Kontron KT965 Series - Manual (Page 22)

KT965 Family
KTD-00699-S Public User Manual Date: 2010-04-15 Page 22 of 90
KT965/Flex
Incl. CRT, PS/2
Kbd/Mse and HD
PSU
Gnd
Current
Probe
Tektronix TDS 7404
3.7 Power Consumption
In order to ensure safe operation of the board, the ATX power supply must monitor the supply voltage and
shut down if the supplies are out of range – refer to the hardware manual for actual power specification.
The KT965/Flex board is powered through the ATX connector and the additional 12V separate supply for
CPU as specified in the ATX specification; besides this the power supplied to the board must be within the
ATX specification.
The requirements to the supply voltages are as follows:
Test system configuration
The following items are used in the test setup:
1. KT965/Flex equipped with CPU, RAM and 12V active cooler if required
2. ATX
PSU
3. CRT, PS/2 keyboard & mouse and HD
4. Tektronix TDS 7404, P6345 probes
5. Fluke Current Probe 80i-100S AC/DC
Note:
The Power consumption of CRT, Fan and HD is not included.
Test results:
The power consumption of the KT965/Flex board is measured under:
1- DOS, idle, mean
2- WindowsXP, Running 3DMARK & CPU BURN, mean
3- WindowsXP, Running 3DMARK & CPU BURN, peak
4- S1, mean
5- S3, mean
6- S4, mean
7- Inrush, peak
Supply Min Max Note
Vcc3 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
+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 KT965/Flex board
5VSB 4.75V 5.25V Should be ±5% for compliance with the ATX specification
ATX supplies