Dell PowerEdge MX840c EMC PowerEdge MX840c Installation and Service Manual - Page 125

Jumpers and connectors, System board jumpers and connectors

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6 Jumpers and connectors This topic provides specific information about the jumpers. It also provides some basic information about jumpers and switches and describes the connectors on the various boards in the system. Jumpers on the system board help to disable the system and setup passwords. You must know the connectors on the system board to install components and cables correctly. Topics: • System board jumpers and connectors • System board jumper settings • Disabling forgotten password System board jumpers and connectors Figure 91. System board jumpers and connectors Table 16. System board jumpers and connectors Item Connector 1. A7, A1, A8, A2, A9, A3 2. TPM_MODULE 3. SATA_CONN 4. BBU_PWR_CONN 5. BACKPLANE_SIGNAL 6. PWRD_EN 7. NVRAM_CLR 8. FIO Description Memory module sockets TPM module connector SATA connector BBU power connector Backplane signal connector System configuration jumper (enabling or disabling the password settings) System configuration jumper (retaining/ clearing configuration settings) Control panel (FIO) connector Jumpers and connectors 125

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Jumpers and connectors
This topic provides specific information about the jumpers. It also provides some basic information about jumpers and switches
and describes the connectors on the various boards in the system. Jumpers on the system board help to disable the system and
setup passwords. You must know the connectors on the system board to install components and cables correctly.
Topics:
•
System board jumpers and connectors
•
System board jumper settings
•
Disabling forgotten password
System board jumpers and connectors
Figure 91. System board jumpers and connectors
Table 16. System board jumpers and connectors
Item
Connector
Description
1.
A7, A1, A8, A2, A9, A3
Memory module sockets
2.
TPM_MODULE
TPM module connector
3.
SATA_CONN
SATA connector
4.
BBU_PWR_CONN
BBU power connector
5.
BACKPLANE_SIGNAL
Backplane signal connector
6.
PWRD_EN
System configuration jumper (enabling or
disabling the password settings)
7.
NVRAM_CLR
System configuration jumper (retaining/
clearing configuration settings)
8.
FIO
Control panel (FIO) connector
6
Jumpers and connectors
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