How To Remove The Power Distribution Board; Before You Begin - Sun Microsystems Sun Fire V490 Parts Installation And Removal Manual

How to Remove the Power Distribution
Board
It is mechanically feasible to service the power distribution board with the system
installed in the cabinet. However, it is easier to remove the system from the cabinet
and perform this procedure on a workbench. To remove the system from the cabinet,
see "How to Remove the System From the Cabinet" on page

Before You Begin

Complete these tasks:
"How to Power Off the System" on page 22
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"How to Slide the System Out of the Cabinet" on page 25
I
"How to Avoid Electrostatic Discharge" on page 41
I
"How to Remove the Power Supply Access Panel" on page 46
I
"How to Remove a Power Supply" on page 49
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"How to Remove the PCI Access Panel" on page 100
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"How to Remove Fan Tray 1" on page 103
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"How to Remove the FC-AL Data Cable" on page 170
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"How to Remove the System Controller (SC) Card" on page 107
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"How to Remove a PCI Card" on page 112
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"How to Remove the PCI Riser Board" on page 123
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"How to Remove the CPU Access Panel" on page 74
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"How to Remove a CPU/Memory Board" on page 78
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"How to Remove the Centerplane" on page 144
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Note – You must remove both power supplies from the system.
Note – You must remove all PCI cards from the system.
Note – If your system is equipped with two CPU/Memory boards, you must
remove both of them from the system.
Note – Use only the Sun Fire V490 200-240 VAC power distribution board in the
Sun Fire V490 system.
150 Sun Fire V490 Server Parts Installation and Removal Guide • October 2005
33.