Advantech AIMB-744 Series, User Manual

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AIMB-744 User’s Manual 14
1.8.5 PCI-X slots 3.3V/5V selection (J8)
The AIMB-744 contains a PCI-X 3.3V/5V selection that allows the user
to select the operation voltage either 3.3V or 5V. The default setting is
3.3V which close pin1 and pin2. By closing pin2 and pin3, the operation
voltage change to 5V.
1.8.6 Real/Front panel USB port selection (S1 & S2)
The AIMB-744 contains two USB switches that allow users to select
which USB port they need (USB port 3, 4 or USB port 5, 6). The default
setting is real USB port (USB port 3, 4) and the USB port 1, 2 is always
on.
Table 1.6: PCI-X slots 3.3V/5V selection (J8)
Function Jumper Setting
*3.3V
5V
Table 1.7: USB port 3, 4/ port 5, 6 selection (S1&S2)
Function Switches Setting
Real USB2.0 (USB port
3, 4) *
S1 S2
Front panel USB2.0
(USB port 5, 6)
* default setting
S1 S2
1-2 Closed
2-3 Closed