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Mobile Device Programmers Contest !

Prize/Contest InformationTen winners based on popular vote by registered voters will be selected, who will all receive a Mobile Internet Device as well as USD $1,000 (total value USD $1,500.00). The top 10 winners will only be eligible to receive prizes if they agree to compete for the grand prize and submit working beta applications for MID devices.Grand Prize winners will receive 2 round-trip airline tickets to anywhere in the world to an Open Source event, including 1 week of accommodations. Grand prize valued at up to USD $6,000. Intel and Moblin will pick the airline and hotels for the grand Prize winners.Terms and ConditionThe contest is open to individuals and companies eligible to work and live in USA. Individuals must be 18 or older to enter. Employees of Intel Corporation, its affiliates, subsidiaries, advertising and promotion agencies, and the immediate families of each may not enter. Companies with an existing technology enabling account with Intel Corporation are not eligible to enter. Past winners in any category will not be eligible for re-entry with the same game that previously won. Void where prohibited.You must have legal right to commercially distribute your entry in order to be eligible...Here is the SOURCE link...

Topic by Goodhart    |  last reply


what components do i need to start programming avr microprocessors?

 i have read  the  instructable www.instructables.com/id/Ghetto-Programming%3a-Getting-started-with-AVR-micro/ and made the www.ladyada.net/make/usbtinyisp/ programmer kit,but dont know where to get the componants in the uk and all the how-tos i have read have been very vague about what you actually do when youve made the kit.

Question by watson9194    |  last reply


Tessel: a new quick-prototyping microcontroller, programmable in JS

I haven't been very active on Instructables lately because I've been a part of starting a company (technical.io)! I thought the Instructables community would want to see: Tessel is an internet-connected microcontroller programmable in JavaScript that enables developers to extend the reach of the web to physical things. Since Tessel is compatible with Node.js and leverages the Node Package Manager, adding additional capabilities is as easy as plugging in a Tessel module and npm installing its firmware. Get Tessel and start making smart, internet connected devices! We have eight days left of crowdfunding: http://www.dragoninnovation.com/projects/22-tessel, so you can see our whole story there. Since Instructables still has a claim on my heart, you've got an open line to me if you have any questions. Miss you! Selkeymoonbeam

Topic by SelkeyMoonbeam  


What are these programms and do I need them?

Hi, ive just bought a laptop to use for music playback and storage. I dont want it for anything else (not even internet), its a basic XP toshiba and I got it second hand. So i went to start uninstalling any non essential programms to give me as much space for storage as I can and to help it run quicker. However i can see several programms ive never heard of and wondered if anyone wold be kind enough to explain to me what they do and if I need them or I can uninstall them. Thanks REALTEK Gigabit and fast Ethernet NIC driver Blue tooth stack for Windows by toshiba Sonic DLA Texas Instruments Also what is Inervideo WinDVD creator 2, i have some Idea but dont want to unistall if it does something to the computer

Question by Boba Jett    |  last reply


AVR Tutorial?

So I built a nice little programmer, and now I want to learn to program my AVR microcontrollers. WHERE DO I FIND A TUTORIAL?! I've been looking for hours, and all I can find is information on building a programmer for AVR microcontrollers. I already did that! I can't find a single tutorial on how the programming language for AVRs work. Does anybody know where I can find a tutorial on the programming language for AVRs, or the AVR assembly lnaguage? This is the only thing that there seems to be nothing about on the internet.

Topic by gimmelotsarobots    |  last reply


How do I build a robotic/internet controlled home care system? Answered

I have an elderly relative who is very independent, but needs some help with medications. It appears that her current trouble with them is only temporary, and seems to be limited to medications, although we're not sure. I have access to a good number of old computer monitors and a fair number of old computers, and I was wondering if it would be possible to arrange a setup where a recording, audio and visual, of a relative would remind her to take which meds when. It would also be great to be able to remotely program it, etc. through the internet, and maybe chat with her as well. She doesn't have a computer, and is not very tech-savvy, so it would have to be simple. Any help is much appreciated. thanks!!!

Question by mad magoo    |  last reply


How to build a simple CPU from 74XX Logic Chips? Answered

Hi everyone! I'm wondering what are some good resources to learn how to build a simple programmable CPU from 74XX logic chips.  I'd like to build one where I use DIP switches to program the CPU.  I don't have an EEPROM/EPROM/PROM burner, so using those are out of the question.  I've seen some CPU's already that run an internet server, but they are too complicated/expensive to build and understand.  I want to learn how a CPU can be built and the principles behind it.   I have about 150 74XX chips, including a 74LS181 ALU unit.  I also have enough capacitors and resistors for the project. Thank you! 

