Microsoft said in WIN2003SE it's always recommended to install mostly used programs into MAIN memory cause it's way way way faster than the extended rom or storage card. So on my old PDA2k I installed regularely used programs like Pocket Informant, Voice Command etc.. on the internal memory for enhanced speed.
I was wondering if anyone knows/ did benchmarks of Read/Write/Access Speed of all 3 memory mediums available to us JJ/Exec users ? That is Internal memory, Extended Rom (Which was unlocked thanks to buzz) as well as an SD Card.
Thanks guys
MOBILER
I have a 60x SD card - at least I am TOLD it is a 60x card - but Pocket Mechanic benchmark tells me it is just 4x. (Perhaps someone else who has PM could give us THEIR SD card benchmark figures for comparison?)
It was suggested on this forum the problem might not be in the card but in the SD port. If so, the Universal's SD port could be a serious hindrance to good performance.
Related
Hi there.
I'm quite new in PPC world, so forgive me if my question sounds silly.
Can you please tell me what's the difference between SD and MMC cards? I mean some practical difference as far as concerns MDAII. Does one of those work better on MDAII or faster or anything? Is it only for storage purposes or it is also for software instalation?
Please enlight me.
http://asia.cnet.com/reviews/handhelds/0,39001709,39008492,00.htm
http://www.geocities.com/romidar/mmcvssd.htm
http://www.davespda.com/hardware/expansion/cfmmcsd.htm
http://www.google.dk/search?q=sd+vs.+mmc+&ie=UTF-8&hl=da&btnG=Google-søgning&meta=
as a rule sd is faster but the new mmc of 1gb seem to be much faster then other mmc and i think faster then sd aswell
you can install many programs to the storage card but not all works when not installed in the main mem
and if you pull the card out those programs dont work of cause and if they are programs that run all the time like today items then they would act up
I really appreciate your assistance Rudegar. Thx!
Me Too..
Thanx
Hi all!
I'm Markino from Italy and I've got some question about I-Mate Jam.
I don't undertand the memory management of this device: how the RAM-ROM and MMC are used by the Windows Mobile 2003 SE? If I install an application, where the files are stored? If the battery drops down what I'll lose?
Many thanks and sorry for my bad English!
Marco
Marco, in theory you should let Windows to manage your memory. The i-mate JAM has 64MB of ROM and 64MB of RAM. The ROM is mostly occupied with OS and other 3rd party software that installs automatically when you hard reset the phone. Part of this ROM is also used when using the "Permanent Storage" feature of the OS, where it lets you save some files, contacts, etc.
What should really interest you is the RAM. The OS uses this RAM for running programs (like the RAM on your PC) and the rest is used for storage. If you go to Start -> Settings -> Memory, the OS will tell you how much of your RAM is being used for Running Programs and how much is used for Storage.
The safest place for your data would be an SD Card, as anything stored on the SD card will stay in tact after a hard reset.
Thanks kta! You're great!
Well.. in your opinion what is the best way to use the Jam's RAM with a 512MB SD installed?
I can configure the device to use all the RAM space to run program and store all the file and app. in the SD or it's better to use a part of RAM to some particoular application?
The SD Ultra II are really faster in the Jam?
The more free RAM you have the faster your mobile works. I would suggest installing most of your programs on the storage card. Before installing a program make sure that it can run smoothly on an SD card. Most programs do work well when installed on the storage card so it shouldn never be a problem.
Having said that, RAM is MUCH faster than an SD card, although modern SD cards like the UltraII give over 9MB per second (66x) write speed.
A more complex option (the one I'm using) is to install a hacked ROM (aka Big Storage ROM) where you will be able to gain an extra 27MB of Storage (i.e. in RAM). You can then use this storage space for installing programs and these should work slightly faster than when installed on an SD card. However, installing the hacked ROM requires some experience with ROMS and would not suggest you go for it unless you want to end up with your JAM stuck in bootloader mode :wink:
With regards to SD cards, the faster the speed (i.e. 40x, 66x, 133x) the better.
And if you intend to use your JAM as an MP3 player I would suggest going for a 1GB or 2GB SD card. The price difference usually justifies the extra space! Before buying a 2GB card, check these forums for compatibility issues as some of them did not work on the JAM.
Hope I didn't confuse you more!
SD card speed on the JAM makes no difference for operating the device, since the JAM can only read/write the SD card at the standard speed - buying a faster card makes no difference.
A faster card is useful if you frequently copy large files between your SD card and your PC, but for the JAM it makes no difference.
have a Qtek 9100 with 48MB internal memory and a 2GB add on card.
which programs & files should i install where?
if i install everything to the add on card, will my programs use the internal storage for program memory?
does it matter?
what is the relation between internal storage and program memory?
thanks for the great forums. i hope to contribute.
Qtek 9100 FR
flashed with WWE ROM 1.6.7.1
2GB Mini-SD from Moby Memory
Voice Command (UK female voice, love it!)
Hi there casemon...
