Nettop Platform for 2008 System Design White Paper

Improving System Thermal Performance

28 White Paper

Figure 9 Case study #1: PSU Fan (A) + System Fan (B)

Figure 10 Results of Two Chassis Tested Using Same Heatsink on Processor

NOTE: This figure shows the impact of PSU fan (A) and system fan (B) placements at

back panel on the thermal boundary conditions.

PSU

HDD

ODD

Bay

PSU Fan (A): 80mm

* Covering Heatsink

PSU Fan (A): 60mm

* 30mm off-center from Heatsink

Note:

System Fan (B): 80 mm

Effective airflow at range

100~130LFM across processor

heatsink with only PSU Fan.

Effective Fans

Ineffective Fans