Nvidia 680I LT SLI - Manual (Page 19)

Mainboard nForce 680i SLI/
Mainboard nForce 680i LT SLI
15
CASE OPEN
COM1
EZ Control Button
Onboard Buttons: POWER, RESET
These mainboard provide one Power Switch and one Reset Switch
buttons for your convenience to turn on or restart your system. If
pressing one of them, then you can start your computer easily before
the mainboard is set into the case.
Headers & Jumpers
Case Open Warning Header: CASE OPEN
This header is used to warn the user when the computer case has been
previously opened. Please connect the header with a cable to your case
directly. (Make sure that your computer case provides this “case open”
cable.)
Serial Interface Header: COM1
These mainboards provide 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: USB6/7, USB8/9
These mainboards provide six (or four) onboard USB 1.1/2.0 ports on the 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 ten (or
eight) USB ports.
《 NOTE: the nForce 680i LT SLI supports four onboard USB 2.0/1.1 ports on
the back panel. 》
Pin Assignment Pin Assignment
1 5V_Dual 2 5V_Dual
3 D- 4 D-
5 D+ 6 D+
7 GND 8 GND
USB6/7/8/9
9 Key 10 N/C
Attention
If you are using a USB 2.0 device with Windows ® XP, you will need to
install the USB 2.0 driver from the Microsoft ® website. If you are using
Service pack 1 (or higher) for Windows ® XP, you will not have to install the
driver.