AidenShaw
Sep 9, 10:56 AM
I just assumed that being 64-bit or 32-bit was a system wide principle, either or.
A 64-bit operating system is one that provides 64-bit virtual addresses to its processes. It requires a CPU that supports 64-bit virtual addressing. The C2D is such a CPU, and runs 64-bit code and O/S.
These humongous 64-bit virtual addresses need to be translated to a physical address to reach the actual memory. The 64-bit CPU has a list of pages of physical memory, and tables to map a program's virtual address to a physical page. Once that mapping is done, the 64-bit virtual address can be used as a "synonym" for the actual physical address. The mapping is per process - two processes can use the same virtual address without interference - the same virtual address refers to different physical pages depending on the process which is using it.
In the case of the Napa(32) chipset, the chipset only has 32 address lines, and cannot physically handle more than 4 GiB of RAM. Some of those addresses are reserved for I/O purposes (such as the 256 MiB that is mapped to the VRAM of the video card).
If you plug 4 GiB of RAM into a Napa(32) system, you'll "lose" the memory that is over-mapped by I/O space. For example, right now I'm typing from a dual-Xeon (32-bit Netburst) with 4 GiB of RAM installed. Windows reports that I have 3520 MiB of memory. I've "lost" a half GiB due to these I/O space mappings. (My 4 GiB Yonah laptop reports 3.1 GiB available - PCIe systems seem to reserve a lot more memory for I/O than PCI-X systems.)
Apple is apparently saying that 3 GiB is the limit, so that they don't have to explain PCIe I/O bus mapping to people calling to complain that OSX isn't using all 4 GiB.
____________
This virtual-to-physical mapping has some other implications:
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A 64-bit operating system is one that provides 64-bit virtual addresses to its processes. It requires a CPU that supports 64-bit virtual addressing. The C2D is such a CPU, and runs 64-bit code and O/S.
These humongous 64-bit virtual addresses need to be translated to a physical address to reach the actual memory. The 64-bit CPU has a list of pages of physical memory, and tables to map a program's virtual address to a physical page. Once that mapping is done, the 64-bit virtual address can be used as a "synonym" for the actual physical address. The mapping is per process - two processes can use the same virtual address without interference - the same virtual address refers to different physical pages depending on the process which is using it.
In the case of the Napa(32) chipset, the chipset only has 32 address lines, and cannot physically handle more than 4 GiB of RAM. Some of those addresses are reserved for I/O purposes (such as the 256 MiB that is mapped to the VRAM of the video card).
If you plug 4 GiB of RAM into a Napa(32) system, you'll "lose" the memory that is over-mapped by I/O space. For example, right now I'm typing from a dual-Xeon (32-bit Netburst) with 4 GiB of RAM installed. Windows reports that I have 3520 MiB of memory. I've "lost" a half GiB due to these I/O space mappings. (My 4 GiB Yonah laptop reports 3.1 GiB available - PCIe systems seem to reserve a lot more memory for I/O than PCI-X systems.)
Apple is apparently saying that 3 GiB is the limit, so that they don't have to explain PCIe I/O bus mapping to people calling to complain that OSX isn't using all 4 GiB.
____________
This virtual-to-physical mapping has some other implications:
briansolomon
Sep 5, 10:33 AM
I think I speak for most everyone when I say that feeling we used to get, before Intel processors were in the machines, is back.
kiljoy616
May 3, 01:05 PM
Does anything use Thunderbolt yet? Will anything ever?
http://news.cnet.com/8301-17938_105-20036002-1.html
Yes and anyway first you have to put it out there for other companies to make stuff for it. Business class 101 :rolleyes:
http://news.cnet.com/8301-17938_105-20036002-1.html
Yes and anyway first you have to put it out there for other companies to make stuff for it. Business class 101 :rolleyes:
EagerDragon
Sep 14, 08:00 PM
I have just received two copies of Aperture - what is Apple's policy on this - do I just have to go and buy upgrade two weeks later. :(
I suggest you return them quick.
I suggest you return them quick.
Peace
Sep 5, 05:36 PM
I never said the streaming isn't possible. I just said there isn't a HARDWARE device like the airport that makes this possible without a computer.
Having to leave a computer hooked up to the TV all the time (or drag over a laptop) isn't a convenient solution. An airport box with video output IS a new solution, and something not available now.
NOW you're on to something.Let's expand on that ;)
Where is the video out from the airport going to go ? The TV of course!
Now..
Why not just make a Mini type box with 802.11n with DVI/HDMI/S-Video and Digital/Analog out ports.Connect that to the tv then stream from your computer or the movie store.While we're at it toss a hefty HD in the mini for recording.
