If you're looking to do a DIY memory upgrade on your brand-spanking new iMac, Apple's more than happy to tell you how. The Cupertino company has posted info in the Support section of its website telling people who aren't afraid to pop the hood on the new 21.5" and 27" iMacs what kind of memory modules the new machines use and how to install or replace memory modules themselves.

While it's not the public's first look inside the machines, Apple lets the world know that the iMac (Late 2009) has four SDRAM slots, where to find them, and what types of modules will and won't fit happily inside.

Would-be do it yourselfers can search Apple's site for support document HT3918. Godspeed – and Godcaution – to you.

[via Softpedia]

According to Ed Sutherland from Cult of Mac, three out of four Apple's NAND flash memory suppliers are feeling the strain as the company demands storage for its new line of iPhones.

Sutherland cites a research report by analyst Vijay Rakesh from ThinkEquity. Rakesh says that Samsung has set aside its inventory of NAND chips for Apple until April.

Hynix, another supplier, reported softer sales growth for its NAND chips, and Toshiba is having problems supplying customers with 56nm NAND chips. Apple's fourth supplier, Micron, wasn't mentioned in Rakesh's report.

Aside from a new iPhone handset on the way, what does this mean? Higher memory prices, for one. Rakesh said that he expects NAND spot and contract prices to rise.

Many analysts around the time of Apple's Q1 conference call said they had high hopes for a new iPhone during the first half of the year. Some rumors suggest June might be the target date for release.

Is it just me or is it pretty mindblowing what Moore's Law is doing to our computers these days? I remember when 64mb of RAM was great, and even a few years ago, I wondered why anyone would ever use 1GB of RAM (I've got 2GB in my gaming PC, and I still almost think it's too much). But apparently TidBITS has been doing some testing, and they've discovered that not only can the new MacBooks hold 4GB of RAM as Apple recommends for a limit, but stuffing a whopping 6GB in there is possible and doable. There are two DDR3 slots in the new MacBooks and MacBook Pros, and they come with either 1GB or 2GB in each DIMM slot.

TidBITS says you can switch out one of those 2GB DIMMs for a 4GB, and voilà, as long as they're the same speed and type, apparently almost everything is hunky-dory. TidBITS says there are two drawbacks: one, that dual-channel architecture requires identical DIMMs, so that's out if you're running a 4GB and 2GB configuration. Plus, it'll cost you an arm and a leg, especially if your leg is priced at around $600, which is what a 4GB stick runs. Even the DDR2 is pricey at that level (then again, if you don't like memory prices, just wait about five minutes, because that's basically how often they change).

And for some reason, there's an issue with running two 4GB sticks in there (for a total of 8GB), but TidBITS surmises that may be fixed by the time Snow Leopard rolls around. Personally, I'd love to see a program that needs 6GB of RAM -- maybe a high end 3D modeler or a financial simulator of some kind. But it's good to know that if you really need that much memory (and have the cash to spend on it), there you go.

Evernote has plans for your brain. More specifically, a vision for the the augmentation of your memory. Phil Libin, CEO of Evernote and a recent Mac convert (who's been enthusiastically replacing his relatives' PCs with Macs to cut down on tech support calls) filled us in on Evernote's big plans.

Originally, Evernote was a Windows desktop application for taking notes, and it was (and is) top-ranked in its class. Then they decided that a broader array of input options and more accessibility could take Evernote light years beyond the initial plans. This included creating a Mac desktop client and a web application to interface everything. It can take your text notes, web clippings, pictures and more, organizing them with a tagging system and attribute filter. The ultimate goal of Evernote is to be, as Phil puts it, a "universal human memory extension."

The Mac desktop client is being developed from the ground up, not ported from the Windows client. This makes for a true Mac experience and a beautiful interface. Feature parity will eventually be maintained (Windows users currently have a slightly different feature set), but the two clients are being developed separately. Read on after the jump to find out what makes Evernote different from your current system for tracking all the information in your life (and find out how you can get in on it!).

As good as OS X memory management may be, if you run your system for long periods of time without shutting down you'll likely see an increasing number of spinning beach balls as your uptime counter ticks away. When applications quit – especially big, memory-hungry applications – they often leave your RAM fragmented and unavailable to subsequently launched apps. The solution is generally a reboot, but if you're looking for something a little friendlier and less time-consuming, iFreeMem is a superb solution. The utility was just updated to version 2.0 with full Leopard support.

