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Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Chapter 2 Installing the Server
Service Headers and Jumpers
Service Headers and Jumpers
This section includes the following topics:
• Header Location on the Motherboard, page 2-13
• Using the BIOS Recovery Header CN34, page 2-14
• Using the Clear CMOS Header CN14, page 2-16
Header Location on the Motherboard
See Figure 2-5. The headers are shown in red on the motherboard, with PCIe riser 2 removed. The header
pins are shown in the magnified view.
Figure 2-5 Service Header Locations
1 CN34 BIOS Recovery 2 CN14 Clear CMOS
333943
Port 1
Port 0
SYS FAN1
SYS FAN2
SYS FAN3
SYS FAN4
CPU 1
CPU 2
PCIe riser 1
PSU 1 (bottom)
PSU 2 (top)
321
1
2
321