Intel SX220 - Manual (Page 40)

Viglen SX220 User Guide 39
Figure 19: Locking Heatsink Lever
12. Install the fan on the processor heat sink making sure that it is seated flat on the
heatsink.
13. Connect the fan to (A) if it is on the primary processor or to (B) if it is on the
secondary processor.
Figure 20: Processor Fan Connectors