It's much more convenient too.Just sit on the couch and surf Front Row for movies then buy it and send it to the tv.POW! one step..
Apple IS about ease of use..
Having to leave a computer hooked up to the TV all the time (or drag over a laptop) isn't a convenient solution. An airport box with video output IS a new solution, and something not available now.
NOW you're on to something.Let's expand on that ;)
Where is the video out from the airport going to go ? The TV of course!
Now..
Why not just make a Mini type box with 802.11n with DVI/HDMI/S-Video and Digital/Analog out ports.Connect that to the tv then stream from your computer or the movie store.While we're at it toss a hefty HD in the mini for recording.
It's much more convenient too.Just sit on the couch and surf Front Row for movies then buy it and send it to the tv.POW! one step..
Apple IS about ease of use..
ChazUK
Mar 29, 01:13 PM
what the heck LOL, this is a joke right? I have NEVER seen a single new windows phone being used in public nor do I see that many Android devices in the UK. mostly I see
1. BlackBerries
2. iPhones
never seen a new windows phone LOL, most people who are happy with iPhones etc, will stick with them and won't bother going for anything else.
Looking at the email notification I got of your original list before your edit:
1. BlackBerries
2. iPhones
3. HTC'S <--- Those would be your Android/WP7 phones. ;)
4. Nokia N-Series
1. BlackBerries
2. iPhones
never seen a new windows phone LOL, most people who are happy with iPhones etc, will stick with them and won't bother going for anything else.
Looking at the email notification I got of your original list before your edit:
1. BlackBerries
2. iPhones
3. HTC'S <--- Those would be your Android/WP7 phones. ;)
4. Nokia N-Series
MacMan86
Apr 12, 06:03 AM
I run XBMC Live on an Acer Revo connected to my TV in the entertainment room that plays any 720p and 1080p media I throw at it. I don't own an Airport Express. I don't invest in an Apple ecosystem. This stuff needs to be OPEN! :D
I want to have ONE device that does it all (my Acer Revo) versus having to buy a number of overpriced Apple devices and/or software to get this to work. :)
Don't pretend you actually care about 'open'. To you, 'open' simply means 'free'. I'm going to make a stab in the dark and make the logical assumption that all your '720p and 1080p media' is torrented videos. Please, correct me if I'm wrong :rolleyes:
To me, it just sounds like yet another person wanting everything but willing to pay nothing. What a sustainable model that is...
I want to have ONE device that does it all (my Acer Revo) versus having to buy a number of overpriced Apple devices and/or software to get this to work. :)
Don't pretend you actually care about 'open'. To you, 'open' simply means 'free'. I'm going to make a stab in the dark and make the logical assumption that all your '720p and 1080p media' is torrented videos. Please, correct me if I'm wrong :rolleyes:
To me, it just sounds like yet another person wanting everything but willing to pay nothing. What a sustainable model that is...
aiqw9182
Apr 22, 02:05 PM
Netbooks do not have optical drives. Ultraportables do.
The MBA looks good as a netbook. It looks bad as an ultraportable.
MBA and MBP are two different markets.
MBA is for people that want light. MBP is for people that want a full featured notebook.
So you want a big MBA.
If they could have the same processors, that would happen already at 13".
So, ONE netbook which has an optical drive. Which makes the MBA look bad because it doesn't have one.
Actually, most netbooks make the MBA look bad because it doesn't have gigabit ethernet.
And a 15" Zacate which is not a notebook because the CPU is too weak, it's not a netbook, and it's not an ultraportable because it's too big would make an MBP without optical disk look bad because of the price, even if it has little reason to exist (unclassifiable in a bad way).
I heard the name HP Envy, but I never bothered looking what it is. So yes, I ignore it.
So, if there's no option to have heated seats in the Audi, that looks bad.
My god, I haven't found myself reaching for the ignore button on this forum in a long time. You've just reset that timer.
The MBA looks good as a netbook. It looks bad as an ultraportable.
MBA and MBP are two different markets.
MBA is for people that want light. MBP is for people that want a full featured notebook.
So you want a big MBA.
If they could have the same processors, that would happen already at 13".
So, ONE netbook which has an optical drive. Which makes the MBA look bad because it doesn't have one.
Actually, most netbooks make the MBA look bad because it doesn't have gigabit ethernet.
And a 15" Zacate which is not a notebook because the CPU is too weak, it's not a netbook, and it's not an ultraportable because it's too big would make an MBP without optical disk look bad because of the price, even if it has little reason to exist (unclassifiable in a bad way).