Question by prrgg14935    |  last reply


Omniversity : Advanced Arduino Course in Manchester

We're launching the Omniversity, housed at the Manchester Digital Laboratory. The MadLab has been one of the country's most successful hack and creative digital culture spaces, attracting thousands of visitors to the region and bringing in national and international talent to lead free workshops and events. Every evening is double-booked with free community-driven events around open platforms and professional development. Building off the back of this success, and the huge network we've built, we're offering the Omniversity - an expert-lead series of training programmes, designed to be affordable and lead by industry veterans and in-the-trenches professionals, rather than full-time tutors. We'll be teaching people platforms from the near-future, without the cost overheads that more formalised training providers impose. This brings us nicely to the course of the Internet of Things... The Arduino boards have become the de facto choice for physical computing projects and, with the addition of an Ethernet shield, make an excellent platform on which to explore the Internet of Things. Want your letterbox to email you whenever the postman has been? Need a clock to show you where your loved ones are? Or a glowing multi-coloured ambient orb to show your energy usage? This course will get you started on the road to realising your own Internet-connected projects. The course is on Friday, 25th February 2011 and costs £132.00 - included in this is an Ethernet shield, selection of components, wires and cables. All you'll need on the day is your laptop and and Arduino Uno or Duemilanove. Lunch and hardcopy course materials are also included. The course is lead by Adrian McEwan, creator of the bubblino.com family. To find out more & book onto the course please see here. Hope to see you soon! MadLab 

Topic by MadLab  


Ladyada wins EFF Pioneer Award!

The always-awesome Ladyada of Adafruit Industries is one three winners of the EFF's Pioneer Awards! It's doubly awesome to see more geek women on lists like these. Check out her recent projects here!From the official notice:A pioneer in the field of open-source hardware and software hacking, Ladyada helps the general public engineer and adapt consumer electronics to better suit their needs. Her do-it-yourself ethic is founded on the idea that consumer electronics are best modified for use by customers, not corporations. Fried runs her own company, Adafruit Industries, which sells unique and fun do-it-yourself kits to help consumers make gadgets such as backup iPod chargers, green power monitors and programmable displays for bicycle wheels. She also hosts an Internet video program called "Citizen Engineer" that provides step-by-step instructions to help consumers build and alter their own home devices. Awarded every year since 1992, the Poneer Awards recognize leaders who are extending freedom and innovation on the electronic frontier."

Topic by canida    |  last reply


my newest project

Well I am working on my newest project using knex. the download for it will be here when I am done! http://dsman1.webs.com/my project is going to be a fps game using knex guns! it will be multiplayer over the Internet and I will program it with pictures of all the knex guns and there range, power. you can give my data for the pic of the gun by making it with mlcad.i am sorry world but my game programmer wont let me make a 3d fps. n I will try to get it to let me but until the happens you will have a over head view of the game when you play. sorry. it will still have your guns in it.update:the game is 10% done( as in the shooting works and enemys shoot at you. you can also move. right now i have pacman sprites :)when you make a picture in mlcad all you need to make is the top and it just needs to be the shape.update: 12/27/07update:i have good news and bad news.bad news: the program fell a part. every thing started to glitch up the other programs and i do not have time to fix it. good news: i found a different fps that i should be able to mod to have knex guns. so the game will be a fps game!!update:i am starting to run test of the web server.

Topic by dsman195276    |  last reply


MCP2210 Questions?

"Don't believe everything you read on the internet" - Abraham Lincoln Such wise words I should have heeded.  Anyhow I have my MCP2210 wired up correctly now, the computer recognizes it, configured using the MCP2210 Utility and the GPIO pins have been tested and work through the SPI Terminal that I downloaded for another product related to this from Microchip. The question I have now is how much farther can I take this?  I started with this IC because I know (some) Arduinos use an FT232 USB to UART chip to connect USB to the Atmel chip they use.  I recall most Atmel MCUs can be programmed using SPI, so I figured I would try this out.  I also hoped this would delve into software so I could teach myself a bit about that as I am more familiar with hardware and building circuits.  If everything worked out I wanted to use these with an MCU so I could make myself custom small USB programmable boards for projects.  So would it be possible to program an ATTiny or ATMega through this using Atmel Studio 7.0?  What am I missing if it can be done?  What should I be researching next?  Anything to point me in the right direction is appreciated.  If this is not feasible, alright, what other applications would these chips as I have a few more of them?

