39
2
Hardware Installation
2
1
ON
2.5.4 Universal Serial Bus Ports
The system board supports USB 2.0/1.1 ports. USB allows data
exchange between your computer and a wide range of simulta-
neously accessible external Plug and Play peripherals.
G4H875-N and G4H875-C are each equipped with four onboard
USB 2.0/1.1 ports (Black) are at locations CN5 (USB 3-4) and
CN6 (USB 1-2) of the system board.
G4H875-B is equipped with two onboard USB ports (USB 1-2) at
location CN6. It is also equipped with a connector at location J12
for connecting additional external USB ports.
To use J12 to connect external USB ports, please refer to the
following description. The USB ports may be mounted on a card-
edge bracket. Install the card-edge bracket to the system chassis
then insert the connector that is attached to the USB port cables
to J12. Make sure pin 1 of the cable connector is aligned with pin
1 of J12.
USB 2
USB 1
"
"
USB
3-4
(J12)
"
1
VCC
-Data
+Data
Ground
Key
VCC
-Data
+Data
Ground
N. C.
210
9
USB 4
USB 3
G4H875-N/C only
G4H875-B only
G4H875-N/C/B