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Go Back   SailNet Community > Out There > Cruising & Liveaboard Forum > Living Aboard > any thoughts on laptops over desk top computers
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Thread: any thoughts on laptops over desk top computers Reply to Thread
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Topic Review (Newest First)
09-04-2007 01:58 PM
sailingdog The fan takes the heat off the heat sink, and put it into the air..which transmits the heat to the metal casing...which disperses the heat, acting as an external radiator.
09-04-2007 01:47 PM
Valiente
Quote:
Originally Posted by wind_magic View Post
The problem is the visual in your head is thinking normal motherboard and case.

Instead, think motherboard the size of a pack of cigarettes, fan the size of a quarter, and large metal enclosure.

Less like a bull in a shoebox, and more like a mouse in a gymnasium.
That bit I get; what I don't understand are the thermodynamics of a tiny fan inside an unvented box. With no circulation outside of the cubic inch of airspace, I am wondering what the fan could be for.
09-03-2007 03:46 PM
wind_magic
Quote:
Originally Posted by Valiente View Post
Am I missing something? What's the point of a fan inside a completely sealed metal enclosure? You would simply be moving around heat unradiated through the metal...you'd be better off with a fat heat sink.
The problem is the visual in your head is thinking normal motherboard and case.

Instead, think motherboard the size of a pack of cigarettes, fan the size of a quarter, and large metal enclosure.

Less like a bull in a shoebox, and more like a mouse in a gymnasium.
09-03-2007 03:19 PM
Valiente
Quote:
Originally Posted by wind_magic View Post
I'm installing a Pico-ITX board. With a solid state drive you'd have a great boat computer. The Pico-ITX board does have a fan but it's tiny and I'm going to completely seal mine inside of a metal enclosure. ]
Am I missing something? What's the point of a fan inside a completely sealed metal enclosure? You would simply be moving around heat unradiated through the metal...you'd be better off with a fat heat sink.
09-02-2007 03:42 AM
wind_magic I'm installing a Pico-ITX board. With a solid state drive you'd have a great boat computer. The Pico-ITX board does have a fan but it's tiny and I'm going to completely seal mine inside of a metal enclosure. For most people a slightly larger board with more onboard I/O would probably be smarter, like a Mini-ITX board.

Boat computer thread

Here is a link to the manufacturer of these small motherboards, many are fanless.

Via Technologies, Inc.
09-01-2007 12:39 PM
speciald I went through 2 harddrives in two years, then bought an expensive Toughbook that lasted 4 years before the motherboard fried. Now I use a Sony that has run with out a problem for three years - it has an extended warantee so it will probably go to the end of the warantee before dying. Toughbook has a wireless tablet-type monitor that is military spec'd that can communicate with a remote computer by Bluetooth or WiFi and is said to be indestuctable. You may have seen these on America's Cup boats. It costs about $1600 but could be perfect for cockpit use.
08-16-2007 11:17 PM
Doug_53 Purchase the 4 year extended waranty Duh!
08-16-2007 03:26 PM
hjubyhavn TomsHardware .com has an article on how to submerge a computer in oil for cooling purposes. If you are handy you can use that for a template for building your own weatherproof computer. If you use a standard low power consumption cpu/chipsets you will have superb performance (AMD gave inexpensive 65watt units). If you use the VIA EPIA with very-low power cpu's you will have better power performance than most laptops - and you can mount a dual channel Video card so you can drive two monitors.

And if you use good organic oil use can use it as reserve for your diesel or cooking.
07-16-2007 09:27 AM
sailingdog Kathleen-

Keep us posted... and good luck with the repair.

Quote:
Originally Posted by SchoonerMISTRESS
Hey Sailingdog,
Well I should be able to clarify this in about a week or two because I want to send mine off for service before we head out. Nothing to wrong with it. The monitor tends to have a small vibration noise in it sometimes and it drives me crazy, granted this is a short trip for me, but what the heck. Also, sometimes after putting it to sleep it will refuse to wake up and I have to shut it down completely before I can re-start it. Anyway, I will ask some good questions to see if I can clarify the IBM / Lenovo issue.
All my best,
Kathleen
aboard
Schooner MISTRESS
07-16-2007 09:14 AM
SchoonerMISTRESS Hey Sailingdog,
Well I should be able to clarify this in about a week or two because I want to send mine off for service before we head out. Nothing to wrong with it. The monitor tends to have a small vibration noise in it sometimes and it drives me crazy, granted this is a short trip for me, but what the heck. Also, sometimes after putting it to sleep it will refuse to wake up and I have to shut it down completely before I can re-start it. Anyway, I will ask some good questions to see if I can clarify the IBM / Lenovo issue.
All my best,
Kathleen
aboard
Schooner MISTRESS
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