Openmoko Bug #1024: gsm modem oscillating between registrated / not-registrated
Openmoko Public Trac
bugs at docs.openmoko.org
Sat Jun 13 19:10:02 CEST 2009
#1024: gsm modem oscillating between registrated / not-registrated
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Reporter: mickey@… | Owner: sean_chiang
Type: defect | Status: in_testing
Priority: high | Milestone:
Component: GSM Modem | Version: unspecified
Severity: normal | Resolution:
Keywords: | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: |
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Comment(by PaulFertser):
Dieter Spaar finally found a way to fix recamping.
It's a hardware mod, basically increasing capacitance of C1009 (either
by soldering another one in parallel or desoldering C1009 and putting
a shiny new 22uF 0805 low-ESR cap on its place).
Great thanks to everybody who worked hard to make this happen and who
verified the solution!
Details can be found at
http://lists.openmoko.org/pipermail/hardware/2009-May/001192.html ,
results of suspend time (143hrs) at
http://totalueberwachung.de/blog/2009/06/03/freerunner-deep-sleep-standby-
time .
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1024#comment:56>
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