12 IMP2B 3U cPCI Single Board Computer
Publication No. IMP2B-0HH/5
2.5 Backplane Flash Programming Link (P2 5-6)
This link holds the IMP2B’s processor in reset, allowing another processor card to
program the IMP2B’s Flash across the CompactPCI backplane. This is for use during
production programming only.
Table 2-4 Link P2 5-6
Link Function
Out
Normal operation
In
Backplane Flash Programming mode
2.6 Flash Protection Password Unlock Link (P3 1-2)
Fitting a jumper across this link allows software to read the password used to
disable the persistent mode sector protection (which remains unchanged following a
reset or a power-cycle). See the
Not fitting a jumper prevents the software from altering any previously configured
sector protection.
Table 2-5 Link P3 1-2
Link Meaning
Out
Flash sector protection cannot be altered
In
Flash sector protection can be altered