I'm a long-time user of iFreeMem. On my MacBook Pro with 3 GB of RAM, it can generally clear up about 800 MB (sometimes more) after I quit a long session in apps like Photoshop and Motion. And it's rescued me on numerous occasions where I've found myself with three or four MB free and everything starts slowing to a crawl. I just loaded version 2 and it's faster and more efficient than ever. Good stuff.

The author has signed up with Trial-Pay, which I can't say improves the image of the app or increases my respect for it, but it does provide one option to get a $19 application for free. In light of the overall positive nature of this post, I won't delve into my opinions on Trial-Pay and its ilk. Suffice to say that I'm a happy customer of iFreeMem who paid full price and have never regretted it. Oh, and the 2.0 upgrade is free for users of previous versions, you just have to re-enter your registration code. You saved it, right?

Get a feel for whether or not iFreeMem would save some reboots for you with a 15-day, fully functioning trial.

PC Magazine has given the iPod Touch a 5/5 score and their Editor's Choice award. High praise even from a definitely non-Apple source. Tom Gideon calls it "a thing of beauty," and says it's the best iPod ever. Well, no duh.

He does say a major drawback is that the WiFi store doesn't contain movies, but that's just a matter of time, isn't it? Otherwise, he says the store works great, and will allow for plenty of spur-of-the-moment music purchasing (which surely Apple will love). Gideon even spends quite a bit of time on what I really think is one of the most important features of the iPod Touch-- the Starbucks integration. Every time you pass a Starbucks, an icon shows up in the dock of the iPod Touch's iTunes WiFi screen, and that is huge. Advertisers with even a little bit of forward-looking ability are probably fainting at the thought of what they can do with what.

Strangely enough, Gideon doesn't mention the one problem I have with an iPod Touch, and the reason I'm sticking with my video iPod: the memory. 8 and 16gb are just embarrassing for a serious music player, whether the interface is amazing or not. For Gideon and other folks with only 16gb of music, obviously it's not a problem. But for us music lovers, who want to carry around our entire collection in our pockets, the current Touch doesn't cut it. Better to stick with a classic and leave the awesome interface for the iPhone.

Reader John L kindly dropped us a tip that Other World Computing has upped their Mac mini memory upgrades up to a whopping 3GB of RAM. And in fact, if you really want a Mini that flies, they'll even squeeze 4GB under the hood, even though they say the Mac Mini can't really handle that much.

The performance testing they did just completely confounds me, however-- in situations where lots of memory was needed (the "RAM Hog" setup), 4GB clearly beats everything else. In fact, in most of the regular testing-- the Photoshop test and the "Stress Test" the memory runs exactly how you'd expect: more memory means quicker processing. But in the last two tests, the Halo test and the Xbench test, the mini actually ran faster at just 1GB (which is what it ships with) than the 3GB, and almost as fast as the 4GB. The reasons for that are probably technical (too technical for me, although I'm sure our talented commenters have some answers), but it seems that in some situations, extra RAM just doesn't help.

Still, in situations that ask for a lot of memory, having more will definitely give you a nice bonus in speed, and it looks like the mini can now hold more than ever. When I buy mine (in October when Leopard drops, assuming Steve lets it live that long), I'll probably just double it to a reasonable 2GB. But if you want that extra power, it's good to know it's there.

Safari has been available on Windows for less than 24 hours, and already the hacker community is apparently tearing it to shreds. The Errata Security blog has been keeping track of a few announcements across the web, including a fully disclosed 0-day exploit that Thor Larholm apparently found yesterday within two hours of the software's release (and says more are "popping up like hotcakes"). And just to be clear on the use of 0-day exploit: it means Larholm found a way to execute any piece of code on a Windows box when Safari visits a properly crafted site to successfully exploit a vulnerability on the day the vulnerability was found.

What will this mean for Safari's reputation and traction in the Windows market? I'm not really sure yet. There are any number of reasons behind Apple's decision to develop Safari for Windows, and even though a healthy pool of tech-savvy users are already tinkering with it (for better and for worse), the real results will be seen once it reaches much more of the mainstream market. One of the primary reasons (besides making it easy for Windows-based web developers to write web apps for the iPhone, of course) for SafariWin, as some are calling it, is because that tiny little search box in the upper right of a browser has become quite a revenue generator if the browser does decently in the market. When users search through that box, the browser manufacturer makes some money off the resulting ads that are displayed along with that search. Firefox reportedly made around $50-75 million last year for Mozilla because of that little search box (not bad for an open source product, eh?). You don't have to be Internet Explorer to bring home at least some bacon for your company; heck, I would bet that Opera is still in business largely due to their search box as well.

