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Chapter 2
Product Overview
14 Reference
Manual
LittleBoard
800
LED Definitions
Tables 2-3 and 2-4 provide the LED colors and definitions for the Ethernet ports, Port 1 (J23) and
Port 2 (J10) located on the LittleBoard 800. Refer to Figure 2-6.
Table 2-3. Ethernet Port 1 (J23) LED Indicators
Indicator
Definition
Ethernet
Link/Activity
LED
Link/Activity LED – This yellow LED is the activity/link
indicator and provides the status of Ethernet port 1 (J23).
•
A
steady On
LED indicates a link is established
•
A
flashing
LED indicates active data transfers
Ethernet
Speed LED
Speed LED – This green LED is the Speed indictor and
indicates
transmit or receive speed of
Ethernet port 1 (J23).
•
A
steady
Off
LED shows the port at 10BaseT speed
•
A
steady
On
LED shows the port at 100BaseT speed
Table 2-4. Ethernet Port 2 (J10) LED Indicators
Indicator
Definition
Ethernet
Link/Activity
LED
Link/Activity LED – This yellow LED is the activity/link indicator
and provides the status of Ethernet port 2 (J10).
•
A
steady On
LED indicates a link is established
•
A
flashing
LED indicates active data transfers
Ethernet
Speed LED
Speed LED – This green LED is the Speed indictor and indicates
transmit or receive speed of Ethernet port 2 (J10).
•
A
steady
On
LED indicates the port is at 10/100BaseT speed
•
A
steady
Off
LED indicates the port is at 1000BaseT speed
Jumper Definitions
Table 2-5 describes the jumpers shown in Figure 2-7.
Table 2-5. Jumper Settings
Jumper #
Installed
Removed/Installed
JP1 – LVDS Voltage Select
3.3V (pins 1-2)
5V (pins 2-3)
JP2 – CompactFlash
Master/Slave
Enable Master (pins 1-2)
Enable Slave (pins 2-3)
Default
JP3 – CompactFlash
Voltage Selection
5V (pins 1-2)
3.3V (pins 2-3)
JP4 – Serial Port 1
RS485 Termination
Enable Termination (pins 1-2)
Disable Termination (Removed)
Default
JP5 – Serial Port 2
RS485 Termination
Enable Termination (pins 1-2)
Disable Termination (Removed)
Default
JP6 – Serial Port 3
RS485 Termination
Enable Termination (pins 1-2)
Disable Termination (Removed)
Default
JP7 – Serial Port 4
RS485 Termination
Enable Termination (pins 1-2)
Disable Termination (Removed)
Default
JP19 – CMOS Normal/Clear
Clear CMOS (pins 1-2)
Normal (Removed)
Default
Note:
Only the jumpers listed above are populated on the board. Jumpers or shunts use 2mm spacing.
Summary of Contents for LittleBoard 800
Page 1: ...LittleBoard 800 Single Board Computer Reference Manual P N 5001743A Revision A...
Page 26: ...Chapter 2 Product Overview 20 Reference Manual LittleBoard 800...
Page 82: ...Chapter 4 BIOS Setup 76 Reference Manual LittleBoard 800...
Page 84: ...Appendix A Technical Support 78 Reference Manual LittleBoard 800...
Page 90: ...Appendix C Connector Part Numbers 84 Reference Manual LittleBoard 800...
Page 94: ...Index LittleBoard 800 Reference Manual 88...
Page 95: ......
Page 96: ......