I heard the name HP Envy, but I never bothered looking what it is. So yes, I ignore it.
So, if there's no option to have heated seats in the Audi, that looks bad.
My god, I haven't found myself reaching for the ignore button on this forum in a long time. You've just reset that timer.
bredlo
Apr 22, 11:39 AM
Love the style and miniaturization being tested out in the Air line. I'd never seriously consider one though unless they made a 15" version. I've been buying mid-size Mac laptops forever, going back to the 14" Wallstreet.
With my need for real estate (graphics and video editing) and limited use of optical drives and lots of I/O ports on a daily basis, that thin form factor and big screen would be just perfect for me.
Think it over Apple - thinner is better, but so is bigger!
With my need for real estate (graphics and video editing) and limited use of optical drives and lots of I/O ports on a daily basis, that thin form factor and big screen would be just perfect for me.
Think it over Apple - thinner is better, but so is bigger!
Eraserhead
Apr 11, 12:25 PM
Why not to imperial?
Because its **** as it doesn't have straightforward unit conversions and because everyone else in the world other than the US (and for a small number of things the UK) uses metric.
I guess the issue is that changing over to miles per litre would be worse, and litres per 100 kilometres is the other way round so difficult to get your head around if you're used to miles per gallon.
Because its **** as it doesn't have straightforward unit conversions and because everyone else in the world other than the US (and for a small number of things the UK) uses metric.
I guess the issue is that changing over to miles per litre would be worse, and litres per 100 kilometres is the other way round so difficult to get your head around if you're used to miles per gallon.
AidenShaw
Sep 9, 10:01 AM
Good - now we won't have to wade through any arguments with fanbois who claim that the iMac is the "most powerful desktop on the planet"....
:D
:D
vitaboy
Aug 24, 04:37 AM
You have to wonder how tenuous Apple's position was considering that they have settled so early (in huge lawsuit time). 100 million dollars is a lot of money to spend to get Creative off their back.
Hardly any at all. Apple has $10 billion in cash in the bank.
Even at a measily 3% interest, Apple will make $300 million in interest alone, not accounting for the fact that they are adding about $3 billion to their cash horde per year.
To look at it another way, iPod will generate tens of billions of dollars in revenue going forward for Apple. For Creative to settle for a measily $100 million out of tens of billions means they were desperate/forced to settle. Considering Creative all but accused Apple of stealing their design to make the iPod, settling for pennies on the dollar is not a sign that Creative was bargaining from a position of strength.
Rather, it was Apple probably dictating the terms.
Look at it another way. RIM - the makers of Blackberry - settled with NTP for $450 million after spending tens of millions of dollars and years fighting NTP in court. NTP, like Creative, claimed RIM infringed on important patents in making the popular Blackberry device.
During fiscal RIM made $2 billion total revenue. That's about as much iPod makes each quarter.
In other words, NTP was able to extract 4.5 times the licensing fee for a product that generates just 1/4 of the iPod's revenue.
I don't think it was Creative who won here. Creative, most likely, was desperate to settle so it could move onto other, more important battles, like figuring how it can survive the Zune onslaught (which is why becoming a paying member of the "Made for iPod" club is suddenly significant).
Hardly any at all. Apple has $10 billion in cash in the bank.
Even at a measily 3% interest, Apple will make $300 million in interest alone, not accounting for the fact that they are adding about $3 billion to their cash horde per year.
To look at it another way, iPod will generate tens of billions of dollars in revenue going forward for Apple. For Creative to settle for a measily $100 million out of tens of billions means they were desperate/forced to settle. Considering Creative all but accused Apple of stealing their design to make the iPod, settling for pennies on the dollar is not a sign that Creative was bargaining from a position of strength.
Rather, it was Apple probably dictating the terms.
Look at it another way. RIM - the makers of Blackberry - settled with NTP for $450 million after spending tens of millions of dollars and years fighting NTP in court. NTP, like Creative, claimed RIM infringed on important patents in making the popular Blackberry device.
During fiscal RIM made $2 billion total revenue. That's about as much iPod makes each quarter.
In other words, NTP was able to extract 4.5 times the licensing fee for a product that generates just 1/4 of the iPod's revenue.
I don't think it was Creative who won here. Creative, most likely, was desperate to settle so it could move onto other, more important battles, like figuring how it can survive the Zune onslaught (which is why becoming a paying member of the "Made for iPod" club is suddenly significant).
QCassidy352
Sep 12, 02:14 PM
all good improvements, but pretty disappointing considering that the 5G was approaching 1 year since release.
