Electrical Components
D086/D087 4-166 SM
When installing the new controller board
Remove the NVRAM from the old controller board. Then install it on the new controller board
after you replace the controller board. Replace the NVRAM if the NVRAM on the old
controller board is defective.
Make sure you print out the SMC reports ("SP Mode Data" and "Logging Data")
before you replace the NVRAM.
Keep NVRAMs away from any objects that can cause static electricity. Static
electricity can damage NVRAM data.
Make sure the NVRAM is correctly installed on the controller board.
Make sure that the DIP-switch settings on the old controller board are the same for
the new controller board. Do not change the DIP switches on the controller board in
the field.
4.14.14 HDD FAN
1. Controller unit ( p.4-151)
2. HDD fan [A] (
x 2, x 1)
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