#10858 BLOC Not Tri: Rev L motherboard on XO 1.5 hangs
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Thu May 12 13:54:11 EDT 2011
#10858: Rev L motherboard on XO 1.5 hangs
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Reporter: saadia | Owner: wad
Type: defect | Status: assigned
Priority: blocker | Milestone: Not Triaged
Component: not assigned | Version: not specified
Resolution: | Keywords: 1.5
Next_action: diagnose | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
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Comment(by wad):
I would note that both laptops showing the problem have a VID of 0.750V,
not 0.728V.
When I removed PR56 and PR49, and tied PU3.2 to GND and PU3.3 to +3.3V,
the problem stops happening. This implies that it is some instability of
PU3 in switching between the idle Vcore voltage 0.728V and the running
Vcore voltage.
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Ticket URL: <http://dev.laptop.org/ticket/10858#comment:6>
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