Xerox 4540 Service Manual - Page 171
Power off the server., Remove the cable management arm., Remove the system controller.
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Off: The DIMM is operating properly. On (amber): The DIMM is faulty and must be replaced. ■ CPU fault LEDs on CPU0 or CPU1: Off: The CPU is operating properly. On (amber): The CPU is faulty and must be replaced. ■ The Battery fault LED: Off: The battery is operating properly. On (amber): The battery is faulty and must be replaced. Note - The CPU fault and DIMM LEDs continue to indicate a failure until the system is powered up. The Battery LED continues to indicate a failure until the service processor is started. To replace the CPU: 1. Power off the server. See Section 3.7.1, "Powering Off the Server" on page 3-10. 2. Remove the cable management arm. See one of the following depending on your system: ■ Sun Fire X4500/X4540 Installation Guide ■ Sun X4500-J Slide Rail Installation Guide (X4500) ■ "Early-Production Slide Rail and CMA Information" on page G-1 (X4500) 3. Remove the system controller. See "To Remove the System Controller (CRU)" on page 3-70. The CPUs are located inside the system controller. Chapter 3 Maintaining the Sun Fire X4500 and X4540 Servers 3-51
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