Fujitsu D1961 technical manual Annex, Electrical Properties, Loadability for connections and fuses

Models: D1961

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Annex

Annex

Electrical Properties

Loadability for connections and fuses

i

Make sure that the connected devices do not overload the connections.

 

 

 

 

Fuse no.

Fuse

Connection

Maximum loadability

 

1

750 mA

Keyboard port

Not specified

 

 

 

Mouse port

Not specified

 

 

 

Gameport

Not specified

 

 

 

VGA port

Minimum 50 mA

 

2

2000 mA

USB port A

500 mA

 

 

 

USB port B

500 mA

 

 

 

USB port C

500 mA

 

 

 

USB port D

500 mA

 

3

1500 mA / 2000 mA (optional)

USB port E

500 mA

 

 

 

USB port F

500 mA

 

 

 

USB port G

500 mA

 

 

 

USB port H

500 mA

The fuses on this mainboard can be used several times (polyfuses). Shortly after the error state has been eliminated, the fuses reset to the original state.

Mainboard current requirement

You require a Pentium4 power supply nit as per the ATX12V specification for this mainboard. If you do not have a PC from Fujitsu Siemens Computers, make sure that the power supply unit provides the required amperages.

Resource

Voltage

Maximum

Current typ.

 

 

difference

 

ATX12V power supply

+12 V

±5 %

8 A

 

 

 

 

ATX12V power supply

-12 V

±10 %

0.05 A

 

 

 

 

ATX12V power supply

+5.0 V

±5 %

12 A

 

 

 

 

ATX12V power supply

+3.3 V

±5 %

3.7 A

 

 

 

 

Standby voltage of power

+5.0 V

±5 %

2.0 A

supply unit

 

 

 

 

 

 

 

The specifications apply to the onboard components and represent the least favourable case. In addition, at least 350 mA is required for PCI on 3.3 V, and 500 mA per connected device for USB on 5 V.

28 - English

A26361-D1961-Z120-1-7419, edition 2

Page 38
Image 38
Fujitsu D1961 Annex, Electrical Properties, Loadability for connections and fuses, Mainboard current requirement