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  How do you determine what adaptor to
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   Author  Topic: How do you determine what adaptor to  (Read 883 times)
Dick Schneiders
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Re:How do you determine what adaptor to
« on: March 2, 2005, 03:28AM »
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Quote:

Quote from: _hard on March  2, 2005, 02:28AM   


you are Mike! I wasn't and damaged some times ago an old chess computer with wrong polarity. For the Saitek President the HGN 5001 with 9V DC and 250 mA (and other universal adaptors too) is OK. Dick, you need the plus (+) pole inside and minus (-) on the outside. At least for Presidents sold in Germany.

Bernhard

Edit: but Mike is right: 99% of the chess computers are not choosy about polarity. The standard Mephisto adapter HGN 5001 works with most Fidelity and Saitek computers too. Only Novag went its own way.


Thanks so much.  My Fidelity ones should work fine, then. 

There is certainly a lot of information to gather, whenever a person gets interested in a new genre, or "new sickness", as my wife puts it.

Dick Schneiders
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_hard
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Re:How do you determine what adaptor to
« Reply #1 on: March 2, 2005, 02:28AM »
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Hi,

Quote from: Mike Watters on March  2, 2005, 02:11AM   

Personally I have not found a chess computer that is choosy about polarity. Maybe I have been incredibly lucky so far?

you are Mike! I wasn't and damaged some times ago an old chess computer with wrong polarity. For the Saitek President the HGN 5001 with 9V DC and 250 mA (and other universal adaptors too) is OK. Dick, you need the plus (+) pole inside and minus (-) on the outside. At least for Presidents sold in Germany.

Bernhard

Edit: but Mike is right: 99% of the chess computers are not choosy about polarity. The standard Mephisto adapter HGN 5001 works with most Fidelity and Saitek computers too. Only Novag went its own way.
« Last Edit: March 2, 2005, 02:38AM by _hard » Report to moderator Logged
Mike Watters
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Re:How do you determine what adaptor to
« Reply #2 on: March 2, 2005, 02:11AM »
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Mike,

Thanks, that will be helpful.

One of the sites that sells adaptors for chess computers, states that some have positive tips and others negative tips, and that using the wrong type can "render the computer useless".  I wouldn't be concerned about the voltage or mA's that much, but this bothers me.

Do you know if there is way to determine this from the machine or the adaptors?  I would guess that most, if not all, of the machines from one company would be one or the other.

Dick Schneiders

Dick the symbol for polarity, at least I think that is what it is, came out badly on my post. It was the :-

____
- - -

Now this does not mean anything to me but I hoped it would mean something to you. It comes from the manual.
My info and adaptor kits show other symbols.

Personally I have not found a chess computer that is choosy about polarity. Maybe I have been incredibly lucky so far?

Mike
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Dick Schneiders
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Re:How do you determine what adaptor to
« Reply #3 on: March 1, 2005, 06:21PM »
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Quote from: Mike Watters on March  1, 2005, 03:10PM   

Dick

This is what it says on my President Adaptor. It is a British one.

Input: 240V ~ 50HZ 50mA
Output: 9V DC 300mA ___
                              - - -

Of course damage is always a possibliity, but a remote one if you don't know but try something reasonable. I use Universal Adaptors on quite a few of my machines. Mephistos seem choosy, the display usually shows gobbledegook or blank until you get it the right.

Mike


Mike,

Thanks, that will be helpful.

One of the sites that sells adaptors for chess computers, states that some have positive tips and others negative tips, and that using the wrong type can "render the computer useless".  I wouldn't be concerned about the voltage or mA's that much, but this bothers me.

Do you know if there is way to determine this from the machine or the adaptors?  I would guess that most, if not all, of the machines from one company would be one or the other.

Dick Schneiders
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Mike Watters
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Re:How do you determine what adaptor to
« Reply #4 on: March 1, 2005, 03:10PM »
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Dick

This is what it says on my President Adaptor. It is a British one.

Input: 240V ~ 50HZ 50mA
Output: 9V DC 300mA ___
                              - - -

Of course damage is always a possibliity, but a remote one if you don't know but try something reasonable. I use Universal Adaptors on quite a few of my machines. Mephistos seem choosy, the display usually shows gobbledegook or blank until you get it the right.

Mike
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Dick Schneiders
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How do you determine what adaptor to
« Reply #5 on: March 1, 2005, 01:37PM »
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get for a chess computer?

Specifically, at this time, I need one for the Saitek Kasparov President chess computer.  I assume that if I try to use some that I already have, and it is not the correct type, that the computer can be damaged - is that correct? 

Classicchessandgames.com sells a few adaptors.  The only one that they show for Saitek, doesn't mention the President in the list of those it works for.  It only mentions some current Saitek models.  Would it be a safe assumption that if an adaptor is made to use with *some* Saitek computers, that it would be ok for *most* Saitek computers?

Just one more area that this newbie is in the dark about.

Thanks,

Dick Schneiders

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