Question by Electric Spectre1  


AC Wall Unit Timer/Thermostat

I have an older AC wall unit in my apartment. It has 3 dials – one for temperature (1-8 where 8 is coldest), one for fan speeds (low cold, high cold, low fan, high fan), and a manual lever that opens the vent in the back. I’m reciting this by memory as I haven’t actually looked at it closely, but it has one of the larger 3 pronged cables that plugs into a dedicated outlet in my wall (perhaps used for a higher voltage). In any case, my intentions are as follows:    • Have a timer for the AC unit to plug into to turn off on programmable intervals           o Monday – Friday it will be on after 6:00pm until 7:00am the following morning.    • One nice feature would be to give it a thermostat capability.           o If the temperature is below 70 degrees during these time intervals, for instance, then the AC unit will shut off, otherwise it will power back on.    • Another obscure (and I’m sure complex) feature would be to allow remote access to the timer. I know that this requires some unique hardware, but I’m familiar with programming and can visualize the methodology in telling the timer/thermostat unit a different set of commands (let’s say I know that I’m coming home early – I send information to the device via the internet to have it turn on a few minutes before I get home). I understand the last part is quite complex, but it’s not a priority at all, rather, a neat little feature that would make this all the more worthwhile (and in my eyes more interesting). I know that there is a similar device out there (can’t remember the brand name) that has a lot of these features, but I’m not willing to drop $300+ on something like that. For now, my priorities are listed in order per the bullets. First and foremost is being able to program a timer for a wall AC unit. Second is to have it detect the temperature of the room and set it accordingly. And third is the availability to ‘talk’ to the device remotely. My question for you is: how can I get through the logistics on this sort of project? What components (hardware) am I looking at (general price range), and what degree of difficulty will this entail? I have my computer practically right next to my AC unit, so communication with the device won’t be difficult in those regards. Otherwise, I’m just looking for tips and pointers. If someone happens to know of a (cheap) unit that does most everything that I’m looking for, then great. I’m all ears and really appreciate any feedback.

Topic by Phoenix5794    |  last reply


Detecting Very Slight Tendon Movements In Wrist

I've always had an intense fascination for lucid dreaming. Finding ways to communicate or control outside devices based off the slight body movements that are possible despite the natural paralysis during sleep is a topic of great interest to me. I have several LDs (lucid dreams) each night and through much experimentation have found that with a bit of concentration, I could move my fingers enough to trigger very sensitive buttons (if placed perfectly before falling asleep) or to grip myself (if my hand is placed say, near my neck before intentionally entering a dream from waking) such that the sensation of my fingers reaching my neck would wake me. These experiments were proof enough that if I perhaps had some sort of glove or wrist mounted piezo sensors that are able to detect the individual tendon/finger movements with high enough sensitivity, combined with software that can parse patterns and reliably filter out minor unintentional simultaneous movements for the fingers that are prone to movement when others nearby are moved, it would be possible to establish one way communication with outside devices, the Internet, etc. Input could be in the form of different patterns or even text (tap code, morse code, or through a hybrid allowing use of each digit of the hands) or musical notes (each finger representing a note of a scale with a finger or two used to change octave or to toggle sustain.) As a musician who "writes" his best music within his dreams, this could be quite handy for getting melodies down before they vanish from memory on waking. For example, to activate input, you could perform a simple pattern that is unlikely to be triggered unintentionally. It could be as easy as left thumb flex, right thumb flex repeated in that order several times. From this point, you could use another pattern to choose to trigger an alarm (sound, vibration or electrical shock), or to initiate musical or text recording. There are many different uses that could be explored, and it might even be possible that 2 way communication could be established if a reliable method of transmitting to the dreamer without waking them could be created. This is however beyond the scope of my intentions. I have suffered from sleep paralysis on a nightly basis for over a decade now which can be extremely frightening and last up to several minutes, and during this time I am able to move my fingers as well as shake my head back and forth (which I need to do to break out otherwise the paralysis will persist until I'm pulled into a nightmare.) My solution to these terrifying experiences was wearing a heart rate monitor with an alarm that goes off past a certain BPM, which only happens when I am frightened. Now that I am so used to these experiences, my heart rate does not increase enough that I can reliably use it as a trigger without also waking myself out of exciting dreams that I'd rather not have prematurely terminated. I am fairly confident that a device such as this could help with breaking out of my paralysis at will and PERHAPS even be sold commercially to other sufferers of this condition, however niche the market. Giving me control over my sleep paralysis alone would be a highly satisfactory result with significant quality of life improvements and be worth the effort of building this. Waking up partners in bed with my head thrashing is less than ideal! As an avid software programmer, I do not think that the code involved would be terribly difficult. However, I have very little electrical knowledge and building this without existing plans would be tough and time consuming. It would be enough to have a pressure/flex voltage for each digit transmitted to a Raspberry Pi or via Bluetooth to a computer and the rest could be done through software. My questions are.. Does a commercial device exist that would be suitable for my purposes and not be terribly expensive? Perhaps a glove? Is a wrist strap with piezo sensors over each tendon that control the fingers a realistic possibility to achieve my goals? I do not need to know the position of the fingers or whether it is pushing against something. Just that movement is being attempted. Do existing plans exist to create a similar device? Thank you!

