Andrew,
It's not difficult to disconnect the BU battery, you can access its plug
under the keyboard. Its connector (3 wires, usually red, white and black)
plugs into the logic board near the front edge of the keyboard opening,
use a small needlenose plier or similar to carefully wiggle the plug
loose. Leave it disconnected several hours, overnight worked for me,
along with the PS and main battery.
Hope this helps,
Dan K
On Wed, 08 Nov 2000 16:36:27 EST [EMAIL PROTECTED] wrote:
>Re: Help! 280c won't wake up from sleep
>[snip]
>2. (see Caution) If resetting the Power Manager chip does not solve the
>problem, reset the code for the Power Manager chip by removing all power
>sources and letting the unit sit for 10 minutes. (Disconnect the AC
>adapter,
>remove the battery and the internal backup battery.) This forces the
>PowerBook Duo to reload the Power Manager code from the system software.
>
>**Caution** Apple-authorized service technicians may remove the internal
>back
>up battery to reset the Power Manager. If you are not an Apple-authorized
>service technician, please note that removing the internal backup battery
>is
>not a simple procedure and is not recommended. If anything is damaged in
>your
>attempt to remove the battery, it will not be covered under warranty."
>
>I have tried Number 1, but have not yet tried 2. Did not know if it would
>make a big difference.
>Andrew
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