From: Johannes Wolf (mp2100_at_mail-gw.estec.esa.int)
Date: Fri Sep 10 2004 - 00:15:36 PDT
I was just looking it up again:
the Newt IS providing 3.3V and 5V and 12V for PCMCIA cards.
The limitation is the power available:
3.3 V -> 1.1 W (330 mA)
5 V -> 2.5 W (500 mA)
12 V -> 1.4 W (116 mA)
and these are the total values that have to be shared between
ROM Simm
Internal serial slot (i.e SER-001 if mounted)
and both PCMCIA slots
Cheers
Johannes
> -----Original Message-----
> From: newtontalk-bounce_at_newtontalk.net
> [mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Peter H. Coffin
> Sent: Thursday, September 09, 2004 8:37 PM
> To: newtontalk_at_newtontalk.net
> Subject: Re: [NTLK] 3.3v/5v and newton destruction
> On Thu, Sep 09, 2004 at 01:27:20PM -0400, J.Edward Boniakowski wrote:
> > I just put a card into my newton without realizing it existed in 3.3v
> > and 5v revisions. The driver wasn't installed, so it popped up 'card
> > not recognized'. As my newton still works, does this mean it's a 5v
> > card, or does the newton breakage only occur when the system gets past
> > that point (ie when the driver is loaded and the system tries to access
> > the card)? (It's a smc 2632w fwiw)
> Very few things in life are instant death. Cutting open the core of a
> golf ball doesn't release a poison gas to kill every 3rd grader in a 4
> block radius.
> Similarly, inserting a 3v card isn't instant death for newton and card.
> It's "just" out of spec and liable to push bad amounts of current in bad
> directions at levels that can damage stuff. It's like over-reving an
> engine: 6,001 RPM doesn't mean instant thrown piston rod, but it does
> mean that it's up into the range where the engineers don't trust it
> anymore. You got the card out quickly, and perhaps didn't overstress
> anything *enough* to cause damage.
-- This is the NewtonTalk list - http://www.newtontalk.net/ for all inquiries Official Newton FAQ: http://www.chuma.org/newton/faq/ WikiWikiNewt for all kinds of articles: http://tools.unna.org/wikiwikinewt/
This archive was generated by hypermail 2.1.5 : Fri Sep 10 2004 - 00:30:01 PDT