2-11
Hardware Setup
USB Connectors
The mainboard provides an OHCI (Open Host Controller Interface) Universal
Serial Bus root for attaching USB devices such as keyboard, mouse or other USB-
compatible devices. You can plug the USB device directly into the connector.
USB Ports
1 2 3 4
5 6 7 8
PIN SIGNAL DESCRIPTION
1 VCC +5V
2 -Data 0 Negative Data Channel 0
3 +Data0 Positive Data Channel 0
4 GND Ground
5 VCC +5V
6 -Data 1 Negative Data Channel 1
7 +Data 1 Positive Data Channel 1
8 GND Ground
USB Port Description
VGA Connector (for 945G only)
The mainboard provides a DB 15-pin female connector to connect a VGA
monitor.
VGA Connector
(DB 15-pin)
1
5
11
15
Pin Signal Description Pin Signal Description
1 RED 2 GREEN
3 BLUE 4 N/C
5 GND 6 GND
7 GND 8 GND
9 +5V 10 GND
11 N/C 12 SDA
13 Horizontal Sync 14 Vertical Sync
15 SCL
IEEE 1394 Port (optional)
There is one 1394 port on the back panel providing the connection for 1394
devices.
1394 port