Chapter 2 Connecting Peripherals 252.3 USB Connector (CN4)The PCA-6275 CPU card provides one USB (Universal Serial Bus)interface, which give complete plug and play, hot attach/detach for upto 127 external devices.The USB interface complies with USBSpecification Rev. 1.0, and is fuse-protected.The USB interface is accessed through a 10-pin flat-cableconnector, CN4. The adapter cable has a 10-pin connector on one endand a USB connector on the bracket.The USB interface can be disabled in the system BIOS setup.2.4 Parallel Port Connector (CN5)The parallel port is normally used to connect the CPU card to a printer.The PCA-6275 includes an on-board parallel port, accessed through a26-pin flat-cable connector, CN5. The card comes with an adaptercable which lets you use a traditional DB-25 connector. The cable hasa 26-pin connector on one end and a DB-25 connector on the other,mounted on a retaining bracket. The bracket installs at the end of anempty slot in your chassis, giving you access to theconnector.The parallel port is designated as LPT1 and can be disabled orchanged to LPT2 or LPT3 in the system BIOS setup.To install the bracket, find an empty slot in your chassis. Unscrew theplate that covers the end of the slot. Screw in the bracket in place ofthe plate. Next, attach the flat-cable connector to CN5 on the CPUcard. Wire 1 of the cable is red or blue, and the other wires are gray.Make sure that wire 1 corresponds to pin 1 of CN5. Pin 1 is on theupper right side of CN5.
