TYAN S1837 User Manual page 29

On both sides of the SECC2 CPU reside the lower tabs of the aluminum heat
sink and the bottom corners of the plastic CPU enclosure (see Figure 2-16).
These tabs and corners should fit into the retention braces.
Warning: DO NOT first screw the retention braces onto the motherboard by
! ! ! ! !
themselves. If you do, you will have difficulties inserting the CPU into the
retention braces and CPU slot.
important!
S1837 Thunderbolt
Pentium II
Figure 2-15
SECC2 Pentium II
Lower Tabs
Enclosure
Corners
Figure 2-16
29