Question by Ril900    |  last reply


Tracking down the speed problems on a laptop.

I've copied the conversation here so we could remove the information from the original instructable's comments.  I figure this would also be of some interest to other forum viewers who may have similar problems, or may be able to chip in. The long and short of it is, 92033 (Ed) has a refurbished laptop that takes literal hours to run a YouTube video on.  I suspect that it's due to a bottleneck with his internet connection.  Here's the conversation thus far: ---------------------------------------------------------------- 92033 (Ed): Thank you kindly for your prompt reply...appreciate it very much. I came across this site by accident in searching for something else and now I'm 'hooked' on it. :) So far I've read over 400 archived posts (whew)...as well as looking at the videos. The videos are somewhat of a problem because this new laptop only has 512 mg memory...LOOOOOng time to load. For example...to watch a SLOW 5-minute You Tube video takes 5-1/2 HOURS to load...keeps showing a couple words at a time...need to get two new memory chips to upgrade to 2gb. Thanks again...Take care. ---------------------------------------------------------------- eddems: I think you're basic download speed is killing ya, not the laptop. check you're speed at Internetfrog.com, if you see the link near the bottom for the old test, run it, I like it's graph of upload and download speed much better. ---------------------------------------------------------------- 92033: Thanks much. I'll check it out. I ordered a 1gb SDRAM Memory chip which just arrived yesterday. Hope this speeds things up a bit. ---------------------------------------------------------------- harley_rly: i hear u man, my computer is hopped up, but i live out in the sticks and have dialup...i only get 24kbps at most :( ---------------------------------------------------------------- 92033: Maybe there's hope for 'us' yet. :-) I phoned Tiger Direct to see cost of an upgrading memory chip to go from 512mg to 1-1/2gb. The guy I talked to suggested I get "PC TUNEUP 2.0" which bypasses the Windows Operating System (I'm using Windows XP Pro) and speeds up the system. I gave it a try and ordered the CD (cost $39.98 - $44.77 postpaid). It hasn't arrived yet but will let you know if it helps as he claims it will. He said that if I just ordered a 1gb memory chip my system wouldn't notice much improvement as it is, but this CD should do the trick. THEN...when I DO order the Memory chip(s) to get total of 2gb my system should zip through like a rocket with the CD just ordered. I'll let you know when I get the CD and about the results. Just hope I haven't thrown forty-five bucks to the wind. Thanks for the contact...appreciate hearing from you. TAKE CARE. ~ ED ---------------------------------------------------------------- Javin007: PC Tune-Up "bypasses the Windows Operating System?" This guy fed you a load of crap. (I work on computers for a living.) PC Tune-Up does nothing more than clean up registries, defragment harddrives (if your OS even needs it, some don't) and keeps drivers up to date (which you could do manually.) That guy's an idiot, or just a liar. Could be both. Unless you were buying PC Tuneup 2.0 from Tiger Direct, in which case we can add "sleazy salesman" to that. What are the specs of the laptop? Go to Start/Run and type in DXDIAG. This will give you a quick snapshot of the specs. Specifically, I'm curious as to the processor speed/type. For a 5 1/2 hour "load" you're more likely looking at network slowdown issues (although 512 megs for XP is WAYYYY too little. I HATE when they put PCs together like that). The RAM upgrade will show significant speed increases, but no improvement with YouTube videos or other downloads. I'm glad to see you are returning the CD. ---------------------------------------------------------------- 92033: Thanks much for your input...appreciate it very much. I checked the DXDIAG as you recommended. Here's the info on it: IBM ThinPad Laptop PC. Model # 23738TU. Intel Premium M 1.70GHZ. 512mb SDRAM Memory chip.Page File- 351mb used,513 mb available. Direct Version-Directx 9.00 (4.09.0000.0904). 