Mainboard KX520LE
13
Speaker Header: SPEAK
A speaker cable on your case front panel can be attached to this header. When you reboot the
computer, this speaker will issue a short audible (beep). If there are problems during the Power
On Self-Test, the system will issue an irregular pattern of audible beeps through this speaker.
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.
Front USB Headers: USB1/3
This mainboard provides four onboard USB 1.1/2.0 ports (back panel) that attach to USB
devices. There are two additional USB headers that can be connected by cables to four more
USB ports on the front panel of your case giving you a possible eight USB ports.
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.
Pin
Assignment
Pin
Assignment
1 SPK
2 N/A
SPEAK
3 Ground
4 VCC5
Pin
Assignment
Pin
Assignment
1 VCC
2 VCC
3 -DATA
4 -DATA
5 +DATA
6 +DATA
7 GND
8 GND
USB1/3
9 Key
10
N/A
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.
