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use a standard USB connector. The adapter cable has a 5 x 2-pin connec-
tor on one end and a USB connector on the other.
The USB interfaces can be disabled in the system BIOS setup.
2.17 Ethernet configuration
The PCA-6773 is equipped with a high performance 32-bit PCI-bus
Ethernet interface which is fully compliant with IEEE 802.3U 10/
100Mbps CSMA/CD standards. It is supported by all major network
operating systems.
The PCA-6773 supports 3 10/100Mbps Ethernet connections with
onboard RJ-45 connectors(CN18).
2.17.1 100Base-T connector (CN18)
10/100Base-T connects to the PCA-6773 via an adapter cable to an 8-pin
polarized header (CN18).
2.17.2 Network boot
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.
2.18 Power connectors (CN19, FAN1)
2.18.1 Main power connector, +5 V, +12 V (CN19)
Supplies main power to the PCA-6773 (+5 V), and to devices that require
+12 V.
2.18.2 CPU Fan power supply connector (FAN1)
Provides power supply to CPU cooling fan. Only present when +5 V
power is supplied to the board.
2.19 HDD ,PWR LED Connector & WDT output(CN6)
Next, you may want to install external switches to monitor and control the
PCA-6773. These features are optional: install them only if you need
them. CN6 is an 2x3 pin header, 180 degree, male.It provides connections
for watchdog output and power & hard disk indicator.
PCA-6773 User's Manual
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