3.5"-SBC-VR1000 - User Guide, Rev. 1.7
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7.17.
Switches and Jumpers
The product has several jumpers which must be properly configured to ensure correct operation.
Figure 30: Jumper Connector
For a three-pin jumper (see Figure 29), the jumper setting is designated ‘‘1-2’’ when the jumper connects pins 1 and 2.
The jumper setting is designated ‘‘2-3’’ when pins 2 and 3 are connected and so on. You will see that one of the lines
surrounding a jumper pin is thick, which indicates pin No.1.
To move a jumper from one position to another, use needle-nose pliers or tweezers to pull the pin cap off the pins
and move it to the desired position.
7.17.1.
EEPROM WP Selection (JP1)
The 2.54 mm pitch "EEPROM Write Protect Selection" jumper (JP1) can be used to update EEPROM firmware.
Figure 31: EEPROM WP Selection JP1
Table 38: Pin Assignment JP1
Jumper 1 Position
Description
Pin 1-2
-
Memory is inhibited
X
Allows normal write
“
X’’ = Jumper set (short) and ‘‘-’’ = jumper not set (open)
1
2
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