Nvidia 680I LT SLI, 680I SLI EZ Control Button, Headers & Jumpers, Onboard Buttons: POWER, RESET, Case Open Warning Header: CASE OPEN, Serial Interface Header: COM1, Attention

Mainboard nForce 680i SLI/

Mainboard nForce 680i LT SLI

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.)CASE OPEN

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.COM1

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-
USB6/7/8/9	5	D+	6	D+
	7	GND	8	GND
	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.

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