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UPER PIIISCA/PIIISCD/PIIISCE/370SC3/370SCI/370SCD User's Manual
2-2
Processor Installation
When handling the processor package, avoid placing
direct pressure on the label area of the fan.
The following pages cover the installation procedure. You should install the
processor to the motherboard first, then install the motherboard in the chassis,
then the memory and add-on cards, and finally the cables and drivers. Following
the installation procedures in the order they appear in this chapter should elimi-
nate the most common problems encountered when installing a system.
IMPORTANT: Always connect the power cord last and always remove it
before adding, removing or changing any hardware components.
Heat Sink
Follow the instructions that came with your processor or heat sink to
attach a heat sink to the processor. Your heat sink should have a 3-pin
fan, which connects to the FAN1 header. Make sure that good contact is
made between the CPU and the heat sink, particularly with SECC2 Pentium
III OEM packages. Insufficient contact will cause the processor to
overheat, which may crash the system.
URM
Your motherboard has a preinstalled URM (Universal Retention Mecha-
nism, not needed with 370SC3/370SCI/370SCD). A picture of a URM is
shown in Figure 2-1. (This is one of several types - all of which can
support SECC and SECC2 packages.) Before installing your processor,
you must flip the arms of the URM to their upright positions. Some URMs
may have extra caps to be used for Pentium III processors (AMP URMs
do not use these). After the processor is installed in the motherboard,
place one of these caps (if included) on each end of the URM and push
down until they snap into place. These caps are not left/right specific.
Processor
370SC3/370SCI/370SCD:
Your motherboard has an FCPGA type socket, which supports Flip Chip
processors. Lift the lever on the FCPGA socket and install with the notched
corner of the processor oriented with pin 1. Fully seat the processor into
the socket and then close the lever.
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