Jumper Header Definitions; Table 2-3. Jumper Settings - Ampro LittleBoard 735 Reference Manual

Chapter 2

Jumper Header Definitions

Table 2-3 describes the jumper headers shown in

Table 2-3. Jumper Settings

Jumper #
JP1 – RTC (Real Time
Clock) Reset
JP2 – Power Management
JP3 – Serial Port 2
RS485 Termination
JP4 – Serial Port 1
RS485 Termination
JP5 – Fan Voltage Selection
JP6 – Compact Flash
Master/Slave
JP7 – Compact Flash
Voltage Selection
JP8 – LVDS Voltage
Selection
JP9 – Serial Port 4
RS485 Termination
JP10 – Serial Port 3
RS485 Termination
Note: Only the jumper headers listed above are populated on the board. Jumpers or shunts use .079"
(2mm) pitch.
LittleBoard 735
Figure 2-7.
Installed
Enable (pins 1-2)
Power Up by S3 (pins 1-2)
Default
Enable Termination (pins 1-2)
Enable Termination (pins 1-2)
Enable +5V (pins 1-2) Default
Enable Slave (pins 1-2) Default
[ATA Master]
Enable +5V (pins 1-2)
Enable +3.3V (pins 1-2) Default
Enable Termination (pins 1-2)
Enable Termination (pins 1-2)
Reference Manual
Product Overview
Removed/Installed
Disable (Removed) Default
Power Up by S5 (pins 2-3)
Disable Termination (Removed)
Default
Disable Termination (Removed)
Default
Enable +12V (pins 2-3)
Enable Master (pins 2-3)
[ATA Slave]
Enable +3.3V (pins 2-3) Default
Enable +5V (pins 2-3)
Disable Termination (Removed)
Default
Disable Termination (Removed)
Default
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