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Old 03-13-2007, 01:29 AM   #1
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ok I just stumbled upon this thread... just wondering if ya'll knew most home computers ran off of 12 volts.... you will need to remove the power supply that converts 110AC to 12DC and put a voltage stabilizer(wave rectifyer) in there, but that sure beats going from DC to AC to DC again for no reason
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Old 03-13-2007, 03:49 AM   #2
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ok I just stumbled upon this thread... just wondering if ya'll knew most home computers ran off of 12 volts.... you will need to remove the power supply that converts 110AC to 12DC and put a voltage stabilizer(wave rectifyer) in there, but that sure beats going from DC to AC to DC again for no reason
Unfortunately it's not quite that simple. The ATX specification requires 12DVC, 5VDC and 3.3VDC - all of which must be tightly regulated (i.e. no voltage fluctuations) and clean (i.e. no ripple)

In order to run a desktop PC in a car you will absolutely need power supply of some description, be it a purpose built DC-DC one, or DC-AC-DC in the form of a regular ATX PSU and a DC-AC inverter.

Notebooks with car charger kits are a lot simpler :)
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Old 03-13-2007, 04:26 AM   #3
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Unfortunately it's not quite that simple. The ATX specification requires 12DVC, 5VDC and 3.3VDC - all of which must be tightly regulated (i.e. no voltage fluctuations) and clean (i.e. no ripple)

In order to run a desktop PC in a car you will absolutely need power supply of some description, be it a purpose built DC-DC one, or DC-AC-DC in the form of a regular ATX PSU and a DC-AC inverter.

Notebooks with car charger kits are a lot simpler :)
Exactly. Each route (old laptop vs Mini-PC) has its advantages and drawbacks. My old laptop has two problems: USB 1.1 only, and crappy sound. What I was planning was to get a USB2.0 PC Card, and an external USB sound card like one of the Creative Extigy's. With a custom-built PC, you would avoid these kinds of headaches!
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Old 03-13-2007, 04:41 AM   #4
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Exactly. Each route (old laptop vs Mini-PC) has its advantages and drawbacks. My old laptop has two problems: USB 1.1 only, and crappy sound. What I was planning was to get a USB2.0 PC Card, and an external USB sound card like one of the Creative Extigy's. With a custom-built PC, you would avoid these kinds of headaches!

Wow, your old laptop really is old LOL
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Old 03-13-2007, 07:53 AM   #5
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Unfortunately it's not quite that simple. The ATX specification requires 12DVC, 5VDC and 3.3VDC - all of which must be tightly regulated (i.e. no voltage fluctuations) and clean (i.e. no ripple)

In order to run a desktop PC in a car you will absolutely need power supply of some description, be it a purpose built DC-DC one, or DC-AC-DC in the form of a regular ATX PSU and a DC-AC inverter.

Notebooks with car charger kits are a lot simpler :)
no problem there guy, that is what a dual wave rectifyer is for :), The power supply in a computer is basicly a transformer and a dual wave rectifyer, the rectifyer will set a specific voltage, no problem, and is basicly a couple Diodes
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Old 03-13-2007, 08:04 AM   #6
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the rectifyer will set a specific voltage, no problem, and is basicly a couple Diodes
The keyword being rectifier of course :)

In any case, what youre describing is a DC-DC converter, so we're in agreement
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Old 03-13-2007, 01:08 PM   #7
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The keyword being rectifier of course :)

In any case, what youre describing is a DC-DC converter, so we're in agreement
Yes sir lets go drinkin
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