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Author Topic: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?  (Read 33598 times)

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Offline DJ Omnimaga

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #30 on: August 07, 2010, 08:13:16 pm »
Yeah things over here are generally overpriced, mostly due to import fees and hidden taxes. It's much worse in Ontario apparently, though. I heard a TI-83+ costs $150 there. Over here it's $124 at Staples, both with taxes excluded.
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Offline Happybobjr

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #31 on: August 07, 2010, 08:18:38 pm »
i don't think having it at 50 is such a bad idea, as long as we would go with the rechargeable lithium battery.
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Offline alberthrocks

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #32 on: August 07, 2010, 08:53:54 pm »
Oh no, this is going to have AAA replaceable batteries.
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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #33 on: August 07, 2010, 09:51:03 pm »
Voted for 50Mhz. If there isn't much of a price difference between 50Mhz and 20Mhz i see no reason not to use the more powerful processor. I also don't see that using a 50Mhz processor would make much of a difference in battery life vs  the 20Mhz one.
*Edit* AA batteries might actually be a slightly better option, as they are the same price and voltage, but have a longer charge. Just a thought.
« Last Edit: August 07, 2010, 09:52:32 pm by Art_of_camelot »
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Offline DJ Omnimaga

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #34 on: August 07, 2010, 10:06:44 pm »
I agree about AAA batteries. I wouldn't mind the calc being a bit thicker for them. People who want good ones will not have to pay twice the price then. AAA's costs so much compared to AA's, unless you buy them at the dollar store.
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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #35 on: August 07, 2010, 10:15:11 pm »
I agree with the AA battery idea. 50 mhz should not be a problem for AA batteries.
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Offline Netham45

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #36 on: August 07, 2010, 10:15:53 pm »
How 'bout the idea of having the calc able to charge Li-Ion rechargeable batteries while plugged into a computer, or something?
Li-Ion AA/AAA batteries, that is.
« Last Edit: August 07, 2010, 10:16:25 pm by Netham45 »
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Offline JonimusPrime

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #37 on: August 07, 2010, 10:16:49 pm »
Also, do we even know if the eZ80 will be stable when underclocked, without that info it is useless to even think about under-clocking it.
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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #38 on: August 07, 2010, 10:20:59 pm »
I'm voting 20. Those who want a fast calc can get the ARM version. Heck, those who want a faster calc than an 84+ can still use the 20. Of course, if the power consumption with the 50 is still about a 10+ hour life, I don't see much point in going for the 20.

And yeah, AA's FTW.
« Last Edit: August 07, 2010, 10:21:42 pm by willrandship »
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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #39 on: August 07, 2010, 10:22:04 pm »
Quote from: Netham45 on August 07, 2010, 10:15:53 pm
How 'bout the idea of having the calc able to charge Li-Ion rechargeable batteries while plugged into a computer, or something?
Li-Ion AA/AAA batteries, that is.
Yeah, but how would it know if it was the right kind of battery? eg, not try to charge a non-rechargeable.
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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #40 on: August 07, 2010, 10:24:21 pm »
I had to go with 50 mHz. It's like 13.3 times as fast as a TI-84+ if I'm not mistaken.

And AA's would definitely be better than AAA's.
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Offline Netham45

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #41 on: August 07, 2010, 10:26:51 pm »
Either a setting in the OS, or a switch inside the battery pack?

I think you can tell standard from rechargeable through an electrical means, but I don't know how you'd go about detecting nimh/ni cad/li ion


We could always put an internal battery and a crank to charge it. :P
« Last Edit: August 07, 2010, 10:27:29 pm by Netham45 »
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Offline jnesselr

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #42 on: August 07, 2010, 10:31:25 pm »
A setting would be good.  I like that idea.  Maybe a "If you have rechargeable batteries" type thing.
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Offline Builderboy

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #43 on: August 08, 2010, 02:57:47 am »
I voted for 50 with an option to underclock to 20, its a compromise between the power saving people and the speed junkie people :)
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Offline Happybobjr

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Re: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?
« Reply #44 on: August 08, 2010, 09:30:33 am »
i change my vote to D batteries with 50 :D.
then i will last even longer than AAA with 20 :P
just my one cent.
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