512 mb SDRAM-Actual 212 Ram. AVAST Anti-Virus. MS Windows XP-PRO.. Dialup Speed-40kbps. PC2700 SDRAM 512mb Memory Chip installed. I ordered 1bb memory chip which arrived yesterday. Now I have to figure out HOW to remove the bottom of this laptop to install it...lotta small screws on it. :-) Oh, total memory shows 32mb. I don't know if this means much to you. I note your comment that the added RAM memory WONT (?) speed up loading YouTube videos? Is that correct? If so, why not? Thanks again. Take care. ~ ED ---------------------------------------------------------------- Javin007: :) At the risk of boring too many people, here's how memory in a PC works: You have two kinds of memory: RAM, and Hard Drive (technically there's three, as there's also onboard video RAM on video cards, but this is primarily used for 3D video game textures, so can be mostly ignored.) Your harddrive's read/write speed is determined by the type of harddrive it is (most are SATA now) and the rotation speed (most are 7200 RPM, though the specs for your system say yours is only 5400 RPM, but there are 10, 15, and even 20K rpm models out there that are exponentially more expensive.) No matter what, harddrive memory will always be degrees slower than RAM. RAM on the other hand is a small chunk of memory that is "temporary" memory, but very fast. Its speed is determined by the type of RAM (DDR2 being the current common one for notebooks, though DDR3 is available with some motherboards (you can ignore this, though, as you can only handle 2 gigs max of DDR with your system). The motherboard will determine the limits for the RAM that can be installed.) When running *ANYTHING* on your computer, and I mean ANYTHING, it must first be loaded into RAM to be accessed by the CPU. The computer doesn't directly access the harddrive. So this means when your operating system is loaded (Windows XP) the entirety of all running processes for the OS have to be loaded into RAM. Now, Microsoft claims that Windows XP only requires a minimum of 64 megs of RAM, but recommends 128 megs. I challenge you to find me a Windows XP system that only uses 128 megs out of the box. It's not atypical for an XP system to chew through all 512 megs of your RAM, leaving no RAM available for other applications. (Interestingly, the default setup for your laptop is only 256 megs of RAM, yet yours is reporting 512.) What happens when there's no RAM left? The system has to then start trading things into what is called "Virtual Memory." VM is nothing more than a file on the harddrive that will temporarily hold information that SHOULD be in RAM, so the RAM can load more info. For instance, say you have a process that's using RAM, but you want to watch your YouTube video. As the video is ready to play, the system will take the other process's data that's in RAM, write it to the harddrive, load your video into RAM in its place, play a portion of it, write the video to the harddrive, load the data for the process to RAM, let it run for a split second (so it doesn't lock up), write it back to the harddrive, load your video into RAM and play a short clip, etc. etc. etc. The result of low RAM on your system is that applications will open slowly (seconds or minutes, instead of instantly or a few seconds) and they will seem slow to respond, will stutter, etc. With enough RAM, your system can freely open as much as it needs into RAM, and ignore the virtual memory and all the slowdowns that it causes. Now, all of this being said, NO lack of RAM will cause a streaming video to take 5 1/2 hours to play. This is 100% going to be related to your downspeed. (Go to www.speedtest.net and post your results.) RAM slowdowns tend to be most noticeable when shutting down, or starting up your computer, apps will open a little more slowly, they will be slower to respond to button clicks, and video will be very choppy. Anything that is causing a YouTube video to take HOURS will be due to the system simply waiting to get the video in the first place. RAM wouldn't slow down the receiving of the video, but it would cause the video to play weird once it's downloaded. So, all this being said, here's the summary: Your system has a 1.7 Ghz processor, and your RAM is most likely 333 Mhz DDR. If you bump your memory up to a gig, you should see a pretty significant improvement in that your computer will, overall, just "feel" faster. It'll be more responsive, and working with large documents will be many, many times faster. This won't, however, affect your YouTube experience (unless you were getting