Re: TI-H: k questions


[Prev][Next][Index][Thread]

Re: TI-H: k questions




thanks for the information... good to know

- nathan wainwright (StoryTelr@yahoo.com)



---TGaArdvark@aol.com wrote:
>
> 
> > k i was messing around with my TI-83 again, and i remmeber
something i
> > saw on the TICALC.ORG site (think it was that one).  and well i
> > punched in the code to see what ROM date it has, and well i hit the
> > enter key to do a self test???
> > 
> > anyways it went on for about 70seconds, and then i finally turned
the
> > thing off... well a few dowzen vertical lines appeared on the
> > screenand then when i did turn it off, and then on again the
number 11
> > was on the screen.  
> > 
> > 
> > well i turned it off/on again, and teh normal "home" prompt
appeared,
> > i am just wondering, ... well.   was that a bad thing??? i mean
did i
> > just mess the little guy/girl(hey i have no idea what sex a calc is)
> > up???  
> > 
> > i did reset, and swipe the RAM once or twice after that, so should
it
> > be ok???
> 
> This is what the self-test does: First it does a hardware/port check.
> Then a ROM check (I think it just checks checksums).  These 
> are done instantly at the start of the test.  Next is the RAM test.
> You will see a number incrementing in the middle of the screen.
> Each time the number increments, the calculator has overwritten
> and checked the RAM once (excluding video memory).  It
> appears that ascending values (0-255) are written to each byte of
> RAM (0,1,2,...255,0...).  This test will theoretically go on forever
> (or until 65535 or something).  To end it, wait until 3 or 4 and then
> hit [ON].  The next is the screen/video memory test.  The
> calculator will write patterns to the screen and change the
> contrast and stuff.  Press [ENTER] to go through the test
> screens (of which I think there are 16).  You can skip this test
> by pressing [ON].  Last is the keyboard test.  11 will appear
> on the screen, prompting you to press key 11 (consult the
> chart in the programming section of your manual for key-#
> equivalents; for now it starts with [F1] and then in order by
> row).  It will prompt you to press every key excluding
> [ON].  Press [ON] to skip this test.  "OK" will be displayed
> in the center of the screen assuming the test was passed
> successfully.  If an error was located, the test would halt
> and the calculator would display the name of the failed
> device and then the word "FAIL" (I.E., "RAM FAIL").  To
> skip the entire test, press [ON] three times (as you did
> when attempting to shut off your calculator).
> 
> No, you did not hurt your calculator, though you did not help
> it either (and you never got your test results back).  There is
> no way to permanently affect your calculator through software
> (though a brick might work).  The calculator will be restored
> to the way you got it (assuming you did not utilize that brick)
> if you remove all five batteries for a few minutes.  I would
> encourage you to run the test again, just so you know how
> to get through it so you don't end up panicking again.  NOTE:
> Running the self test always erases your memory.
> 

==
A rose is a beautiful thing,
A sunset is a gorgeous sight,
but the one thing that is best of all,
is someone to see it with.

- StoryTelr August 6th, 1998 2:31 am

_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com