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5. Each Component Function
USB Ports
The BOX-PC is equipped with four USB interface channels.
Table 5.8. USB Connector
C4
C1
D4
D1
Signal name
Pin No.
USB0 Vcc
A1
USB0 -Data
A2
USB0 +Data
A3
USB0 GND
A4
USB2 Vcc
C1
USB2 -Data
C2
USB2 +Data
C3
USB2 GND
C4
CAUTION
-
When installing the Windows2000/XP package versions from USB-CDROM, there are no
note.*1*2 In recovering pre-installation OS, please recover with reference to an appending
recovery procedure document.
-
USB-HDD boot is checking only starting of MS-DOS.*2
-
The total current capacity of four channels of USB connectors is 1 A or less.
Although the maximum current capacity per channel is 500 mA, configure the devices such that the
total current consumption by the four channels does not exceed 1 A.
-
There is apparatus by which current flows backwards from a connection cable to BOXPC at the time
of power supply off of BOXPC among USB apparatus. Since you may be unable to start BOXPC
when such apparatus is connected, please remove USB apparatus and connect again after a power
supply injection. However, please connect again before performing apparatus detection, when using
USB apparatus as a boot device.
*1 Only SP4(or later) is about Windows 2000.
*2 Basic functional operation of a screen display etc is checked. However, no operation of the functions of OS is guaranteed.
64
A4
A1
B4
B1
Signal name
Pin No.
USB1 Vcc
B1
USB1 -Data
B2
USB1 +Data
B3
USB1 GND
B4
USB3 Vcc
D1
USB3 -Data
D2
USB3 +Data
D3
USB3 GND
D4
User's Manual
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