But none of these reasons will mean anything, and Safari won't generate nearly as much revenue for Apple, if it doesn't gain at least a respectable share of Windows users who are actually firing up Safari to search, browse the web, view and click on ads. But If Safari keeps getting torn apart like this within 24 hours of a release, it could gain a terrible reputation before it ever hits the radar of a crucial portion of the general public. In this new web browsing and computing world where security is everything when you talk about a browser, Safari needs to plug these exploit holes ASAP if it plans to get any farther than the fleeting front page of digg.

If you've ever opened up your Activity Monitor and looked at the System Memory tab, you've no doubt seen something similar to the above. But if you're like me, you've often wondered just what the labels mean. Just what is wired memory, anyway? Well Alex at Bits about Bytes has a nice little article explaining just what those labels mean, how different applications (particularly virtualization tools) affect memory usage, and how to figure out if you need to add RAM to your system. Oh yeah, and wired memory turns out to be memory "used by the OS [which] is pretty much untouchable. Another application can't 'borrow' wired memory." Good stuff.

[Via FreeMacBlog]

Buzz has been flying for a while now around the hard drive's belated evolution into flash-based drives, much like the solid-state memory found in the iPod nano. Engadget has of course been covering this NAND flash memory for some time, while manufacturers have been demoing real-world notebooks that use them as early as March 2006. The advantages of these drives are far better power usage (meaning: much longer battery lives), faster seek times (meaning: stuff works faster), vastly improved durability (no moving parts) and even some claim "instantaneous" OS booting.

This all gets interesting when considering Apple's position, as they have one of the largest reputations with NAND flash memory manufacturers among PC makers, due to the success of the iPod. Sure, Samsung has been showing off their own flash-based notebook prototypes, but that's because they're cheating - they're one of the largest manufacturers of NAND memory. Apple's close relationship with these manufacturers is leading many to speculate that they could be one of the first manufacturers with a flash-based notebook, even as early as 2007, especially since Samsung is already selling commercial models with at least 32GB NAND drives baked in.

This is, of course, speculation, and when speculation comes from the rumor gurus, you'd darn well better take it with at least one, if not two, grains of salt. Besides, back in March, a 32GB NAND flash drive cost $900 alone at $30/GB. With the way things move in this industry, prices should undoubtedly be at least a little better by now, but the question of when they become appealing enough for manufacturers like Apple to start including them as standard parts is anyone's guess. If anything, I'll bet that we'll start seeing rumors of NAND-based MacBooks at Macworld San Francisco 07 once the season kicks in. Stay tuned.

iStat nano, a handy system monitoring Dashboard widget, has been updated to version 1.51b with support for CPU temps on Intel Macs. The one catch is that you'll have to install SpeedIt, a System Preference pane and kernel extension that allows this kind of functionality (and much more). We've heard nothing but good things about SpeedIt and the features it provides (such as controlling CPU whine by regulating voltage), but we'd understand if the thought of installing kernel extensions has already made you skip this post in your newsreader.

If you're still reading this, however, it seems both iStat nano and the SpeedIt kernel extension are provided free, so have at it.

[thanks Aaron]

Two of my favorite system monitor widgets have been updated: iStat pro 2.3 and iStat nano 1.5. The main new additions are drive filtering, as in: CDs, DVDs and .DMGs will no longer appear in the drive list, and support has been included for MacBook Pro batteries. Unfortunately, it looks like the temp and fan monitors don't support the MacBook Pros just yet.

Both of these widgets are available from iSlayer.net, apparently for free, as I can't even find a donation link. Also: their download links do point to these new versions, so don't pay any attention to the versions listed on their site, as it seems they haven't updated it to reflect these new additions just yet.

SysStat Nano is a great little system monitoring widget (similar to MiniStat 2) that gives you a quick, birds-eye view of various system statistics. Your processor, used memory, hard drive usage, IP and (very handy) external IP, amongst other things, are all at the press of a key.

While SysStat Nano offers an overview of various stats (pictured), it doesn't offer quite as much information as the aforementioned MiniStat 2. Either way, it's a darn handy widget, doesn't seem to hog too many cycles and, best of all, it's free.