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Motorola MVME2400 User Manual

Page 110

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6-8

Computer Group Literature Center Web Site

Modifying the Environment

6

You may specify a string (filename) which is passed on to the code
being booted. The maximum length of this string is 16 characters.
(Default = null string)

ROM Boot Enable [Y/N] = N?

ROM Boot at power-up only [Y/N] = Y?

ROM Boot Enable search of VMEbus [Y/N] = N?

ROM Boot Abort Delay = 5?

The time in seconds that the ROMboot sequence will delay before
starting the boot. The purpose for the delay is to allow you the option
of stopping the boot by use of the

BREAK

key. The time value is from

0-255 seconds. (Default = 5 seconds)

ROM Boot Direct Starting Address = FFF00000?

The first location tested when PPCBug searches for a ROMboot
module. (Default = $FFF00000)

ROM Boot Direct Ending Address = FFFFFFFC?

The last location tested when PPCBug searches for a ROMboot
module. (Default = $FFFFFFFC)

Y

The ROMboot function is enabled.

N

The ROMboot function is disabled. (Default)

Y

ROMboot is attempted at power-up only. (Default)

N

ROMboot is attempted at any reset.

Y

VMEbus address space, in addition to the usual areas
of memory, will be searched for a ROMboot module .

N

VMEbus address space will not be accessed by
ROMboot. (Default)