Xerox 4540 Service Manual - Page 137

3.9 Replaceable Component Procedures Note - Some of the procedures in this section are for customer-replaceable units (CRUs) and some are for field-replaceable units (FRUs), as noted in the procedures and in the following list. FRU components must be replaced only by trained service technicians. Contact your Sun Service representative for assistance with FRU replacements. This section contains procedures for replacing the following components: ■ "Cable Management Arm and Cable Management Bar" on page 3-18 ■ "Slide Rail Documentation" on page 3-18 ■ "Replacing the Power Distribution Board (FRU)" on page 3-18 ■ "To Replace the Power Distribution Board" on page 3-19 ■ "To Replace a Fan Module (CRU)" on page 3-25 ■ "To Replace the Front Indicator Board (FRU)" on page 3-28 ■ "To Replace a Hard Drive (CRU)" on page 3-31 ■ "Replacing a Solid-State Drive (Sun Fire X4540 CRU)" on page 3-35 ■ "Replacing a Power Supply (CRU)" on page 3-40 ■ "To Replace a Battery (CRU)" on page 3-45 ■ "To Replace a CPU (FRU)" on page 3-49 ■ "To Replace the GRASP Board (X4500) (FRU)" on page 3-58 ■ "To Remove Memory Modules (DIMMs) (CRU)" on page 3-61 ■ "To Install Memory Modules (DIMMs) (CRU)" on page 3-64 ■ "To Install a PCI-X or PCIe Card (FRU)" on page 3-65 ■ "To Install the System Enclosure (FRU)" on page 3-67 ■ "Replacing the System Controller (FRU)" on page 3-68 Caution - Before handling components, attach an antistatic wrist strap to bare metal on the chassis (see FIGURE 3-31 for the location). The system's printed circuit boards and disk drives contain components that are extremely sensitive to static electricity. Chapter 3 Maintaining the Sun Fire X4500 and X4540 Servers 3-17