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Service Headers and Jumpers
This server includes two blocks of headers (J38, J39) that you can jumper for certain service and debug
functions.
Figure 44: Location of Service Header Blocks J38 and J39
Location of header block J39
6
Location of header block J38
1
J39 pin 1 arrow printed on motherboard
7
J38 pin 1 arrow printed on motherboard
2
Boot Cisco IMC from alternate image: J39 pins 1 -
2
8
Clear CMOS: J38 pins 9 - 10
3
Reset Cisco IMC password to default: J39 pins 3 -
4
9
Recover BIOS: J38 pins 11 - 12
4
Reset Cisco IMC to defaults: J39 pins 5 - 6
10
Clear password: J38 pins 13 - 14
5
Cisco APIC M3/L3 Server Installation and Service Guide
85
Maintaining the Server
Service Headers and Jumpers