Dell PowerEdge M820 Dell PowerEdge M820 Systems Owner's Manual - Page 73

Disabling A Forgotten Password, B3, B7, B11, B4, B8, B12

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Item Connector 8 MEZZ4_FAB_B 9 NETWORK DAUGHTER CARD 2 (bNDC2) 10 CPU2 11 B3, B7, B11, B4, B8, B12 12 B10, B6, B2, B9, B5, B1 13 C1, C5, C9, C2, C6, C10 14 CPU3 15 PCIe EXTENDER 16 J_BP1 17 USB3 18 USB2 19 USB1 20 C12, C8, C4, C11, C7, C3 21 INT USB1 22 D1, D5, D9, D2, D6, D10 23 MiniPERC CARD 24 BATTERY 25 J_BP0 26 CPU4 27 D12, D8, D4, D11, D7, D3 28 A3, A7, A11, A4, A8, A12 29 CPU1 30 A10, A6, A2, A9, A5, A1 Description Mezzanine card connector for Fabric B Network daughter card connector Processor socket 2 Memory module sockets (for processor 2) Memory module sockets (for processor 2) Memory module sockets (for processor 3) Processor socket 3 PCIe extender card connector Hard-drive backplane connector USB connector USB connector USB connector Memory module sockets (for processor 3) Internal USB key Memory module sockets (for processor 4) Storage controller card connector Connector for the 3.0 V coin cell battery Hard-drive backplane connector Processor socket 4 Memory module sockets (for processor 4) Memory module sockets (for processor 1) Processor socket 1 Memory module sockets (for processor 1) Disabling A Forgotten Password The blade'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. 1. Remove the blade from the enclosure. 2. Open the blade. 3. Remove the system board to gain access to the jumpers. 73

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Item
Connector
Description
8
MEZZ4_FAB_B
Mezzanine card connector for Fabric B
9
NETWORK DAUGHTER
CARD 2 (bNDC2)
Network daughter card connector
10
CPU2
Processor socket 2
11
B3, B7, B11, B4, B8, B12
Memory module sockets (for processor 2)
12
B10, B6, B2, B9, B5, B1
Memory module sockets (for processor 2)
13
C1, C5, C9, C2, C6, C10
Memory module sockets (for processor 3)
14
CPU3
Processor socket 3
15
PCIe EXTENDER
PCIe extender card connector
16
J_BP1
Hard-drive backplane connector
17
USB3
USB connector
18
USB2
USB connector
19
USB1
USB connector
20
C12, C8, C4, C11, C7, C3
Memory module sockets (for processor 3)
21
INT USB1
Internal USB key
22
D1, D5, D9, D2, D6, D10
Memory module sockets (for processor 4)
23
MiniPERC CARD
Storage controller card connector
24
BATTERY
Connector for the 3.0 V coin cell battery
25
J_BP0
Hard-drive backplane connector
26
CPU4
Processor socket 4
27
D12, D8, D4, D11, D7, D3
Memory module sockets (for processor 4)
28
A3, A7, A11, A4, A8, A12
Memory module sockets (for processor 1)
29
CPU1
Processor socket 1
30
A10, A6, A2, A9, A5, A1
Memory module sockets (for processor 1)
Disabling A Forgotten Password
The blade'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.
1.
Remove the blade from the enclosure.
2.
Open the blade.
3.
Remove the system board to gain access to the jumpers.
73