10 IMP2B 3U cPCI Single Board Computer
Publication No. IMP2B-0HH/5
2 •
Configuration
The IMP2B is delivered with push-on jumpers, but for rugged or military
applications, use optional zero Ohm resistors.
This manual refers to link settings as “In” or “Out”. Meanings are as follows:
In = jumper fitted -
Out = jumper not fitted -
TIP
Before changing any of the link options, refer to the appropriate section(s) in the following pages.
Figure 2-1 Link Positions (Top)
2.1 Link Functions
Table 2-1 Link Functions
Link Pins Function
Link Pins Function
P5
5-6
Spare
P3
5-6
User Flash write enable
3-4
NVRAM write enable
3-4
Boot Flash write enable
1-2
Force CPCI 33 MHz operation
1-2
Flash protection password unlock
P4
5-6
Backplane JTAG AutoWrite enable
P2
5-6
Backplane Flash programming
3-4
Backplane JTAG buffer enable
3-4
Use Recovery Flash boot image
1-2
JTAG Scanbridge enable
1-2
Use Alternate Flash boot image
P1
All
Factory test only
The IMP2B is shipped with no jumpers fitted.