Asus EeeBox EB1501 ION Mini-PC

Complete|Mobile Systems
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Thermals & Acoustics

Thermals & Acoustics
Test State
Temperatures
System Noise
CPU
HDD
GPU
@1m
@0.6m (VESA)
@0.6m
Idle
41°C
30°C
47°C
21~22 dBA
22 dBA
24 dBA
x264 Playback
50°C
33°C
53°C
CPU Load
62°C
31°C
55°C
CPU + GPU Load
73°C
33°C
68°C
23 dBA
24 dBA
25 dBA
Ambient temperature: 22°C.

The EB1501 stayed relatively cool until we used Prime95 to put the CPU on full load. Still with CPU and GPU temperatures of 62°C and 55°C respectively, it wasn't much of a concern. The addition of a GPU load heated up the CPU and GPU by another 12°C. The system's fan, stayed at almost a constant 3050rpm speed throughout testing, only picking up the pace when the GPU temperature surpassed 60°C. Even then, it only increased the system's noise level by 1~2 dBA.

The noise generated by the system was broadband, sounding like a low, soft hiss, rather pleasant compared to most SFFs. It measured about 24 dBA@0.6m from a 45° angle, and 2 dBA less when VESA-mounted, measured from directly in front of the monitor. Overall, it's a suitably quiet nettop, and its unlikely you'll ever experience the fan spin much faster than its idle speed — we had to do a complete CPU and GPU torture test to accomplish that.


EB1501 idle @0.6m.


EB1501 idle, VESA-mounted @0.6m.

SpeedFan Support


SpeedFan correlations.

Surprisingly, we found that the EB1501's fan could be controlled using SpeedFan. In the Advanced configuration menu, look for chip "IT8720F" and change PWM 1 mode to "Software controlled" to enable control using the Speed01 setting. With SpeedFan you can drop the fan speed all the way to zero, or ramp it up to its maximum speed of 5200rpm, though caution obviously should be taken. We suggest keeping the fan spinning fast enough to keep temperatures lower than what we recorded at full load.



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