DOM MB V5 Diagnosis page

Board ID:

V5 000689

Source:

Azriel Goldschmidt

Symptoms:

August 29, Boot failure, at elevated temperature
August 30, ATWD A Channel 2 Baseline Jumps when cold

Analyst(s):

G. Przybylski

Analysis Procedure(s):

August 29, Assume this one is fixed by the new CPLD firmware, though oscillator is a possibility.
August 30, Map out low temperature performance profile from -40°C to -75°C

Root cause:

Boot race
Cause of Baseline problem is uncertain

Mitigation:

After firmware upgrade, Pass by fiat.

Disposition:

Mainstram with restriction that the board be integrated in Europe to insure it cannot become an IceTop module.

Any Other Information:

Traveler August 30
Traveler August 31