Author Topic: Difference between 83+SE & 84+SE (Read 16040 times)

TIfanx1999 · « **on:** October 05, 2007, 03:11:00 pm »

Just wondering if there is any difference between the Ti83+ SE and the TI-84+ SE. I'm considering upgrading from my old TI-83 BE and if there is no or negligible difference between the two SE's I'll probably get the 83+ SE as it should be cheaper

DJ Omnimaga · « **Reply #1 on:** October 05, 2007, 03:15:00 pm »

the 83+SE have 1.54 MB of archive memory and the 84+SE 1.60. The 84+SE also have an USB port (small one) and a clock. However it's a bit slower than the 83+SE, even if it's supposed to be 15 MHz, probably because of the clock

Jon · « **Reply #2 on:** October 05, 2007, 03:39:00 pm »

both have 1.54 MB, i can attest to that, as my 84+ SE reads 1540k available when user archive is empty. The exact number of bytes is 1474560 bytes, or 90 pages of 16384 bytes each. And as for the 84+ SE running slower, this is only true in 15 mhz mode with interrupts enabled, as the interrupt routine at 0038h does a number of USB functions each time it triggers. When governed to 6 mhz, which they are when you are working in the tios, they run at the same speed.

DJ Omnimaga · « **Reply #3 on:** October 05, 2007, 04:14:00 pm »

QuoteBegin-Jon+5 Oct, 2007, 22:39-->

QUOTE (Jon @ 5 Oct, 2007, 22:39)

both have 1.54 MB, i can attest to that, as my 84+ SE reads 1540k available when user archive is empty.

Then Wabbitemu doesn't display archive free very well, because in the rom i got it show it has 1606K of archive and on my real SE it show 1540 when it's empty. I'll have to check with a 83+SE rom if this happen with it too

QuoteBegin-Jon+5 Oct, 2007, 22:39

-->

QUOTE (Jon @ 5 Oct, 2007, 22:39)

The exact number of bytes is 1474560 bytes, or 90 pages of 16384 bytes each.

I thought it would be more 1576960 approximately?
1 KB=1024 bytes, so 1540 KB*1024=1576960 bytes of archive free, meaning at least 96 flash pages. However the total is rounded in KB so it may be 97

QuoteBegin-Jon+5 Oct, 2007, 22:39

-->

QUOTE (Jon @ 5 Oct, 2007, 22:39)

And as for the 84+ SE running slower, this is only true in 15 mhz mode with interrupts enabled, as the interrupt routine at 0038h does a number of USB functions each time it triggers.

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Jon

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Difference between 83+SE & 84+SE

« Reply #4 on: October 05, 2007, 07:19:00 pm »

My mistake. It is indeed 97 pages. The top archive page is 69h and the bottom archive page is 08h. 69h-08h=61h=97

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DJ Omnimaga

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Difference between 83+SE & 84+SE

« Reply #5 on: October 06, 2007, 01:59:00 am »

Yeah at first I was like "hmm did I do something wrong?" then I recalculated and http://omnimaga.dvrdns.org/index.php?showtopic=818

Yes the link lead to an old Omnimaga April fools joke

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rivereye

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Difference between 83+SE & 84+SE

« Reply #6 on: October 06, 2007, 02:50:00 am »

Also, when graphing with the 84+(SE) with OS 2.30 or higher, you will not see any of the vertical asymptotes graphed, though graphing is slower as it is always checking for them.

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JonimusPrime

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Difference between 83+SE & 84+SE

« Reply #7 on: October 06, 2007, 06:15:00 am »

That is I nice feature plus it does the same thing for step graphs.

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Liazon

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Difference between 83+SE & 84+SE

« Reply #8 on: October 06, 2007, 11:20:00 am »

get an 89ti or V200 if you're upgrading. 89ti if you need it for school. An 83+SE from what I've heard is probably one of the best calcs around. Also really durable too. My friend has one and it's unbelievable how much dropping banging, and soda spilling that thing's survived ^^

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JonimusPrime

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Difference between 83+SE & 84+SE

« Reply #9 on: October 06, 2007, 11:54:00 am »

Yeah my 83+se has lived through a lot and I bought it used so I have no clue what it went through before I got it.

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TIfanx1999

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Difference between 83+SE & 84+SE

« Reply #10 on: October 06, 2007, 12:10:00 pm »

well, I already have a ti-89 (older one) so it seems to do just fine

. I just wanted a faster processor for the TI-83 family as it seems to be the most popular platoform for games and such. I am going to be programming for it and it would be nice to have an actual model to test on to see how my programs run on an actual 83+BE vs an 83+ SE or 84+ SE. Also; since both of the SE models have a faster processor decent looking grayscale should be do-able. Thanks for all the input, since the 83+SE and 84+SE have the same mem. and the same processor, Im leaning strongly towards the 83+ SE.

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DJ Omnimaga

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Difference between 83+SE & 84+SE

« Reply #11 on: October 06, 2007, 12:25:00 pm »

QuoteBegin-TheStorm+6 Oct, 2007, 18:54-->

QUOTE (TheStorm @ 6 Oct, 2007, 18:54)

Yeah my 83+se has lived through a lot and I bought it used so I have no clue what it went through before I got it.

this isn't true for the old 83+SEs tho, there was lot of people complaining about their broken SE back then. the ones made in 2003-2004 seemed to be better though, not breaking after 2 years (usually LCD problems). I'm glad mine (bought in early 2002) didn't got any trouble so far

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JonimusPrime

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Difference between 83+SE & 84+SE

« Reply #12 on: October 06, 2007, 12:55:00 pm »

True but I don't think the one I have is that old.
but I was able to get a free 83+ the display is messed up but a getcsc hook should fix it.

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Liazon

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Difference between 83+SE & 84+SE

« Reply #13 on: October 07, 2007, 01:53:00 am »

QuoteBegin-DJ Omnimaga+6 Oct, 2007, 18:25-->

QUOTE (DJ Omnimaga @ 6 Oct, 2007, 18:25)

QuoteBegin-TheStorm+6 Oct, 2007, 18:54-->

QUOTE (TheStorm @ 6 Oct, 2007, 18:54)

Yeah my 83+se has lived through a lot and I bought it used so I have no clue what it went through before I got it.

this isn't true for the old 83+SEs tho, there was lot of people complaining about their broken SE back then. the ones made in 2003-2004 seemed to be better though, not breaking after 2 years (usually LCD problems). I'm glad mine (bought in early 2002) didn't got any trouble so far

lol, LCD driver on 84+(SE) lol

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DJ Omnimaga

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Difference between 83+SE & 84+SE

« Reply #14 on: October 07, 2007, 05:24:00 am »

yeah on new ones as well as new 83+ black models old games are distorted on them, they must have replaced them with a crappier LCD driver. Also some grayscale doesn't look as good on it iirc

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