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#1
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posted to rec.boats.cruising
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I'm considering the Lilliput for use onboard.
They are selling these on Ebay: http://cgi.ebay.com/Lilliput-Car-PC-...QQcmdZViewItem I'm considering the Lilliput for use onboard. They are selling these on Ebay: It's designed as a mobile pc with a 40 gig HD and 1 ghz CPU. The power consumption is around 30 watts (but no more than 48 watts), and has some nice features. Around US$500. Any use this model or thinking about using one I'd like your opinions. Cheers, Jim |
#2
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posted to rec.boats.cruising
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![]() For $500 you can get a new laptop with twice the disk space and twice the procesor speed, and a 15" screen. (frys.com, or your prefered discounter) I would not in-dash-mount a computer, as you arel likely to replace it from time to time. Plus, you might like it to be portable sometimes. On Mar 13, 1:54 am, wrote: I'm considering the Lilliput for use onboard. They are selling these on Ebay: http://cgi.ebay.com/Lilliput-Car-PC-...D-MP3-GPS-USB-... I'm considering the Lilliput for use onboard. They are selling these on Ebay: It's designed as a mobile pc with a 40 gig HD and 1 ghz CPU. The power consumption is around 30 watts (but no more than 48 watts), and has some nice features. Around US$500. Any use this model or thinking about using one I'd like your opinions. Cheers, Jim |
#3
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posted to rec.boats.cruising
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On Mar 20, 3:17 pm, wrote:
For $500 you can get a new laptop with twice the disk space and twice the procesor speed, and a 15" screen. (frys.com, or your prefered discounter) I would not in-dash-mount a computer, as you arel likely to replace it from time to time. Plus, you might like it to be portable sometimes. Hi Chris; I see two advantages of a VIA solution for onboard PC over a laptop; power consumption and fanless, so the motherboard can be isolated from the marine environment. Cheers, Jim |
#4
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posted to rec.boats.cruising
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#5
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Don't get me wrong, I like my mini-itx machine: I use it every day,
and I keep looking for ways to upgrade it. But bang-for-the-buck, a cheap laptop beats it easily. Thanks Jeff; I hear you. The new VIA mini boards (EPIA EX with the CX700M2 chipset or EPIA EN) look very cutting edge, and cliam 13.2 watts power consumption without the screen as you pointed out. Laptops are now outselling desktops and they are getting better all the time. It's the fanless aspect that really appeals to me; perhaps fanless would work in a purpose-built environment. I haven't researched laptops yet beyond learning that the newer, faster laptops use less power that the older, slower laptops. Cheers, Jim |
#6
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posted to rec.boats.cruising
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#7
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* wrote, On 3/20/2007 11:37 PM:
Don't get me wrong, I like my mini-itx machine: I use it every day, and I keep looking for ways to upgrade it. But bang-for-the-buck, a cheap laptop beats it easily. Thanks Jeff; I hear you. The new VIA mini boards (EPIA EX with the CX700M2 chipset or EPIA EN) look very cutting edge, and cliam 13.2 watts power consumption without the screen as you pointed out. Laptops are now outselling desktops and they are getting better all the time. It's the fanless aspect that really appeals to me; perhaps fanless would work in a purpose-built environment. I haven't researched laptops yet beyond learning that the newer, faster laptops use less power that the older, slower laptops. Check out the "Operating Manual" downloads on the Via website. They show typical main board power usage under different applications. Playing a DVD on an EN12000 uses about 14.5 Watts, at idle its 12.3. Add between 1 and 4 Watts for the EN15000, similar numbers for the EX. http://www.via.com.tw/download/mainb...PIA-EX_101.pdf http://www.via.com.tw/en/products/ma...erboard_id=450 However, these numbers are for the board only, and don't include the disk, dvd player, etc. They don't say how much memory is loaded, and probably don't have USB devices added. If you run mapping software connected to GPS and instruments, will that keep the CPU pegged? You should probably figure on 18 Watts or maybe even higher. As for laptops and fans, the machines I've had (such as the IBM A30 I'm typing on) run fanless much of the time, turning on the fan as the CPU heats up. Since I've gone down the route and been a bit stymied by some of the issues, in particular the screen, I really curious as to what screen you plan on using, and what size boat this will be on. In my case, the general power usage on my boat is so high (90 to 180 AH/day) that saving one or two AH is of little consequence. I don't run the computer all day so it isn't a big deal. I know that many people use PC based navigation software, but it bothers to rely on Windows for something so critical. But that a whole separate discussion ... |
#8
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posted to rec.boats.cruising
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On Mar 20, 2:38 am, wrote:
On Mar 20, 3:17 pm, wrote: For $500 you can get a new laptop with twice the disk space and twice the procesor speed, and a 15" screen. (frys.com, or your prefered discounter) I would not in-dash-mount a computer, as you arel likely to replace it from time to time. Plus, you might like it to be portable sometimes. Hi Chris; I see two advantages of a VIA solution for onboard PC over a laptop; power consumption and fanless, so the motherboard can be isolated from the marine environment. Cheers, Jim Hi Jim, power consumption is a function of the price (and year) of the laptop. In the $500 range I wouldn't expect huge differences between laptop and the VIA box, they will both run on the same (cheap) parts. [As others said, the screen is by far the largest power draw; included in the specs you get for the laptop, but not for the box, if I understand correctly.] Fanless is nice, but unless you waterproof the box _and_ the sreen, there is no real advantage over a laptop. You can't douse either system with sal****er. (Remember, the motherboard is probably cheaper than the screen. ![]() Btw., the the laptop fan is not blowing over the motherboard, just through the heatsink of the processor. (At least in the last one I took apart.) I totally agree with Jeff: For ease of use and economics: A laptop. For high fail safety at a reasonable price: Two cheap laptops, keep one sealed in plastic as a backup. For the joy of tweaking and optimizing a neat system: The VIA box. Have fun, Chris |
#9
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Thanks Jeff, Chris, Wayne;
Your opinions have altered my course; I'm looking in the laptop direction now. One for use and one sealed as a spare. I've always built my own computers and as you said, a VIA box would be fun to build but with a critical application (like running navigation software) you have to be practical. I'm building a 35' steel pilothouse cutter and haven't calculated my power requirements yet, but I'm considering a towed generator. The monitor will be housed in the pilothouse, where it will be dry. A navigation solution that will work in the cockpit is another issue! Cheers, Jim |
#10
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Another View:
Basic Question: Are you planning to be able to "use" the computer from the helm position?? If so, you will not want to put a typical laptop in that location. How do you see the screen and operate the laptop? IF you want a helm-position usable computer for navigation, monitoring, and possibly onboard controls, then I think the VIA and similar machines are the way to go. The system mounts in a protected position, but runs sealed/fanless for high reliability in Salt Air, a LCD Display (lots of issues and variants and prices) is viewable at the helm, and some variety of hands-on control (again, many possibilities) are at the helm position. The newer VIA units have MP4 video acceleration in the chipset and can play DVD movies successfully. At Anchor! Unless you want to watch and listen to Victory At Sea while underway :-) I'm researching the possibilities and will build some system like this starting in late May when I get back to the US. There is a new "WIKI" section of www.boatdesign.net and I'm helping put together a "Onboard Computers" section. You're invited to drop in there (http://boatdesign.net/wiki) and help out! There a discussion section (Tab at the top) so please say hello... I haven't followed this group, but I will from now on.. Obviously the only reason for all this stuff is to Get Out There. |
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