RE: TI-H: TI-89


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RE: TI-H: TI-89




but that isn't the way SIMMS work.  You'd have to keep the expander on all
of the time.  you don't need a backup battery since it can't be backuped...

>The trick is, you don't turn it off.  You have a backup battery.  Unless
>it took too much power.
>
>>----------
>>From:  Robert Brack[SMTP:reb@netride.com]
>>Reply To:      ti-hardware@lists.ticalc.org
>>Sent:  Friday, March 20, 1998 12:47 AM
>>To:    ti-hardware@lists.ticalc.org
>>Subject:       Re: TI-H: TI-89
>>
>>
>>Do you know what happens when you turn the computer off?  The memory erases
>>itself!  If you want to do that, you need to keep it powered CONSTANTLY,
>>because when it loses 'tricity, it becomes empty.
>>
>>
>>>Hey, the way that the memory works in all the calculators (except 92
>>>maybe) is all the memory is reset when the batteries are removed.  This
>>>means that this is ram and not flash ram.  Now a cheap way to expand the
>>>memory might be to use the old 1MB 30-pin SIMMs from computers.
>
>> Those
>>>are very easy to find
>
>>at a very cheap price.  If someone had enough time
>>>to make those into a memory expander, then memory expanders would be a
>>>lot easier to build and there wouldn't ever be a problem of finding
>>>memory chips or parts being discontinued.
>>
>>Wait a minute, they don't make those anymore!  Try finding someone who will
>>sell one!
>>
>>