Mainboard KM7025
13
Headers & Jumpers
Serial Interface Header: COM1
This mainboard provides one COM1 header for you to connect an
external serial connector on the back panel of your case. Attaching the
serial connector by a cable (Optional) onto this header, then you can
use the serial connector to attach with a mic, modem or other peripheral
device.
Printer Interface Header: PARALLEL (Optional)
This mainboard provides a PARALLEL header for you connecting an additional printer
connector on your case back panel. Attach the cable of printer connector (Optional) onto this
header, and then you can use the printer connector connecting with a printer.
Front USB Header: USB2/ USB3/ USB4
This mainboard provides four onboard USB 1.1/2.0 ports on the back panel of your case that
attach to USB devices. There are three additional USB headers that can be connected by
cables to six more USB ports on your case front panel giving you a possible ten USB ports.
Pin
Assignment
Pin
Assignment
1 VCC
2 VCC
3 -DATA
4 -DATA
5 +DATA
6 +DATA
7 GND
8 GND
USB2/3/4
9 Key
10
N/A
USB Power On function Header: JP3
USB devices attached to the back panel USB ports can awaken the system from sleep mode.
In order to enable this functionality, you must adjust the jumper caps on JP3 header for +5V or
+5VSB mode depending on which USB port that the USB device is attached to.
Attention
If you are using a USB 2.0 device with Windows 2000/XP, you will
need to install the USB 2.0 driver from the Microsoft
®
website. If you
are using Service pack 1 (or later) for Windows
®
XP, and using
Service pack4 (or later) for Windows
®
2000, you will not have to install
the driver.