To take your topics one at a time:
Some programs do not like being installed to the add-on card. The majority of the time when I tried to do that it caused more headaches than it was worth. In the reality of things, the concept of additional card storage was for keeping large accessory files such as music or maps so that you didn't have a large volume of data clogging your handheld. This is program-specific, so it is hard to say which ones will let you do that and which ones won't. I even had difficulty storing maps for MS Streets and trips on the SD card, as the program itself (which I installed on the handheld) kept losing the location of the maps.
Your handheld should be keeping tabs of available memory and readjusting storage and program memory as it goes along, however I find them to be a little too conservative with the program memory and usually end up tweaking it myself, which you can do just by moving the slider over a bit.
The relationship between internal storage and program memory is that you have only the alotted memory on board both for storing your programs and running them. The handheld keeps tabs on its memory availability and keeps a portion of it aside just for running programs. However, as I said above, they tend to be a bit too conservative, as I have had programs stall out midway. A quick tune up to the memory slider solves the problem every time.
Hope I was able to answer your questions. Take care.
Bacharette: your post is true for WM2003SE, WM5 works differently. Storage is there for storing apps and data, RAM only for running them and not for storing. In WM5, you can cram all of storage full of apps without effecting your device's RAM. I install most programs in ROM, only apps I seldom use I put on SD. Be aware that today plug-ins do not like to be installed on SD, better put them in your storage ROM. All other apps can go on SD or in ROM, but it makes no difference in your RAM.
The relationship on WM5 between storage and program memory is as follows: all files are stored in ROM, than loaded in RAM and run there till you close them. As long as you do not run too many apps at the same time, your RAM will not fill up very fast. Best advice is to use a taskmanager to really close apps as soon as you are done with them, thereby freeing up RAM.
Because ROM is storage place for apps and data, you will not lose them in case of empty battery.
thanks Bacharette & Koksie, that clears it up for me.
on a related note, another post in this forum is heating up about hacking your ROM to be smaller! check it out here;
http://forum.xda-developers.com/viewtopic.php?t=34171&postdays=0&postorder=asc&start=0
haven't tried it yet, but it's interesting. what a great site!
Qtek 9100 FR -flashed with WWE ROM 1.6.7.1
2GB Mini-SD from Moby Memory
Voice Command (UK female voice, love it!)
Hey,
I Was wondering
If there's downside installing programs to EXT_ROM ??
It's all free on my Jasjar and I did already install several apps there.
Is there any performance issue installing to ext_rom ??
Is it the absolutly the same Read/Write/Access time speed as Main memory ??
I was thinking maybe installing frequently heavy apps to main memory will have a benefit over extended_rom installations.
Regards,
MOBILER
nobody ?
dunno about main memory verus extROM speed, but suspect they would be similar. I woudl recommend installing as many apps as possible to your storage card. I have a 4Gb fast SD card and don't notice any particular problems
It has been the same for me.I have a few programs that start with the start up after coming out of sleep mode that do not lag and boot up just fine.Seems like they carry the same speed as the applications on my main memory
Thanks.. that's what I assumed, but I'm still not sure. It would seem logical that the chips are the same and that only software makes 10mb of it hidden and called extendedrom. I just like to give speed requiring prg such as Voice Command the best possible perfomance they need.
Hi there,
I've just become what I thought was a proud owner of an Orange M600. Their May catalogue says it has 128 Mb internal memory, the website says 64Mb. When I check the memory tab, the storage total is 42.55Mb (I've used 38.53), Program total 44.01Mb (used 28.35)
I was going to replace my O2 XDA 2S (Blue Angel) which comes with 128Mb.
Having installed about 4 out of my 7 must-have programs, i'm getting sync errors for out of space. It's a gorgeous phone, but is there ANY way of getting/unlocking more on-board memory, else I guess I'll be returning it.
What have other users done to combat low memory, is it just to install everything on the SD-Card...?
Please help/advise.....
TIA
You need to think of your M600 in PC terms - that is you have a hard disk (storage) and you have RAM (program memory). The storage is just that, for storing programs and data. Program memory is where your programs run and the more memory you have the more programs you can run simultaneously.
You will most likely want to get a storage card and install your applications here thus freeing up some internal storage space. An SD card works just like your storage space, so if you felt like it you could buy a 4GB sd card and have huge amounts of storage space. So far all my applications have installed and run fine from the SD card with the exception of AvantGo, which seems to want to remain in main storage. But generally just install on the SD card.
As for memory, mine is often less than 10MB free, but Windows will close programs automatically to free up additional memory as and when needed. My advice would be to not become obsessed with the memory and just let WM5 do its job, alternatively there are a number of task managers that let you actually close programs and free up memory rather than just minimising them, however, so far for me WM5 is doing a good enough job...
Digger is right. I install everything on Storage Card except the PocketZenPhone today plug-in.
Everything works just fine.
Storage cards are getting cheaper all the time. 8)
Digger, TheBrit
Thanks for your advice. I think you've convinced me to keep the phone. I guess pretty much all other pda phones are on the market at the mo with 64Mb memory, and i do like the sleek look of the M600.
Advice much appreciated...
J