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Flash Boot Bank Select Header (J8) Hardware Preparation and Installation
MVME55006E Single-Board Computer Installation and Use (6806800A37D)
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1.6.3 Flash Boot Bank Select Header (J8)
A 3-pin planar header selects the boot Flash bank. No jumper or a jumper installed across pins
1-2 selects Flash 0 as the boot bank. A jumper installed across pins 2-3 selects Flash 1 as the
boot bank.
1.6.4 Flash 0 Programming Enable Switch (S3-1)
This switch enables/disables programming of Flash 0 as a means of protecting the contents
from being corrupted. The switch set to OFF disables all Flash 0 programming. The switch set
to ON enables the programming, this is the factory setting.
Figure 1-5 J8 Settings
J8
1
2
3
1
2
3
Boots from Flash device 0
J8
J8
1
2
3
(factory configuration)
Boots from Flash device 0Boots from Flash device 0
Boots from Flash device 1
Figure 1-6 S3-1 Settings
Disables Flash 0 writes
1
ON
S3-1
Enables Flash 0 writes
1
ON