hp50g change low battery threshold voltage
- From: davoremard <davoremard@xxxxxxxxx>
- Date: Fri, 26 Sep 2008 01:45:08 -0700 (PDT)
HI arm9 HP experts!
I'd like to lower hp50g internal low battery threshold
(the one that displays Lowbat(S) after powering ON)
to appear when battery voltage drops below 4.5V
(currently I get it below 5V)
While running hp50g on 500mAh NiMH batteries I get low
battery warning too early. Few hours after charging it shows
lowbat(S) while the batteries can hold 4.8-4.9V steady even at
CPU load and could run more than a week
of my usual usage.
Checking with btmon program and comparing with connecting a
voltmeter directly to the battery compartment while hp50g is on,
both readings are consistent.
(maybe btmon shows 0.05V less than voltmeter)
I got low battery when btmon shows 4.97V
(while the btmon needle is in battery
"good" area, not yet stepped into "warn"
area).
I'd like to lower hp50g internal low battery threshold
to around 4.5V. Is there some application or at least
Saturn or ARM9 location to
poke the modified voltage threshold value?
Best regards, Davor
.
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