Maintaining the Server
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
1
Location of header block J38
2
J38 pin 1 arrow printed on motherboard
3
Clear CMOS: J38 pins 9 - 10
4
Recover BIOS: J38 pins 11 - 12
5
Clear password: J38 pins 13 - 14
6
Location of header block J39
7
J39 pin 1 arrow printed on motherboard
8
Boot Cisco IMC from alternate image: J39 pins 1 -
2
9
Reset Cisco IMC password to default: J39 pins 3 -
4
10
Reset Cisco IMC to defaults: J39 pins 5 - 6
Cisco APIC M3/L3 Server Installation and Service Guide
Service Headers and Jumpers
85