NEC POWERMATE ES 5200 - SERVICE, Service Manual

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Disassembly and Reassembly 3-53
Removing the Celeron or Pentium III Processor Cartridge
Remove the Celeron or Pentium III processor cartridge from the system board as
follows.
Note:
NEC CSD recommends that you print out or write
down your current CMOS Setup parameters and store the
information in a safe place before removing your processor.
1. Make sure that Restore AC/Power Loss in the Power Management Setup
menu of the CMOS Setup Utility is set to “Last State” (default) or “Power
On” before removing the processor.
Note:
Verify that Restore AC/Power Loss in the Power
Management Setup menu of the CMOS Setup Utility is set to
“Last State” (default) or “Power On” before replacing any
processor.
2. Let the components within the system cool for about 10 minutes before
removing the processor.
!
WARNING
If the system has been running, any processor or heat sink
already installed on the board will be hot. To avoid the
possibility of a burn, let the components cool for 10 minutes
before continuing with the procedures described here.
3.
Remove the system board to access processor socket.
„
For a small desktop system, see “Removing the System Board — Small
Desktop.”
„
For a desktop system, see “Removing the System Board — Desktop.”
„
For a minitower system, see “Removing the System Board —
Minitower.”
4.
If the cartridge has a cooling fan, label and unplug the cooling fan cable
from its connector on the system board.
5. Remove the retaining bar holding the cartridge to the retention mechanism
by simultaneously pressing out on the tab at each end of the bar while lifting
the bar up (see the figure on the following page).
6.
Grasp each end of the cartridge and carefully pull it out of its socket and
retention mechanism.