
7
CPU
Processor socket
8
NVRAM_CLR
NVRAM password jumper
9
TPM
Trusted platform module connector
10
BATTERY
CMOS Battery connector
11
HDD/ODD_POWER
Hard drive power connector
12
FP_USB
Front panel USB connector
13
CTRL_PNL
Control panel
14
PWRD_EN
Reset BIOS password jumper
15
Slot 1: PCIE_G3_X8 CPU
PCIe card connector 1
16
Slot 2: PCIE_G3_X8 CPU
PCIe card connector 2
17
Slot 3: PCIE_G3_X1 PCH
PCIe card connector 3
18
LEDs
System board diagnostic LED indicators
19
INT_USB_3.0
Internal USB connector
20
Slot 4: PCIE_G3_X4 PCH
PCIe card connector 4
21
T_INTRUSION
Intrusion connector
22
SYSTEM FAN
System cooling fan connector
System board jumper settings
For information on resetting the password jumper to disable a password, see the
Disabling a forgotten password
section.
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.
Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2.
Remove the system cover.
86
Jumpers and connectors