Kontron KTGM45-mITX Bedienungsanleitung PDF herunterladen (Seite 20)

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101

KTGM45 Users Guide

KTD-N0793-O Page 20

2.6 Power Consumption

In order to ensure safe operation, the ATX12V power supply must monitor the supply voltage and shut down

if the supplies are out of range – refer to the hardware manual for the actual power supply specification.

The KTGM45/Flex board is powered through the ATX/BTX connector and ATX+12V connector. Both

connectors must be used in according to the ATX12V PSU standard.

Optionally single +12V power supply unit can be used via ATX+12V connector when power line requirements

for PCIe card, PCI card and "device on 24-pole plug" is below 7.6A on 3.3V, 5A on 5V, 25W on 3.3V and 5V

in common, and 5A on 12V.

The requirements to the supply voltages are as follows:

Supply Min Max Note

VCC3.3 3.168V 3.432V

Should be ±4% for compliance with the ATX specification

Vcc 4.75V 5.25V

Should be ±5% for compliance with the ATX specification.

Should be minimum 5.00V measured at USB connectors

in order to meet the requirements of USB standard.

+12V 11.4V 12.6V

Should be ±5% for compliance with the ATX specification

–12V –13.2V –10.8V

Should be ±10% for compliance with the ATX specification

-5V -5,50V -4.5V Not required for the KTGM45 boards

5VSB 4.75V 5.25V

Should be ±5% for compliance with the ATX specification

Static Power Consumption

The power consumption of the KTGM45/Flex Board is measured under:

1- DOS, idle, mean

2- WindowsXP, Running 3DMARK 2001 & CPU BURN, mean

3- S1, mean

4- S3, mean

5- S4, mean

The following items were used in the test setup:

1. Low Power Setup: 2.0GHz (Celeron 575) & 1x 1GB Samsung 2Rx8 PC3-10600U-09-00-A0 DDR3 Ram

High Power Setup: 2.53GHz (T9400) Core Duo & 2x 2GB Samsung 2Rx8 PC3-10600U-09-00-A0

DDR3 Ram

2. 12V active cooler (Kontron PN 823132).

3. USB Keyboard/Mouse (Logitech Corded Media Keyboard / Logitech First/Pilot Wheel MSE)

4. TFT (Samsung SyncMaster 953bw)

5. HD (Seagate Barracuda ST380815AS - 7200.10 - 80 GB)

6. ATX PSU (SHG computers - SCP400LN-PL)

7. Tektronix MSO 2024

8. Fluke Current Probe 80i-100S AC/DC

Test setup

Note: The Power consumption of CRT, HD and Fan is not included.

ATX supplies

KTGM45/Flex

PSU

Gnd

Current

Probe

Tektronix MSO 2024

System specification

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