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> What is it with this low memory on P990i
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On 2006-10-22 00:32:38, einst wrote:
So let me get this right then..
Disregarding the MS....
phone has 60MB internal memory for storage of progs, mp3's, try&buy, etc
AND xxMB of ram for running OS and progs.... ??
Sony only mention 60MB on their website, and on the phone it only shows 62mb (16mb used, 48mb free)
John
that's right.. i think the p990 is 64 mb is ram.. about 20 is available to the user.. the rest is used up by the system UI.. you'll have to check the "detailed" spec sheet...
they don't throw the ram number around on any smartphone cause i think it confuses people lol
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Posted: 2006-10-22 07:37:01
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Hi,
20MB at boot time is too optimistic. In fact, even M600i, w/o the camera and wifi modules, are only left with 19MB at boot time.
Very sadly... the P990i only has 15MB each time we booted up the phone. To check available RAM memory, in flip closed mode, click on the button above the "C" then scroll to "Status". One will realise that even with 15MB or RAM memory at boot time, just by starting a few applications like contacts, calendar, messaging and perhaps control panel, will very quickly eat up a lot of the RAM memory, and you are probably left with around 7MB at this time. This is only starting up those apps, cos when a user started using these applications, more and more RAM memory will be eaten up very quickly
It will come to a point when the the RAM memory goes too low and the OS will just kill off everything that is running in the background.
NK S60 3rd edition devices like E61 also comes with 64MB RAM memory like the P990i/M600i/W950i. However, most of S60 3rd edition devices have around 22MB - 25MB at boot time, thus giving the users more RAM memory for their usages, hence they can effectively multitask more applications simultaneously
I am just hoping that SE can work out some magical firmware for the UIQ 3.0 devices, and give us at least 25MB at boot time for all their devices... actually, I am hoping for 32MB, which some says I am too greedy...
Some of us had posted our complains at SE's developer's website. Check it out here for more info on RAM memory issues on UIQ 3.0 devices, especially the P990i:
http://developer.sonyericsson[....]d.jspa?threadID=33163&tstart=0
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Posted: 2006-10-22 13:43:04
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the windows mobile devices have the slider thingy einst talks about. it is just retared symbian os that has not implemented it. even my 6 year old pocket pc 2000 has the slider, how lame does this new memory management sound then? its like se have gone back in time or something.
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Posted: 2006-10-22 14:26:00
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@Johnex
WM5 don't have this mechanism as they have adopted the persistent memory concept used on Symbian devices. I have many friends who keep losing data on the older WM devices that used volatile 'ram' which also acted and data memory
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Posted: 2006-10-22 14:43:00
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Yeah, but the later pocket pc 2000 devices also had a backup battery just for the memory. So all the problems that SE are having now did not exist.
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Posted: 2006-10-22 15:00:39
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@Johnex
Ask youself why M$ are now using the Symbian memory model
Hint: data, lost, pissed-off people
_________________
[ This Message was edited by: Jah on 2006-10-22 14:29 ]
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Posted: 2006-10-22 15:28:35
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And isn't handicapped phone usage even worse? The ms people could use the phone and just go regular backups, while we can barely use the phone at all.....
Choose your pick man
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Posted: 2006-10-22 15:44:50
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i hate p990i like a tortoise , big heavy and slow
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Posted: 2006-10-22 16:02:19
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@Johnex
no no no...you don't understand. The same model was used in the P800, P900 and P910. With the P910 you could open lots and lots of apps and not have a RAM shortage. SE and Nokia use different memory chips now that means RAM and ROM is used in a different way and this has resulted in the problems with lowish RAM. The actual *persistent memory* model is sound and that is why PalmOS, WM5 and Symbian all now use the same system (not volatile memory). Symbian were the first to use it. The problem is UIQ3 is bloated and leaks. We only need about 20MB of RAM without leaks to use the P990 with no real difficulties.
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Posted: 2006-10-22 16:07:13
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A very strange thing is... M$ and HTC seems to have learnt their lessons from the tons of complains for their older WM devices. Hence from WM5 onwards, HTC seems to be using the same memory type as P910i/P900/P800 on all their designs. SE, however, went backward and uses the same kind of cheaper memory types that older generations of WM devices are using, specially for all their UIQ 3 devices
Because the cheaper type of memory modules does not support Execute-in-Place (XIP) as the ones used in P910i/P900/P800, all applications (including Symbian OS itself) needs to be loaded at boot time, hence taking up a substantial amount of RAM memory space out of the 64MB of RAM memory that is available on UIQ 3 devices today. This explains why the P990i, having a "whopping" 64MB RAM memory in theory, ended up having left with only a miserable 15MB after the OS and all its applications are all booted up. This also explains why UIQ 3.0 devices took such a long time to boot up, because each time the phone is started, up to almost 50MB of OS and application files are being loaded up into the RAM memory... so how fast can the boot time be
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Posted: 2006-10-22 16:15:06
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