American Megatrends Atlas III PCI User Manual page 20

Step 2 Configure CPU,
Step
1 Lift the lever on the ZIF socket. The empty CPU socket looks like
this.
2 Check for bent pins on the CPU. Gently straighten any bent pins
with pliers. Place the CPU in the middle of the socket. Make sure
that pin 1 of the CPU is aligned with pin 1 of the socket. Make
sure you are properly grounded while handling the CPU.
3 Complete installation by lifting the ZIF lever to the other side of
the socket, as shown below.
Enable External SMI J2 is a 2-pin berg that enables an external SMI source. Place a shorting
bridge on J2 (the factory setting) to enable external SMIs.
Enable Refresh J3 is a 2-pin berg. Always make sure that J3 is OPEN.
J4 Enable PCI SERR# Signal J4 is a two-pin berg that enables the PCI SERR# signal. Always
make sure that J4 is OPEN.
14 Atlas PCI-III PCI Pentium ISA Motherboard User's Guide
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