Nowadays, the only weak point for S200 is that RAM is too few...
but could anyone could replace the RAM chip to make more RAM usable ?
very difficult, because cpu, ram, gps, 3g chips etc are embedded all in one.
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hi
i have tryed to extend ram capacity 64 mb making double ram ic s.
i have soldered another pair of 16+16 winbond chips on existing chips.
After rebooting xda ,it does not shows 64 mb ,it is the same 32 mb.
am i doing wrong or is there another way to increase ram?
i obtained these chips from the same board.
I think the only successful solution was by pda mods, this solution is both hardware and software, the memory appears similar to an sd card but is much faster.
is there any help avalible with drivers for 64mb ram?
As far as I know the drivers are keyed to the phone that has ram chips fitted by pda mods,. The driver will not work on other phones.
Has anyone looked into replacing the ROM chip (flash memory) in their magician (or any unit for that matter) with another one of higher capacity? This would be particularly useful if WM5.0 works its way onto the magician, as it uses ROM to store programs and data rather than RAM.
I know this would involce intricate soldering, but if RAM can be upgraded, surely the ROM can too.
Joe
You can not upgarde ROM chip becouse it in CPU
bull****.
do you even know what SoC, and CPU are?
RAM is on SoC, CPU has only cache memory -.-
tomba2k said:
bull****.
do you even what SoC, and CPU is?
RAM is on SoC, CPU has only cache memory -.-
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Are you trying to say that these devices hav SoC, hence the ROM cannot be upgraded?
I was trying to say hence these devices have SoC, memory SHOULD be upgradeable, because
cache memory is not what is the point, it's NAND or RAM, depending on the case.
Has anyone been successful in doing so?
So, the Transformer uses 1 stick of DDR2 RAM which is 1GB. I'm assuming it only has one slot for RAM anyways. But I know there are 4GB DDR2 sticks available. So why couldn't we manually do it? Sure, the thing seems more sealed shut than a laptop/netbook... So anyone know what speed the RAM is?
Sure, 1GB of RAM is more than enough for Honeycomb, but I'm thinking ahead; when Windows 8 is available, when we can run Ubuntu natively, and of course do other crazy, thought-provoking things.
You can never have enough RAM!
Wow that sounds like a really good idea.
Sent from my Transformer TF101 using Tapatalk
Memory is soldered to the board. Memory requirements for Android and Linux are far less than those required by Microsoft OS.
I am almost 100% certain that you cannot upgrade the RAM in the Transformer. With most modern mobile devices the ram module is directly soldered to the motherboard and not intended to be replaced.
Tf does not use a memory stick,but a module soldered to the board. In addition, the processor / OS may not support larger RAM space.
Rumbleweed said:
Tf does not use a memory stick,but a module soldered to the board. In addition, the processor / OS may not support larger RAM space.
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Click to collapse
Oh shoot that is right as well. Tegra 2 can only support up to 1 gig of RAM.
I have been using my Archos 101 tablet for a few months now, I quite like it, and have tried a few of the different android builds available to download. I am keen to try and upgrade the ram, as 256MB is not alot. This is the progress I have made so far, I hope that maybe other people can add to it. First step is to find a suitable ram module that has the same pinouts, and specs, but with larger capacity. The ram module is marked "OVA18 D9LBZ". Using Microns FBGA decoder We find that the full part number of the ram module is "MT46H64M32LFMA-6 IT:A". If we go to microns list of available low power DDR modules we can see that there are available a 512MB and a 1GB version. (note that they are listed in megabits, not megabytes, so the original 256 megabyte module is a "2gb" size, 512MB is "4gb" and 1GB is "8gb")
I am in the UK, and havent yet found a uk supplier, but I found the 1GB module available in the US for about 50 US dollars.
I dont know what the max ram limit of the cpu is, I have read somewhere that the OMAP3630 cpu can support max 1GB, but cant remember where.
Im my mind there are two further problems once the chip has been bought:
1. physically removing the old ram module and fitting the new one. my plan is to setup a spring with one end glued/fixed somehow to the top of the old ram module, and then put the mainboard in the oven, and once the solder melts the spring will pull the ram chip off. Or it might pull the ram chip and the cpu at the same time. Then put tiny bits of solder on all the pins of the new ram module, align it ontop of the cpu, maybe under slight pressure, and put it back in the oven and hope that all of the solder joints connect properly. Quite a few of the pins are not used, so we can get away with 1 or 2 pins not connected. One concern I have is that in the spec sheet alot of the pins are labelled NC for not connected, but several have DNU which I take to mean "do not use". If these end up connected aswell then will this work or not. Another idea is instead of soldering the new chip on, we could polish the pins on the cpu really smooth and also polish the pins on the ram chip, and build a clip/holder type device, it might be possible to run the system with the ram chip just held under pressure on the cpu. We would need to stop the chip moving sideways also.
2. There may be a firmware issue with the new ram module, the system may not recognize the ram chip at all, or only address 256MB of it, because that is what its expecting to be there. I have seen a tutorial on upgrading the ram on an xbox and this is the problem they had, the new ram runs fine but only the original amount that was installed can be used without significant software changes. Hopefully archos have not made it too difficult for us.
These are my thoughts so far, I hope we can make some progress, or at least work out why it cant be done before destroying any hardware. I have links to the FBGA decoder, microns list of lp ddr chips, and the supplier of the 1GB chip, but as this is my first post I am not allowed to post links yet! PM me and I will send you the links.
Hi! Scholbert is good in this staff ask him . Bye
Sent from my A70H firmware 2.4.82 root oc 1.1GHz using Tapatalk
To be able to support bigger memory both memory controller of OMAP and pcb itself MUST have additional address lines. I almost sure that OMAP has at least 512MB support but not sure if Archos did preparation for bigger memory chip on board.
Also replacing of memory BGA chip not so simple and may cost more than new tablet
I am hoping that the larger memory chips still use the same interface, and therefore the same pin layout as the 256MB chip, as the link for the datasheet for 512MB and 1GB modules is the same as for the 256MB chip. So I dont think any additional data lines are needed.
Yes im sure your right, buying a later tablet will have larger ram module as standard, but I just like to tinker with things
Wikipedia list a few phones that use the omap 3630 cpu, and therefore probably use a ram module soldered ontop as in the archos. The motorola cliq 2 has 512MB of ram, as does the palm pre 2, the nokia n9 has 1GB ram but is a fairly new phone and still expensive to buy. I am going to looking out for a damaged mobile (cracked screen etc) and hope that the ram module is intact.
PPCtech did such an upgrade for the venerable HP hx4700, for $130 including material and shipment.
You'll need rework equipment (special kind of heat gun, not that expensive ($60 is the cheapest)), in an oven you'll probably kill components that were added later on (audio jack etc) and can't stand heat.
If you have the right equipment, it's not that hard to do. You'll heat the RAM chip till you can gently pull it off. Then you'll clean the PCB of solder residue. Next you put on solder paste using a BGA screen made for the chip you want to use.
Then you put the new RAM ic in the correct position (using a microscope to align it correctly), and locally heat it using the heat gun.
Then you pray it worked, or retry (best with a new RAM chip, but they can stand quite some heat, so reusing should be possible).
Problem is that you don't know for sure it could work, thus it's unclear if the error was in the soldering or in the firmware....
Sweet project! Any updates?
How to increase 4g ram
You can't. SOC ( System on Chip) means CPU, GPU and RAM are all in one chip. Buy a new phone if you need more RAM