DOM MB V5.1 Diagnosis page

Board ID:

V5.1 001448

Step:

Vendor Firmware Load

Symptoms:

April 19, 2005,  Firmware load failure.

Analyst(s):

G. Przybylski

Analysis Procedure(s):

5/2/05: Measured +/-5V OK. 3.3V, 2.5V, and 1.8V all low. Examined U8 soldering.
No continuity from pad to pin 10 verified.  Soldered down pin 10, restoring 3.3V, 2.5V and 1.8V.
Passes room temperature STF testing.

Root cause:

Faulty soldering of U8.

Mitigation:

Suggest replacement of U8 to insure integrity of U8 footprint solder pads.

Disposition:

Replace U8,  Test and Mainstream

Any Other Information:

Traveler April 19, 2005