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  HOW DO I CONNECT MY OLD GARMIN GPS230 TO A LAPTOP

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Author Topic:   HOW DO I CONNECT MY OLD GARMIN GPS230 TO A LAPTOP
JJ MACKAY posted 05-20-2010 02:16 PM ET (US)   Profile for JJ MACKAY   Send Email to JJ MACKAY  
Hi again me again with daft questions,my old garmin 230 as you know is in black and white but I have bought a program for a laptop which acts as the gps controler and screen in some way, but the question is how to connect them up together the guy told me, "You will need a 12V input, nnV output power supply for the laptop" and as you know Im as thick as two short planks these days. So if any one can help feel free to say what you want.
By the way did any look at the pictures?
Thats it for now,thank you for reading.
..JJ..
fishgutz posted 05-20-2010 07:46 PM ET (US)     Profile for fishgutz  Send Email to fishgutz     
Not sure what exactly you're looking for. I'm not familiar with that model of GPS but here is a good start. I've bought several cables from them. Cheap and they work.
http://www.gpscity.com/cables
fishgutz posted 05-21-2010 11:14 AM ET (US)     Profile for fishgutz  Send Email to fishgutz     
Oh, one more thing. I got cables to hook up my Garmin GPSMAP76 and Etrex Legend to my computer. I needed two cords each and an adapter. The units came with cords for hooking it up to a computer using a 9 pin connector. Few computers use 9 pin connectors anymore. I had to purchase a 9 pin to USB adaptor and then plug a USB cable (like a printer would use) to connect the adapter to the computer. It all worked very slick. If you have any cables that came with your unit, this might be the cable you need: http://www.gpscity.com/gps-city-serial-to-usb-port-17in-adapter-for-pc. html
You may have to go to Garmins website and first upload any updates to your unit. This will also make your computer recognize the GPS unit. Then go from there for any other uses you have.
fishgutz posted 05-21-2010 11:18 AM ET (US)     Profile for fishgutz  Send Email to fishgutz     
And another thing, sorry. Here is another a good site for cables and adapters that I've used.
http://www.cablestogo.com/
I even bought HDMI cables and a 15 foot long monitor cable for hooking up my computer to my TV from them.
RLSmith posted 05-23-2010 02:20 PM ET (US)     Profile for RLSmith  Send Email to RLSmith     
If your objective is to connect your Garmin GPSMAP 230 to your laptop to load maps, apply firmware updates, or run other software while near an A/C outlet, the proper cable is the A/C PC adapter Part 010-10275-00. Your GPS might have originally shipped with this cable.

http://shop.garmin.com/accessory.jsp?sku=010%2D10275%2D00

I purchased such a cable for my Garmin GPSMAP 168 from an alternate source (can't remember) that was much cheaper. It is an authentic Garmin cable. Be sure your laptop supports serial port connections, many new laptops do not.

If your objective is to use your laptop when away from an A/C outlet, you will need an alternate method to power the GPS while simultaneously communicating with the laptop. Garmin has both a vehicle adapter (cigarette lighter) and bare cables. I don't think a laptop will supply enough current over a serial port to power a GPS.

DavidBrent posted 05-23-2010 11:22 PM ET (US)     Profile for DavidBrent  Send Email to DavidBrent     
Many new laptops do not have a serial port, but you can purchase a 9-pin serial to USB port for ~$20 from any electronics retailer. I previously used one to transfer data from my Garmin eTrex GPS. I don't think that you would need anything else.
JJ MACKAY posted 05-24-2010 08:20 AM ET (US)     Profile for JJ MACKAY  Send Email to JJ MACKAY     

What I would like to do is to rig the GARMIM GPSMAP 230 up to a laptop computer in the boat. I can power the laptop and I can power the GARMAN, but I cant join the two together I need a cable of some sort.

There are two ports on the GPS one is a bcn for the antenna the other is a round seven pin din.
On the cable there is a red and black for power and five other wires, there are no plugs or fittings other than an in line fuse, and I don't have a clue.

I was given a computer program for my birthday (65th) which will make reading the gps off the laptop a lot better.

Ive looked at a lot of sites for conections and cant find any so it looks like i'm back with the old black and white 4x6 screen.
..JJ..

JJ MACKAY posted 05-24-2010 08:29 AM ET (US)     Profile for JJ MACKAY  Send Email to JJ MACKAY     
Yep its me back again to say a big thank you to
FISHGUTZ.
R L SMITH.
DAVID BRENT.
For there help.
I tried web sites all over the world and sent emails to lotts of companies, all I have to do now is wait.
Thank you very much for your help.
..John..
jimh posted 05-24-2010 09:10 AM ET (US)     Profile for jimh  Send Email to jimh     
"On the cable there is a red and black for power and five other wires"

Give us the wire colors and the function designations for each wire.

jimh posted 05-24-2010 10:44 PM ET (US)     Profile for jimh  Send Email to jimh     
Extracted from some information sent to me via e-mail:

GARMIN 230 GPS wiring detail

Cable pigtail

RED = Vcc (10 to 40-Volts DC)
BLACK = Ground
BLUE = NMEA data output from GPS
BROWN = NMEA data input to GPS
WHITE = no connection
GREEN = no connection
YELLOW = Alarm pull down

Connecting this device to a computer is simple. A computer will have a serial port. The serial port will have the following connections:

GROUND
RX DATA
TX DATA

You connect the computer to the Garmin 230 GPS as follows

GARMIN <---> COMPUTER
BLACK ------- GROUND
BLUE ---------RX DATA
BROWN -------TX DATA

If you give me details of the serial port wiring on your computer, we can also give you details on what pins are designated for what function. If your computer uses a 9-pin DB-series connector, the typical pin designations are as follows

PIN 2 = RX DATA
PIN 3 = TX DATA
PIN 5 = GROUND

If this is the case on your computer, the wiring would then be

GARMIN PIGTAIL -- COMPUTER DB9
BLACK ----------PIN 5
BLUE -----------PIN 2
BROWN ---------PIN 3

If your serial port needs hardware flow control wire the DB9 with a jumper between PIN 1 and PIN 4.

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