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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:
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System board jumper settings
For information on resetting the password jumper to disable a password, see the
Disabling a forgotten password
section.
Table 38. System board jumper settings
Jumper
Setting
Description
NVRAM_CLR
The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
PWRD_EN
The BIOS password feature is enabled.
The BIOS password feature is disabled. iDRAC local access is
unlocked at next AC power cycle. iDRAC password reset is enabled
in F2 iDRAC settings menu.
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Jumpers and connectors
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Summary of Contents for PowerEdge C6420
Page 8: ...Figure 1 Supported configurations for PowerEdge C6420 8 Dell EMC PowerEdge C6420 overview ...
Page 16: ...Mechanical overview Figure 10 Mechanical overview 16 Dell EMC PowerEdge C6420 overview ...
Page 17: ...Memory information Figure 11 Memory information Dell EMC PowerEdge C6420 overview 17 ...
Page 18: ...Jumper settings Figure 12 Jumper settings 18 Dell EMC PowerEdge C6420 overview ...
Page 68: ...Figure 17 Installing a sled 68 Installing and removing enclosure components ...
Page 101: ...Figure 48 Removing an expansion card Installing and removing enclosure components 101 ...