jetway 917gbar3a Manual De Usuario

2-5-4 PCI Express Slot

This motherboard provides one 16-lane PCI Express slot intended for Graphics Attach, and
two x1 PCI Express Slot. Fully compliant to the PCI Express Base Specification revision
1.0a , support PCI Express VGA card, and other PCI Express device.
The x16 PCI Express Slot also supports Advanced Digital Display II Card (ADD2) for digital
display and TV-out.

2-6 Connectors, Headers

2-6-1 Connectors

(1) Power Connector (24-pin block) : ATXPWR

ATX Power Supply connector. This is a new defined 24-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that connect from the front panel switch to 2-pins Power On jumper pole on the
motherboard. 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 is
momentarily pressed. Press this switch again will turn off the power to the system
board.

** We recommend that you use an ATX 12V Specification 2.0-compliant power supply

unit (PSU) with a minimum of 350W power rating. This type has 24-pin and 4-pin
power plugs.

** If you intend to use a PSU with 20-pin and 4-pin power plugs, make sure that the 20-pin

power plug can provide at least 15A on +12V and the power supply unit has a minimum
power rating of 350W. The system may become unstable or may not boot up if the
power is inadequate.

Pin 1

ROW1 ROW2

24-Pin

ROW1 ROW2

Pin 1

20-Pin

PIN

ROW1 ROW2

1 3.3V

3.3V

2 3.3V

-12V

3 GND

GND

4 5V

Soft Power On

5 GND

GND

6 5V

GND

7 GND

GND

8 Power OK

-5V

9 +5V (for Soft Logic)

+5V

10 +12V

+5V

11 +12V

+5V

12 +3V

GND