Emerson MVME55006E manual Flash Boot Bank Select Header J8, Flash 0 Programming Enable Switch S3-1

Flash Boot Bank Select Header (J8) Hardware Preparation and Installation

1.6.3Flash 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.

Figure 1-5 J8 Settings

	J8		J8		J8
1		1		1
2		2		2
3		3		3
Boots from Flash device 0		Boots from Flash device 0		Boots from Flash device 1
		(factory configuration)

1.6.4Flash 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 1-6 S3-1 Settings

S3-1

1 ON 1

ON

Disables Flash 0 writes Enables Flash 0 writes

MVME55006E Single-Board Computer Installation and Use (6806800A37D) 23