jittery video often, not the same as "buffering" video.) If you see "buffering" for a long time, your internet connection is your bottleneck. A test on www.SpeedTest.net will likely confirm this. However, if you get decent numbers on SpeedTest, then we could have something more sinister going on, though I suspect you'll find your numbers well below the 1 mbps rate. This brings us to actually changing the RAM. I've been out of the PC hardware realm (professional programmer now) for a few years, and was unable to find a manual for your particular model. However, if memory serves, this image should be a fairly accurate representation of the underside of your system: http://www.javin-inc.com/temp/thinkpad.JPG Don't quote me, but I BELIEVE the red circle will indicate the only screw you will need to remove to access the RAM. There should also be a small clip holding the RAM in place that you'll want to pinch to get the RAM out, and make sure that the new RAM snaps into place. (Sometimes you'll have additional empty RAM beds, and you can just put your RAM in there and end up with 1.5 gigs, but I suspect you'll have two 256 gig chips in there.) ---------------------------------------------------------------- 92033: Phew. Thanks again for your most indepth educational lesson. I appreciate all your help more than you realize. I attempted to answer this last night, typing in more than twice the amount of text as your to me, then suddenly realized there was a glitch and I was on another page...lost it all into the ionisphere. :-( Rather than try to retype all I wrote, I shut 'r down and went to sleep. Now I'm trying to recall all I wrote last night but failed to get mailed. I'm not a traditional typist, rather a one-finger bloke so you can understand the frustration there. I do, however, type at a reasonably good speed. With that said, let's continue. I went to search for Configuration of this IBM Laptop ThinkPad 23738TU and am copy and pasting it here. It's relevant to what I have to say...here it is: ********************************************************************************** Overview Specs Features Includes Warranty Supplies IBM ThinkPad T42 2373 Specifications Part # 23738TU Key Specifications IBM ThinkPAD T42 2373 Manufacturer IBM Manufacturer Part # 23738TU Processor Type Intel Pentium M 735 1.7 GHz Data Bus Speed 400 MHz Cache Memory Type L2 cache Installed Size 2 MB RAM Installed Size 256 MB Technology DDR SDRAM Memory Speed 333 MHz System Type Notebook Storage Hard Drive 40 GB, 5400 rpm Storage Controller Type IDE Optical Storage Type DVD ROM Read Speed 24x (CD) / 8x (DVD) Display Type 14.1" TFT active matrix Graphics Processor / Vendor ATI MOBILITY RADEON 7500 Video Memory 32 MB Max. Resolution 1024 x 768 Audio Output Type Sound card Audio Codec AD1981B Compliant Standards DirectSound, AC '97, SoundMAX Telecom Modem Fax / modem Max. Transfer Rate 56 Kbps Protocols & Specifications ITU V.90 Networking Networking Network adapter Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet Expansion Expansion Slots Total 1 x front accessible Expansion Slots Total 2 ( 1 ) x memory 1 ( 1 ) x CardBus - type II Interfaces 1 x docking / port replicator, 240 pin docking 2 x Hi Speed USB, 4 pin USB Type A 1 x parallel, IEEE 1284 (EPP/ECP), 25 pin D Sub (DB25) 1 x display / video, VGA, 15 pin HD D Sub (HD 15) 1 x infrared, IrDA 1 x modem, phone line, RJ11 1 x network, Ethernet 10BaseT/100BaseTX, RJ45 1 x display / video, S video output, 4 pin mini DIN 1 x microphone, input, mini phone mono 3.5 mm 1 x headphones, output, mini phone stereo 3.5 mm Miscellaneous Features Locking device keyhole (cable lock), administrator password, hard drive password, power-on password, asset ID, IBM Embedded Security Subsystem 2.0 Compliant Standards ACPI 2.0, ACPI 1.0b, FCC Class B certified, CE, MPR II, UL, BSMI, cUL, NOM, VCCI-II Operating System Microsoft Windows XP Professional Software Included Adobe Acrobat Reader, PC Doctor, IBM Rapid Restore Ultra, IBM Update Connector, InterVideo WinDVD, IBM Access Connections, IBM Access Support, Access IBM,(OEM) Battery Technology lithium ion Capacity 4400 mAh Average Run Time 5 hour(s) Installed Qty 1 Ambient Temperature Min Operating Temperature 50 °F Max Operating Temperature 90 °F Humidity Range Operating 8 - 80% Dimensions (W x D x H) Unit 12.2 in x 10 in x 1.1 in Weight Unit 4.9 lbs Warranty 3 Years Limited