Reasons for Changing the Console Resolution

Normally, the default console resolution is sufficient for most users.
However, you may need to change the default resolution if:

You change the X Windows depth from the default listed in the table, then
you should configure the console depth to match the X Windows depth. 

The monitor does not "sync up" at the default console resolution, then you
need to choose a different console resolution.

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Note  - The monitor must be turned on prior to booting the system in order
for the PGX32 to communicate with it.

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The methods described in this appendix will override any information obtained
via EDID.

output-device Method

It is possible to specify the console resolution of PGX32 card via the
output-device environment variable by using the format screen:rAxBxC, where:

A is the desired horizontal resolution, B is the desired vertical resolution,
and C is the desired refresh rate.

The system will check these values against an internal list of resolutions
(see Table 5 ), and use the corresponding entry as the console resolution.

For example, to use VESA1024x768x75 as the console resolution, type the
following at the ok prompt:

ok setenv output-device screen:r1024x768x75
ok reset

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Note  - The new console resolution will take effect following the reset, and
will hold the resolution information until the output-device variable is
changed manually.


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Reference PGX 32 installation guide Appendix A part number 805-7770