5 cmos battery power consumption 3.5, Environmental specifications, 4 supply current – Kontron ETX-LX User Manual

Page 14: 5 cmos battery power consumption

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3 Specifications

Kontron User's Guide ETX®-LX

14

3.4.4

Supply Current

Power-consumption tests were executed under DOS and WindowsXP with 512MB of RAM.

DOS:

CPU Clock

500MHz

Mode

Prompt

Standby

Suspend

Power

Consumption

1.48 A

7,38 W

1,28 A

6,43 W

1,28 A

6,43 W

Windows XP:

CPU Clock

500MHz

Mode

Full Load

Idle

Standby S1

Standby S3

Power

Consumption

1.52 A

7,58 W

1,26 A

6,50 W

0,96 A

5,00 W

0,35 W

3.4.5

CMOS Battery Power Consumption

RTC

Voltage

Current

Winbond W83627HF

2.5V

1.6 µA

3.0V

2.7 µA

CMOS battery power consumption was measured with an ETX®-LX module on a standard Kontron ETX®
evaluation board. The system was turned off and the battery was removed from the evaluation board.
The 2.5 V or 3.0 V of power was supplied from a DC power supply. Do not use these values to calculate the
CMOS battery lifetime.

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