17
Installing the Motherboard
F_USB1~3: Front Panel USB headers
The motherboard has four USB ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB connector to connect the front-mounted
ports to the motherboard.
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 USB_FP_P0- USB Port 0 Negative Signal
4 USB_FP_P1- USB Port 1 Negative Signal
5 USB_FP_P0+ USB Port 0 Positive Signal
6 USB_FP_P1+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 NC Not connected
Function
Pin Signal Name
LPT: Onboard parallel port header (optional)
This is a header that can be used to connect to the printer, scanner or other devices.
1 STROBE 14 AFD
2 PD0 15 ERROR
3 PD1 16 INIT
4 PD2 17 SLCTIN
5 PD3 18 Ground
6 PD4 19 Ground
7 PD5 20 Ground
Pin Signal Name Pin Signal Name
8 PD6 21 Ground
9 PD7 22 Ground
10 ACK 23 Ground
11 BUSK 24 Ground
12 PE 25 Ground
13 SLCT 26 Key
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