Dell PowerEdge T420 Owner's Manual - Page 139

Disabling A Forgotten Password, A6, A3, A5, A4, A1 - hard disk

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Item Connector 12 ID_BTN 13 CMA_JACK 14 USB4 TOP, USB5, USB6 BOT 15 USB1 TOP, USB2, USB3 BOT 16 NIC1 TOP, NIC2 BOT 17 COM TOP/VGA BOT 18 INTRUSION 19 CPU2 20 I2V_2/P2 21 12V_1/P3 22 A6,A3,A5,A3,A4,A1 23 CPU1 24 FAN2 25 BP_CONN 26 BATTERY 27 INT USB 28 FAN1 29 PDB_12C/P6 30 ODD2/TBU 31 ODD1/TBU 32 SATA_A 33 JUMPER 34 IDSDM 35 PERC card CONN Description System identification button System identification connector (Cable management arm) USB connectors USB connectors NIC connectors Serial connector/video connector Chassis intrusion switch connector Processor 2 Power connector Power connector Memory module sockets Processor socket External cooling fan connector Backplane connector System battery connector Internal USB connector Internal cooling fan connector Power distribution board connector SATA_F connector for optical disk drive 2 or tape backup unit SATA_E connector for optical disk drive 1 or, tape backup unit in software RAIDconfigured systems SATA connector Jumper IDSDM connector Hard-drive activity connector Disabling A Forgotten Password The system's software security features 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. 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. 139

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Item
Connector
Description
12
ID_BTN
System identification button
13
CMA_JACK
System identification connector (Cable management arm)
14
USB4 TOP, USB5, USB6
BOT
USB connectors
15
USB1 TOP, USB2, USB3
BOT
USB connectors
16
NIC1 TOP, NIC2 BOT
NIC connectors
17
COM TOP/VGA BOT
Serial connector/video connector
18
INTRUSION
Chassis intrusion switch connector
19
CPU2
Processor 2
20
I2V_2/P2
Power connector
21
12V_1/P3
Power connector
22
A6,A3,A5,A3,A4,A1
Memory module sockets
23
CPU1
Processor socket
24
FAN2
External cooling fan connector
25
BP_CONN
Backplane connector
26
BATTERY
System battery connector
27
INT USB
Internal USB connector
28
FAN1
Internal cooling fan connector
29
PDB_12C/P6
Power distribution board connector
30
ODD2/TBU
SATA_F connector for optical disk drive 2 or tape backup unit
31
ODD1/TBU
SATA_E connector for optical disk drive 1 or, tape backup unit in software RAID-
configured systems
32
SATA_A
SATA connector
33
JUMPER
Jumper
34
IDSDM
IDSDM connector
35
PERC card CONN
Hard-drive activity connector
Disabling A Forgotten Password
The system's software security features 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.
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.
139