Sun Microsystems Fire V890 Service Manual page 238

d. If an expansion backplane is installed, base/expansion cable (P42) to the power
distribution board at connector P42/J7(DISKS)
e. Base backplane power cable (P15) to the power distribution board at connector
P15/J8(DISKS)
7. Replace the lower I/O fan tray bracket.
a. Connect the fan status cable (P27) to the connector on the back of the I/O fan
status flex circuit.
b. Place the lower I/O fan bracket in the system against the centerplane.
Ensure that the ribbon cables behind the lower I/O fan bracket remain flat against
the centerplane.
c. Fasten the two Phillips screws that secure the lower I/O fan tray bracket to the
centerplane.
210 Sun Fire V890 Server Service Manual • October 2005