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User’s Guide

3.5.5 Power Consumption

Power figures are given in the table below for the Module power consumption in various situations. These are

Module power figures. Off-Module power consumption (e.g. display backlight, display power, Carrier board devices)

is not included here. What is included in these power figures: everything on the Module – the TI Cortex A8 SoC,

the DDR3 DRAM, the Module power supplies, the Module LVDS transmitter, the GBE controller and miscellaneous

Module circuits. Power measurement is done with MO-300 SATA Module, mini-PCIe Wi-Fi Module, HDMI Display &

Ethernet cable is present in the Evaluation carrier wherever it is not mentioned. Power figures are less for LVDS

display and it is not shown in the below table. The power figures below given below are subject to change.

State/Activity

CPU

Freq

Module

Power

USB

Enabled?

PCIe+GBE

Enabled?

SATA

Enabled?

Notes

Active state

1.0 GHz

5.9 W

Yes

Linux Desktop

Active state

1.0 GHz

6 W

Yes

2D Graphics demonstration loop

Active state

1.0 GHz

6.5 W

Yes

3D Graphics demonstration loop

Active state

1.0 GHz

TBD

Yes

Stress test-85% CPU Load

Active state

1.0 GHz

4.7 W

Yes

MO-300 SATA, miniPCIe Module

not present & Etherent cable is

not plugged in.

Standby state

TBD

Yes

Deep sleep state

TBD

Yes

Standby state

TBD

Yes

Deep sleep state

TBD

Yes

There are many options, configurable in software. And there are trade-offs: for example, the “Power Save” option

does save power and the response to events such as keyboard and mouse activity can be sluggish. Evaluation

units are available from Kontron to allow users to check out some of these tradeoffs.

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