SOYO SY-7ISA plus Owner's Manual page 37

Hardware Installation
7. This Motherboard features three built-in audio-stereo ports (labeled
line-in, line-out, and mic jack) convenient to directly plug-in all your
external audio devices. Universal Serial Bus USB1/USB2/(USB3,
USB4)
This Motherboard provides four USB ports for your additional devices.
Plug the USB device jack into the available USB connector USB1 or
USB2.
- Standard device drivers come with the Win98 for commonly used
USB devices.
- With Win95, use the flow UHCI specifications. To use USB devices
under Win95, usually you have to install the device that driver comes
with the USB device you have purchased.
USB3 and 4 are available. To make use of these USB ports, purchase a
USB cable from your dealer. The lay-out of USB3 and 4 is as follows:
(+)Data
(-)Data
Power
(USB4) (USB3)
10
GND
GND
8
6
4
2
9
GND
7
(+)Data
5
(-)Data
3
Power
1
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SY-7ISA+