Specifications

Chapter 2 Product Overview
14 Reference Manual LittleBoard 735
Jumper Header Definitions
Table 2-3 describes the jumper headers shown in Figure 2-6 on page 13.
Note: Only the jumper headers listed above are populated on the board. Jumpers or shunts use .079"
(2mm) pitch.
Specifications
Physical Specifications
Table 2-4 lists the physical dimensions of the board.
Table 2-3. Jumper Settings
Jumper # Installed Removed/Installed
JP1 – RTC (Real Time
Clock) Reset
Enable (pins 1-2) Disable (Removed) Default
JP2 – Power Management Power Up by S3 (pins 1-2)
Default
Power Up by S5 (pins 2-3)
JP3 – Serial Port 2
RS485 Termination
Enable Termination (pins 1-2) Disable Termination (Removed)
Default
JP4 – Serial Port 1
RS485 Termination
Enable Termination (pins 1-2) Disable Termination (Removed)
Default
JP5 – Fan Voltage Selection Enable +5V (pins 1-2) Enable +12V (pins 2-3) Default
JP6 – Compact Flash
Master/Slave
Enable Slave (pins 1-2) Default
[ATA Master]
Enable Master (pins 2-3) [ATA
Slave]
JP7 – Compact Flash
Voltage Selection
Enable +5V (pins 1-2) Enable +3.3V (pins 2-3) Default
JP8 – LVDS Voltage
Selection
Enable +3.3V (pins 1-2) Default Enable +5V (pins 2-3)
JP9 – Serial Port 4
RS485 Termination
Enable Termination (pins 1-2) Disable Termination (Removed)
Default
JP10 – Serial Port 3
RS485 Termination
Enable Termination (pins 1-2) Disable Termination (Removed)
Default
Table 2-4. Weight and Footprint Dimensions
Item Dimension
NOTE Overall height is measured from the
upper board surface to the highest
permanent component (J10, RJ45
connector) on the upper board surface.
This measurement does not include the
various heatsinks on the board. The
heatsinks could increase this dimension.
Weight 0.280kg. (0.60lbs.)
Height (overall) 16.26mm (0.64")
Width 146mm (5.75")
Length 203mm (8.0")
Thickness 2.36mm (0.093")