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17 Chapter 2
2.15.1 100Base-T/1000Base-T connector (CN8, CN9)
100Base-T connections are made via the on-board RJ-45 connector
2.15.2 Network boot (Depends on Ethernet Controller
Gigabit Ethernet only)
The Network Boot feature can be utilized by incorporating the Boot
ROM image files for the appropriate network operating system. The Boot
ROM BIOS files are included in the system BIOS, which is on the utility
CD disc.
2.16 Watchdog timer configuration
An on-board watchdog timer reduces the chance of disruptions while
board working improperly. This is an invaluable protective device for
standalone or unmanned applications. Setup involves one jumper and
running the control software (refer to Appendix A).
2.17 USB connectors (CN31,CN18, CN28)
The board provides up to 6 USB (Universal Serial Bus) ports. This gives
complete Plug and Play, and hot attach/detach for up to 127 external
devices. The USB interfaces comply with USB specification Rev. 2.0
which supports 480Mbps transfer rate, and are fuse protected.
The USB interface is accessed through one 5 x 2-pin flat-cable connec-
tors, CN28, CN31(USB0, 1). You will need an adapter cable if you use a
standard USB connector. The adapter cable has a 5 x 2-pin connector on
one end and a USB connector on the other.
Also, There's one USB2.0 jack on CN9 for convenient connecting USB
device.
The USB interfaces can be disable in the system BIOS setup.
2.18 GPIO (General Purpose Input Output) (CN7)
The board supports 8-bit GPIO through GPIO connector. The 8 digital in-
and out-puts can be programmed to read or control devices, with input or
out- put defined. The default setting is 4 bits input and 4 bits output.