Configuration; Link Functions; Table 2-1 Link Functions; Figure 2-1 Link Positions (Top) - GE IMP2B Hardware Reference Manual

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 -

Figure 2-1 Link Positions (Top)

2.1 Link Functions

Table 2-1 Link Functions

Link
P5
P4
The IMP2B is shipped with no jumpers fitted.
10 IMP2B 3U cPCI Single Board Computer
TIP
Before changing any of the link options, refer to the appropriate section(s) in the following pages.
Pins Function
5-6 Spare
3-4 NVRAM write enable
1-2 Force CPCI 33 MHz operation
5-6 Backplane JTAG AutoWrite enable
3-4 Backplane JTAG buffer enable
1-2 JTAG Scanbridge enable
Link Pins Function
5-6 User Flash write enable
P3 3-4 Boot Flash write enable
1-2 Flash protection password unlock
5-6 Backplane Flash programming
P2 3-4 Use Recovery Flash boot image
1-2 Use Alternate Flash boot image
P1 All Factory test only
Publication No. IMP2B-0HH/5