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!
>>
>>