Repo
Apr 30, 03:48 PM
Curious that everyone is clamoring for a thunderbolt-enabled machine, but there isn't a single thunderbolt drive available on the market.
Apple did the same thing with USB.
Apple did the same thing with USB.
weg
Aug 29, 02:25 AM
all the people who said it's only marginal at best can stick it where the sun don't shine!
The only place where I can use my PB 12"...
The only place where I can use my PB 12"...
whatever
Oct 12, 02:01 PM
Please CAN IT!
CAN IT!
My god we cant talk about anything on this board without the core 2 duo macbook/pro crew coming to mess up a thread THAT HAS ABSOLUTELY NOTHING TO DO WITH LAPTOP UPDATES
CAN IT!
:mad:
And maybe they'll add the Mac Pro Mini Tower.....
Only joking.
CAN IT!
My god we cant talk about anything on this board without the core 2 duo macbook/pro crew coming to mess up a thread THAT HAS ABSOLUTELY NOTHING TO DO WITH LAPTOP UPDATES
CAN IT!
:mad:
And maybe they'll add the Mac Pro Mini Tower.....
Only joking.
destroyboredom
Mar 30, 01:06 PM
And what does that have to do with the app store trademark? He doesn't mention "app store" does he?
No mention of App store. I was just watching the video recently and found it interesting.
No mention of App store. I was just watching the video recently and found it interesting.
abrooks
Sep 26, 08:46 AM
Did you even read the link?
Speculation is that O2 will have the exclusive rights to the iPhone in Europe. You can correct me if I'm wrong, but I think O2 is somehow connected to Orange. So it looks like the iPhone will have a carrier in Europe and the UK.
Corrected because your wrong, no connection between Orange and O2.
Speculation is that O2 will have the exclusive rights to the iPhone in Europe. You can correct me if I'm wrong, but I think O2 is somehow connected to Orange. So it looks like the iPhone will have a carrier in Europe and the UK.
Corrected because your wrong, no connection between Orange and O2.
cmaier
Nov 17, 04:46 PM
I had an app rejected because the icon was a cartoon of the presidential seal where the eagle, in one claw, was holding an iphone-looking phone, which I drew myself, and which was probably 12 pixels x 6 pixels or so in size (in an overall icon that was 57px x 57px.)
But apparently including a 3/4 scale photo of an iphone is fine.
Whatever.
But apparently including a 3/4 scale photo of an iphone is fine.
Whatever.
iJohnHenry
Apr 17, 09:04 AM
Yeah man, one of my biggest incentives to put my money on the line and open a small business is that I have the opportunity to pay someone to not work for a year.
Your choice, entirely.
Sorry we are not "Republican" enough for you and your money. :p
Your choice, entirely.
Sorry we are not "Republican" enough for you and your money. :p
TomCondon
Mar 30, 12:08 PM
Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8F190 Safari/6533.18.5)
There's a place in my town called "fresh fish".
Now THAT is a generic term.
There's a place in my town called "fresh fish".
Now THAT is a generic term.
LagunaSol
Apr 28, 03:53 PM
Windows 7 is awesome
"Awesome?"
*jumps into Windows 7 in Parallels to check it out again*
"Awesome???" :confused:
"Awesome?"
*jumps into Windows 7 in Parallels to check it out again*
"Awesome???" :confused:
jessica.
Apr 4, 12:04 PM
Seems unfair to kill someone for robbery. Yes they're breaking the law, but only deserve a prison sentence. Do you really really think someone should be shot and killed for attempting to steal a few laptops and smash a few windows? If you do then man you have issues.
Seems someone doesn't bother to read the article before he responds.
Exchanging gunfire usually results in someone being wounded or killed. Quite frankly, I'd question whether the guard meant for the shot to hit the head or if this was an oddly lucky shot. It really depends on how much training he has had. Kudos for staying alive. Criminals need to understand that their chosen profession comes with risks.
Seems someone doesn't bother to read the article before he responds.
Exchanging gunfire usually results in someone being wounded or killed. Quite frankly, I'd question whether the guard meant for the shot to hit the head or if this was an oddly lucky shot. It really depends on how much training he has had. Kudos for staying alive. Criminals need to understand that their chosen profession comes with risks.
ipedro
Aug 23, 07:16 PM
Maybe not, but why do I think Apple could have bought the entire company for that kind of dough?
They still can. Apple can turn around tomorrow and buy Creative for what it's worth and would have in essence paid itself the $100M. :D
They still can. Apple can turn around tomorrow and buy Creative for what it's worth and would have in essence paid itself the $100M. :D