EPIA-M840 Operating Guide
July 27, 2010
- 9 -
Version 1.02
Power consumption
Power consumption tests were performed on the VIA EPIA-M840 for both processor options. The following tables
are a comprehensive breakdown of the voltage, amp and wattage values while running common system
applications.
VIA
EPIA-M840
1.6
GH
Z
(ATX)
A. Playing DVD – Power DVD 5.0
Measured Voltage
Measure Amp
Watts
Main Board +3.3V
3.328
1.055
3.511
Main Board +5V
5.063
1.808
9.154
Main Board 5VSB
4.954
0.106
0.525
Main Board +12V
12.056
0.172
2.074
Total Power Consumption
15.264
B. Playing MP3 – Media Player
Measured Voltage
Measure Amp
Watts
Main Board +3.3V
3.329
1.057
3.519
Main Board +5V
5.060
2.122
10.737
Main Board 5VSB
4.955
0.105
0.520
Main Board +12V
12.062
0.172
2.075
Total Power Consumption
16.851
C. Running Network Application – Files Copy (VT6130-1)
Measured Voltage
Measure Amp
Watts
Main Board +3.3V
3.332
1.141
3.802
Main Board +5V
5.071
1.556
7.890
Main Board 5VSB
4.959
0.105
0.521
Main Board +12V
12.054
0.174
2.097
Total Power Consumption
14.310
D. Running Network Application – Files Copy (VT6130-2)
Measured Voltage
Measure Amp
Watts
Main Board +3.3V
3.330
1.144
3.810
Main Board +5V
5.070
1.551
7.864
Main Board 5VSB
4.959
0.104
0.516
Main Board +12V
12.052
0.177
2.133
Total Power Consumption
14.323
