AAEON IMBA-880 Rev.B - Manual (Page 31)

I n d u s t r i a l M o t h e r b o a r d I M B A - 8 8 0 R e v . B
Chapter 3 CPU, Heatsink and Fan Installation 3-8
d. Fasten the four screws. First fasten the two screws
(yellow) and then fasten the two screws (red) in
sequence to secure the heatsink in place.
e. Connect the CPU fan cable to the power connector
labeled FAN1 on the board.