Chapter 2
2-20
Front USB Connectors: JUSB1
Depending on the model you have purchased, your mainboard could
provide ONE USB (Universal Serial Bus) pin header that allow you to connect
optional USB ports for front panel.
USB 1.1:
The 645E Max2 series mainboard comes with one standard USB 2.0 pin
header JUSB1 that is compliant to Intel
®
I/O Connectivity Design Guide.
USB 2.0 technology increases data transfer rate up to a maximum through-
put of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for
connecting high-speed USB interface peripherals such as USB HDD, digital
cameras, MP3 players, printers, modems and the like. It is not recom-
mended to connect low-speed USB legacy keyboard and mouse to the USB
2.0 ports. You should connect the USB legacy devices to the USB rear
ports.
Pin Description Pin Description
1 USBPWR 2 USBPWR
3 USBP2- 4 USBP3-
5 USBP2+ 6 USBP3+
7 GND 8 GND
9 NC 10 USBOC
JUSB1 Pin Definition
1
9
2
10
JUSB1
(USB 2.0 / Intel spec)
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