Warranty on parts and labor. IBM 23738TU Summary ********************************************************************************* NOTE...I DON'T BELIEVE THIS...I JUST TYPED FORTY MINUTES REPLY HERE and it instantly scrolled up like speed of lightning and disappeared like last night. I'll ATTEMP to try again later. So please don't reply yet as you need to read my discoveries in changing the RAM chip. Meanwhile, thanks again...take care. ~ ED ******************************************************************************* TRY #3...I'm Back :-) Your diagram showing where the RAM chip is located was right on. Thanks. Here's my DISCOVERY :-( The RAM chip installed was NOT a 512mg...but only a 256mg chip. The ads ans specs say it's a 512mg...NOT SO. I was lied to by either the manufacturer or refurbishing company who removed the original 512 chip and reinstalled a 256 chip. I was lied to by the Tiger Direct guy on the phone. There are NOT two chip slots...only one. So I now have a useless removed 256mb RAM chip. Replaced with the 1gb RAM chip I just installed. So instead of having 1-1/2 gb RAM, I only have 1gb. Here's the crux. To. go to 2gb RAM I'd need to buy a full 2gb RAM CHIP and discard the 1gb for which I just paid $39.99 ($45.00 with s/h). This means another output of almost a hundred dollars plus the $45.00 just wasted because they wont accept return once the sealed chip plastic was opened...even though I had no idea there was only ONE SLOT in this PC instead of TWO like the Tiger Guy said. Now...crux #2...this new 1gb RAM does nothing more to increase speed. I just watched a 2.01 MINUTE YouTube video which took a HALF HOUR to load, so I threw the money away for nothing, eh? There is no noticeable change except the 'speed' shows it now as 41.2 kbps instead of 40 kbps. Okay...now HOW do I get to speed this thing up to normal viewing in real time? I also saw an ad for 4bg RAM Gateway laptop with 120gb hard drive for $404.99 which is all suped-up with everything. I had to upgrade a LOT since I got this only four months ago...taking over a hundred hours to load it, like Internet Explorer 5 to 6 and then to 8 and now to 9. I'm using AVAST Anti-Virus, after trying for 23 hours to get ADVAR, then find out it didn't load because of problem on the servor's end. Added Firefox and upgraded twice. Loaded MS Protection but it created more problems so I deleted it...now with AVAST which I like. Soooo...I've literally spent over 200 hours to get this thng where it's at now, plus the wasted money for the upgraded RAM chip.and I still don't have increased speed. HOW do I get it? IF the processor has to be changed does this mean I have to gut the thing and install a new motherboard? If so, what kind of money cost are we talking here? I bought this four months ago as a refurbished unit only because I was able to get it on payments of only $25.00 a month. If I had to wait to get $400.00 cash I'd never have it. :-) Okay...that's it for the moment. Thanks much again for your help offering and detailed instructions...appreciate it more than you realize. Best Wishes And God's Blessings To You And Yours In Everything Always. Most Respectfully... ~ ED  ---------------------------------------------------------------- Javin007: Well, let's start with the RAM. If you're running windows XP, you can assume all the extra processes (virus scanners, and whatnot) will be eating up about 512 megs of the RAM. First thing to do is check DXDIAG again (start/run) and verify that it's now reporting the correct amount of RAM. (Don't be surprised if it's like 9 hundred something megs or slightly more. It won't report 1024 or 1 gig.) This being said, that will leave you with the other 512 for your applications. This box won't be running the latest and greatest 3D games, but I suspect it was never intended to. If the heaviest hitter you'll have running is along the lines of photoshop, the 1 gig of RAM you have now should be plenty sufficient. I wouldn't worry about getting 2 gigs. Not for this rig, anyway. Also, Avast is a great (and free) virus protection, every bit as good as Symantec's Norton, so good choice there. If your youtube videos are choking out, we need to start by verifying that it's an actual speed throttling problem. Go to www.SpeedTest.net and run the speed test. Come back with the results.

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