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Sun Fire V20z and Sun Fire V40z Servers—User Guide • March 2005
4.5.8 Power Supplies and Power-Supply Cage Assembly 4–37
4.5.8.1 Replacing an Individual Power Supply 4–37
4.5.8.2 Replacing a Power-Supply Cage Assembly 4–39
4.5.9 Memory Voltage-Regulator Modules 4–41
4.5.9.1 Replacing a Memory VRM on the Motherboard 4–41
4.5.9.2 Replacing a Memory VRM on the CPU Card 4–42
4.5.10 CPU Voltage-Regulator Modules 4–44
4.5.10.1 Before You Start 4–44
4.5.10.2 Replacing a CPU VRM on the Motherboard 4–44
4.5.10.3 Replacing a CPU VRM on the CPU Card 4–47
4.5.11 Memory Modules 4–49
4.5.11.1 Memory Module Population Rules 4–49
4.5.11.2 Replacing a Memory Module on the Motherboard 4–51
4.5.11.3 Replacing a Memory Module on the CPU Card 4–52
4.5.12 CPUs and Heatsinks 4–53
4.5.12.1 Replacing a CPU on the Motherboard 4–54
4.5.12.2 Replacing a CPU on the Optional CPU Card 4–58
4.5.13 System Battery 4–63
4.5.14 Cable Kit 4–65
4.5.14.1 Remove System Components 4–65
4.5.14.2 Remove and Replace the Cables 4–68
4.5.14.3 Re-install the Components 4–73
4.5.15 Super FRU 4–76
4.6 Sun Fire V40z Indicators, Switches and Jumpers 4–78
4.6.1 Sun Fire V40z Motherboard and CPU Card 4–78
4.6.2 Clear-CMOS Jumper 4–80
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