Kontron KTQ77-FLEX User Manual download pdf (Page 22)

KTQ77/Flex Users Guide

KTD-N0848-C Page 22

2.6 Power Consumption

In order to ensure safe operation of the board, 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 KTQ77 board is powered through the ATX/BTX connector and

ATX+12V connector. Both connectors must be used in according to the ATX12V PSU standard.

The requirements to the supply voltages are as follows:

Supply

Min

Max

Note

VCC3.3 3.135V 3.465V

Should be ±5% 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 KTQ77 board

5VSB 4.75V 5.25V

Should be ±5% for compliance with the ATX specification

More detailed Static Power Consumption

On the following pages the power consumption of the KTQ77 Board is measured under:

1- DOS, idle, mean

2- Windows7, Running 3DMARK 2005 & BiT 6, mean

3- S1, mean

4- S3, mean

5- S4, mean

The following items were used in the test setup:

Low Power Setup

Standard system configuration equipped with PCI card, Internal graphics, 2x SATA disks, Intel i3

CPU, 2x DIMM 2GB Modules, DP Monitor, Keyboard & Mouse. 1x 1-4GB USB Flash Stick, 1x 1GB

LAN

High Power Setup

Standard system configuration equipped with PCI card, PCIex4, PCIex16, miniPCIe WLAN, 4x

SATA disks, Intel i7 CPU, 4x DIMM 2GB Modules, DP Monitor, Keyboard & Mouse, 3x 1-4GB USB

Flash Stick, 3x 1GB LAN.

Note: The Power consumption of Display and HD are not included.

ATX supplies

KTQ77

PSU

Gnd

Current

Probe

Tektronix DPO 2024

System Specification

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 140 141

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Kontron KTQ77-FLEX User Manual Page 22

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