Re: A89: Strange Speed Differences

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Strange Speed Differences
From: Johan Eilert <johei804@student.liu.se>
Date: Tue, 16 Jan 2001 00:04:27 +0100
In-Reply-To: <20010115215511.25739.qmail@web1703.mail.yahoo.com>; from Jeff Flanigan on Mon, Jan 15, 2001
References: <20010115215511.25739.qmail@web1703.mail.yahoo.com>
Reply-To: assembly-89@lists.ticalc.org


On Mon, Jan 15, 2001, Jeff Flanigan wrote:
> 
> I have noticed something strange about both HW verions
> of the TI89 (possibly also the 92+).  When you first
> turn on the calc, for about 1 second the speed is 2
> Mhz lower than it is normally.  After about one second
> it goes back to normal.  But, if you turn off the calc
> w/ the "IDD OFF" self test, it stays at this slow
> speed until it is turned on and off again.  Does
> anyone have an explanation for this? (besides
> interrupts, it's not that... I tested)

The clock speed does not change, the number of waitstates do.

How did you measure the speed?

-- 
Johan Eilert

References:

A89: Strange Speed Differences

From: Jeff Flanigan <propalo@yahoo.com>

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