How To Remove The Power Distribution Board; Before You Begin; What To Do - Sun Microsystems Fire V890 Service Manual

How to Remove the Power Distribution
Board

Before You Begin

Complete these tasks:
"How to Power Off the System" on page 5
■
"How to Open and Remove a Side Door" on page 21
■
"How to Avoid Electrostatic Discharge" on page 26
■
"How to Remove a Power Supply" on page 155
■
supplies from the system)
"How to Remove an I/O Fan Tray" on page 76
■
trays)
"How to Remove a Disk Drive" on page 133
■
from Slot 3)

What to Do

1. Disconnect the following cables from the power distribution board:
For cable connector locations, see
a. Base backplane power cable (P15) from the power distribution board at
connector P15/J8(DISKS)
b. If an expansion backplane is installed, base/expansion cable (P42) from the
power distribution board at connector P42/J7(DISKS)
c. RME power cable (P17) from the power distribution board at connector
P17/J6(RME)
d. I/O signal cable (P25) from the power distribution board at connector
P25/J9(Signals)
e. I/O board power cable (P13) from the power distribution board at connector
P13/J5(I/O BOARD)
198 Sun Fire V890 Server Service Manual • October 2005
(you must remove all power
(you must remove both I/O fan
(you must remove the disk drive
"Cable Connector Locations" on page 212.