rec.autos.simulators

80 FEET!!!!  Yes, that is quite long.  Just remember to use a shielded
cable.  

I have used a null modem cable (shielded) that was 60ft with no
problems.

What do you mean by MAKE the cable?  Do you mean you want to take 3 wires
and connect your 2 computers together (with the proper connectors, of
course)?

A Null Modem adapter can be bought at Radio Shack for $3.  Now, an
80 ft shielded 9 pin cable will run bigger bucks.

I'm tring to connect the 2 computers we have to play NASCAR racing. I
want to make the cable myself because the 2 computers are on differnet
floors of the house. I need about 80 feet of cable to reach. Will there
by any signal loss at that length? What is the min. number of wires I
need in the cable? (3 wires is what we use for serial comm. at work)
I would like to use the mouse port (9 pin) to connect them, so what pin
numbers do I use? If anyone has used a null modem cable to play NASCAR
or Indycar, let us know how it worked?
---
 * SLMR 2.1a *

: I'm tring to connect the 2 computers we have to play NASCAR racing. I
: want to make the cable myself because the 2 computers are on differnet
: floors of the house. I need about 80 feet of cable to reach. Will there
: by any signal loss at that length? What is the min. number of wires I
: need in the cable? (3 wires is what we use for serial comm. at work)
: I would like to use the mouse port (9 pin) to connect them, so what pin
: numbers do I use? If anyone has used a null modem cable to play NASCAR
: or Indycar, let us know how it worked?
: ---
:  * SLMR 2.1a *

Off the top of my head, the connections are 2-3 3-2 7-7 which is a
minimum 3 wire, a 7 wire with flow control would be better, certainly
with f1gp, having 7 wires killed the annoying stops while one computer
caught up.
I can get the full pinouts for you if you wish, mail me directly if you
want them, if enough people want, I'll post them.

Good luck.
 --
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: I'm tring to connect the 2 computers we have to play NASCAR racing. I
: want to make the cable myself because the 2 computers are on differnet
: floors of the house. I need about 80 feet of cable to reach. Will there
: by any signal loss at that length? What is the min. number of wires I
: need in the cable? (3 wires is what we use for serial comm. at work)
: I would like to use the mouse port (9 pin) to connect them, so what pin
: numbers do I use? If anyone has used a null modem cable to play NASCAR
: or Indycar, let us know how it worked?

I have done this for ICR and Falcon Gold (not NASCAR though...no time :).
Works great on ICR - 0.07secs delay.
Here are your answers posted in case anyone else is wondering too:
1) No signal loss, I use 100feet of cable btwn 2 floors :)
2) Yep, all you need is three wires: td, rd, signal ground.
3) Use green & yellow for td & rd and black for sig. grnd. just for
   convention sake, not that it matters ;).
   Basically have pin 2 of computer A go to pin 3 of computer B and vice
   versa (this is the null modem connection). Pin 7 is ground and goes
   straight through.
4) It would be *VERY* beneficial to reroute another com port through
   lpt2 (25-pin male usually) instead of using the mouse com port. I
   did the mouse thing for a very short time, it's a pain changing it.
   Same pin numbers (2,3,7) are used with the DB25 connector.
         mode com2: 9600,n,8,1,p
         mode lpt2:=com2

Happy Racing,
 Darrel
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   __&__           | Darrel Cherry
  /     \          | San Jose State Math/Computer Science


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