DOM MB Diagnosis page
Board ID:
V5 000738
Source:
George Chao
Symptoms:
Failure during HASS. No
longer boots up.
Analyst(s):
G. Przybylski
Analysis Procedure(s):
September 27, Varified boot failure in
refrigerator, at high temperature.
Replaced Y1 on a hunch, 10/25/04. Operated in refrigerator
with temperature cycling and periodic rebooting. No more drop-outs
noted over the range of -55°C to +65°C.
November 10, Mapped low temperature performance from -45C to
-75C. Pass by fiat
Root cause:
Boot failure probably faulty Y1 module.
The cause of the ATWD symptom is uncertain
Mitigation:
Replace faulty part.
Disposition:
September 27, Mainstram;
November 11, pass by fiat provided the board ships to Europe for
integration, to insure it
doesn't become an IceTop board.
Any Other Information:
Traveler September 27
Traveler September 27
Traveler November 10