[comp.sys.laptops] Another T1000SE hack ?

pwong@batcomputer.tn.cornell.edu (Patrick Wong) (07/05/90)

Hi, netters:

I enjoy very much reading the recent postings about the possibility of
soldering 1Mb of ram to the machine and the info on a $395 2Mb ramcard
clone (By the way, to those who bought that third party ramcard: do you
guys find any hardware compatibility problem other than the mentioned
modem power off problem using pop-up menu procedure ?)

Lately, I have been complaining to myself about the fact that I always
have to go through plugging and unplugging of serial devices as I
change my computing needs (I use an external modem or a mouse).  Although
I do not have software that uses both at the same time, but I really
hate swapping cables.  One obvious solution is to get a A/B switch box.
But that only solves half of the problem because 2 external devices still
cannot co-exist.

Then today as I causually go thru the manual, I get an idea.  T1000SE
can actually have COM1 and COM2 functional at the same! (like in the
case of having an internal modem at COM1 and a mouse at COM2).
Now, since I only have an external modem, I am now thinking of
using the modem connector inside the machine (well, actually it is not
that inside, it is in the modem slot which is accessible by unscrewing
two screws) and connect it with my ext. modem !

Now questions: 1. Where can I find a connector that will connect to
                  the one in the modem slot ?
               2. How can I find out the pin-out info for that connector?

A word of caution: I think some of the pins at that connector are actually
power lines to supply power to an internal modem, and ON/OFF switch
lines for the modem.  I should not mess with these several pins.
I just need to know the usual modem signal lines and also somehow
fool the machine into thinking there is an internal modem.

Any comment ?

Patrick Wong   (pcw@squid.graphics.cornell.edu)

portuesi@tweezers.esd.sgi.com (Michael Portuesi) (07/05/90)

>>>>> On 4 Jul 90 18:03:26 GMT, pwong@batcomputer.tn.cornell.edu (Patrick Wong) said:

> Hi, netters:

> I enjoy very much reading the recent postings about the possibility of
> soldering 1Mb of ram to the machine and the info on a $395 2Mb ramcard
> clone (By the way, to those who bought that third party ramcard: do you
> guys find any hardware compatibility problem other than the mentioned
> modem power off problem using pop-up menu procedure ?)

I have encountered no problems at all with the Apricorn 2 MB card I
have installed in my T1000XE.

> Lately, I have been complaining to myself about the fact that I always
> have to go through plugging and unplugging of serial devices as I
> change my computing needs (I use an external modem or a mouse).

Every now and then, I think about getting a mouse for my machine, but
discard the idea because it means tying up the serial port.

> Then today as I causually go thru the manual, I get an idea.  T1000SE
> can actually have COM1 and COM2 functional at the same! (like in the
> case of having an internal modem at COM1 and a mouse at COM2).
> Now, since I only have an external modem, I am now thinking of
> using the modem connector inside the machine (well, actually it is not
> that inside, it is in the modem slot which is accessible by unscrewing
> two screws) and connect it with my ext. modem !

> Now questions: 1. Where can I find a connector that will connect to
>                   the one in the modem slot ?
>                2. How can I find out the pin-out info for that connector?

I don't know about #1, but an answer may exist for #2.  The Toshiba
support BBS (sorry, don't have the number with me, will post tomorrow)
has a text file for download that gives the pin-outs for the
connectors on their laptop machines.  It may very well have the pinout
for the T1000SE/XE modem port.

I have some text files I downloaded from the Toshiba BBS that I will
post here tomorrow.  Among them are some useful things about battery
life on the T1000, how to replace the batteries on your T1000 with a
high-capacity battery set, a list of third-party products for Toshiba
laptops and the companies which make them.

I also downloaded a groovy utility for all Toshiba laptops called
TOSHUTIL.EXE.  It automatically detects what machine you're running it
on, and offers a set of command-line options specific to your machine
that let you change various things.  The big benefit for T1000 owners
is that it lets you change the font between skinny and bold
characters, and lets you choose a block or underline cursor.  For
T1000SE/XE owners, it lets you permanently TURN OFF the backlight on
the display!  This is great when you're running on batteries, and have
enough external light that you don't need the backlight.  I'll post
that tomorrow as well.
-- 
__
\/  Michael Portuesi   Silicon Graphics, Inc.   portuesi@sgi.com

    "man, this is weak."