JETWAY 939TURBOR208 User Manual
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Contents
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13ATX Power Supply connector. This is a new defined 24-pins connector that usuallycomes with ATX case. The ATX Power Supply allows to use soft power on momentaryswitch that connect from the front panel switch to 2-pins Power On jumper pole on themotherboard. When the power switch on the back of the ATX power supply turned on,the full power will not come into the system board until the front panel switch ismomentarily pressed. Press this switch again will turn off the power to the systemboard.** We recommend that you use an ATX 12V Specification 2.0-compliant power supplyunit (PSU) with a minimum of 350W power rating. This type has 24-pin and 4-pinpower plugs.** If you intend to use a PSU with 20-pin and 4-pin power plugs, make sure that the 20-pinpower plug can provide at least 15A on +12V and the power supply unit has a minimumpower rating of 350W. The system may become unstable or may not boot up if thepower is inadequate.(2) ATX 12V Power Connector (4-pin block) : ATX12VThis is a new defined 4-pins connector that usually comes with ATX Power Supply. TheATX Power Supply which fully support Pentium 4 processor must including thisconnector for support extra 12V voltage to maintain system power consumption.Without this connector might cause system unstable because the power supply can notprovide sufficient current for system.(3) PS/2 Mouse & PS/2 Keyboard Connector: PS2KBMSThe connectors for PS/2 keyboard and PS/2 Mouse.(4) USB Port connector: USB0/USB1Pin 1ROW1 ROW224-PinROW1 ROW2Pin 120-PinPIN ROW1 ROW21 3.3V 3.3V2 3.3V -12V3 GND GND4 5V Soft Power On5 GND GND6 5V GND7 GND GND8 Power OK -5V9 +5V (for Soft Logic) +5V10 +12V +5V11 +12V +5V12 +3V GNDPin 1 |
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