Apple xserve early 2009 User Manual

Xserve (Early 2009) Take Apart — Power Distribution Board Cable 141 2010-06-28
First Steps
Remove:
• Top Cover
Caution: The power 
distribution board 
connectors are very tight 
and can be difficult to 
disconnect.. Use a nylon 
black stick to gently yet 
firmly pry outwards on 
the cable connector while 
depressing the latch 
with your thumb and 
forefinger.
Tools
• ESD wrist strap and 
mat
• Black stick
Power Distribution Board Cable  

Xserve (Early 2009) Take Apart — Power Distribution Board Cable 142 2010-06-28
Removal
1 Disconnect the 
power distribution 
board cable on the 
drive interconnect 
backplane.
2 Disconnect the power 
distribution board 
cable from the power 
distribution board.
3 Remove from the 
Xserve.
Replacement
1 Connect the power 
distribution board 
cable to the power 
distribution board.
2 Connect the power 
distribution board 
cable to the drive 
interconnect 
backplane.  

Xserve (Early 2009) Take Apart — Xserve RAID Card Battery 143 2010-06-28
First Steps
Remove:
• Apple Drive Module
• Power Supply
• Top Cover
• Airflow Duct
• Fan Array
• Power Distribution 
Board Cable
• Xserve RAID Card
• Power Distribution 
Board
Tools
• ESD wrist strap and 
mat
Xserve RAID Card Battery  

Xserve (Early 2009) Take Apart — Xserve RAID Card Battery 144 2010-06-28
Removal
1 Lift the Xserve RAID 
Card battery straight 
up off its three 
mounting posts.
2 Remove the battery 
from the enclosure.
Removal Note: Adhesive 
on the underside of the 
battery holds it in place 
on the enclosure floor.
Replacement
1 Remove the 
protective film 
covering the adhesive 
on the underside of 
battery.
2 Lower the battery 
into place on its three 
mounting posts.
Important: Do not drop, disassemble, crush,...

Xserve (Early 2009) Take Apart — Processor Heat Sink 145 2010-06-28
First Steps
Remove:
• Top Cover
• Airflow Duct
Note: The thermal bond 
between the processor 
and heat sink requires 
thermal grease. You must 
replace the thermal 
grease every time your 
remove the processor and 
processor heat sink.
Tools
• ESD wrist strap and 
mat
• Alcohol wipes
• Thermal grease
• 3-mm Hex wrench
Processor Heat Sink  

Xserve (Early 2009) Take Apart — Processor Heat Sink 146 2010-06-28
Removal
1 Loosen the four 
captive screws 
securing the heat sink 
to the processor.
2 Pull the connector, 
not the cable, to 
disconnect the sensor 
cable from the logic 
board.
Caution: Each heat sink 
is connected to the logic 
board by a small 2-pin 
thermal sensor cable. 
Lifting the heat sink too 
quickly can damage 
the cable or connector. 
Because of the tight 
thermal bond between 
the processor and the heat 
sink, be cautious...

Xserve (Early 2009) Take Apart — Processor Heat Sink 147 2010-06-28
3 Handle the heat sink 
from the side slotted 
sides, not the smooth 
sides. Grasping from 
the smooth sides can 
compress the ribs 
causing permanent 
damage.
4 Lift the heat sink 
straight up and out of 
the enclosure.
5 Gently twist the 
processor and heat 
sink in opposite 
directions.
Important: Hold the 
processor by three 
corners when removing 
or replacing the processor. 
Do not touch the gold 
pins on the processor or...

Xserve (Early 2009) Take Apart — Processor Heat Sink 148 2010-06-28
Replacement
1 Always hold the 
processor by three 
corners.
2 Clean off any 
existing thermal 
grease on the heat 
sink and processor 
using alcohol wipes 
provided with the 
replacement part.
3 Using the syringe, 
apply 0.1 cc of 
thermal grease to the 
top surface of the 
processor.
4 Do not apply 
more grease than 
recommended. Do 
not allow grease to 
come in contact with 
processor frame or 
processor connectors.
5 Reinstall...

Xserve (Early 2009) Take Apart — Processor 149 2010-06-28
First Steps
Remove:
• Top Cover
• Airflow Duct
• Processor Heat Sink
Note: The thermal bond 
between the processor 
and heat sink requires 
thermal grease. You must 
replace the thermal grease 
every time your remove 
the processor heat sink
Tools
• ESD wrist strap and 
mat
• Alcohol wipe
• Thermal grease
• CPU socket cover
Processor
Note: This procedure applies to the Xserve (Early 2009) single and dual-processor 
configurations.
Important:...

Xserve (Early 2009) Take Apart — Processor 150 2010-06-28
Removal
1 Carefully remove the 
processor from the 
heat sink by twisting 
the heat sink and 
processor in opposite 
directions.
Important: Place the CPU 
socket cover over the 
processor slot on the logic 
board after processor is 
removed.
2 Hold the processor by 
the three corners. Be 
extremely careful not 
to touch the gold pins 
on the bottom of the 
processor. 
3 Gently remove the 
processor bracket 
from the processor.
Important: Do not...