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Programmable Configuration Data
MVME7100ET Single Board Computer Programmer’s Reference (6806800K88B)
71
A.5
What Happens if VPD Information is Corrupted
If the VPD information becomes corrupted, the following occurs:
A warning message is displayed in the startup banner.
The firmware ignores the VPD contents and attempts to acquire information from other
sources.
Some device drivers will not work.
Some diagnostic tests will fail.
The board will run much slower than usual.
A.6
How to Fix Corrupted VPD Information
If you encounter corrupted VPD information, use the following method to fix the corrupted
data:
The firmware is designed to reach the prompt with bad VPD.
Use the
vpdEdit
command to fix the VPD.
A.7
What if Your Board Has the Wrong VPD
If your board has the wrong VPD information, the following occurs:
No warning message is displayed.
Incorrect VPD information is seen as correct by the firmware.
The board may hang during startup (no-start condition).
The board may be very unstable if it reaches the prompt.
Device drivers, diagnostic tests, and firmware commands may hang or fail in unexpected
ways.
Summary of Contents for MVME7100ET
Page 1: ...MVME7100ET Single Board Computer Programmer s Reference P N 6806800K88B June 2014 ...
Page 10: ...MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 10 List of Figures ...
Page 24: ...Memory Maps MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 24 ...
Page 50: ...Register Descriptions MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 50 ...
Page 96: ...Related Documentation MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 96 ...
Page 97: ......