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Tornado

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<strong>Tornado</strong> 2.0<br />

User’s Guide<br />

program first displays a banner page, and then starts a seven-second countdown,<br />

visible on the screen as shown in Figure 2-6. Unless you press any key on the<br />

keyboard within that seven-second period, the boot loader will attempt to proceed<br />

with a default configuration, and will not be able to boot the target with VxWorks.<br />

2.6.2 Entering New Boot Parameters<br />

To interrupt the boot process and provide the correct boot parameters, first power<br />

on (or reset) the target; then stop the boot sequence by pressing any key during the<br />

seven-second countdown. The boot program displays the VxWorks boot prompt:<br />

[VxWorks Boot]:<br />

Figure 2-6<br />

Boot Program: Communication and Boot Banner Display<br />

target<br />

CPU<br />

RS-232<br />

To display the current boot parameters, type p at the boot prompt, as follows:<br />

[VxWorks Boot]: p<br />

A display similar to the following appears; the meaning of each of these<br />

parameters is described in the next section. This example corresponds to the<br />

configuration shown in Figure 2-7. (The p command does not actually display<br />

46

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