Re: TI-H: Automatic Power Down

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Automatic Power Down
From: gussie@alaska.net (Grant Stockly)
Date: Wed, 22 Apr 1998 17:28:26 -0700
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org


mask the interrupt in an asm program and shell to ti-os...

>The Automatic Power Down (APD) works by a timer which decrements itself
>something like 200 times/second (or is it 18?). But anyway, every time you
>press a key the counter gets reset. If the counter gets to 0, the calc
>shuts down.
>
>Perhaps somebody could write a TSR for ZShell or some other shell which
>would activate as necessary to reset the counter and thus keep the calc
>turned on.
>
>Maybe it could even monitor the link port, for a remote shutdown feature..
>
>
>On Wed, 22 Apr 1998, Dan Schuette wrote:
>
>> I work for a Physics Prof. who is having a lot of problems with the
>> Automatic Power Down feature of the TI-85s. He has the TIs networked so he
>> can get feedback from his students during lectures, but they have a bad
>> habit of shutting themselves down during interum between use. This has
>> led to a number of crashes in the network.
>>
>> I would greatly appreciate any methods, thoghts, ideas, or guesses about
>> how to shut off the Automatic Power Down. Also any information
>> about how that part of the calculator fuctions would be appreciated.
>>
>> Thanks!
>>
>> Dan Schuette
>> drschuet@midway.uchicago.edu
>>
>>
>>
>
>--
>Greg Hill
>greg-hill@bigfoot.com
>www.comports.com/link