[mod] sd card speed fix...

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I found this: http://forum.xda-developers.com/show....php?t=1010807

All thanks to Brainmaster for whipping this up..

I will post the results I've had to save you a few steps...

I did his test mothod using root explorer and sd Tools and tested each one of his recommended settings..

(I have the stock SDcard that came in my showcase, i'm assuming it's probably the same in the Mesmerize?) It's a Samsung microSDHC class2 16GB..

I'm running the EB11pnp3 with voodoo lagfix enabled. The OP says you need to test these to see which one works for you. But I thought that if we have the same phone/same sdcard then it MAY be the same results...

so here's my Results:

128 3.7 MB/s "WRITE" 14.1 MB/s "READ" **This is what the phone is set to at default
1024 3.2/14.6
2048 5.1/14.4
3072 5.3/15.0
4096 6.7/15.0 <<<this is as far as he has listed and it gives the best results, Doubling the "Write" time and improving the "READ" time by a LITTLE!!!

I haven't tried flashing yet, still reading through the pages, but came across this POST.. Which may be the way we would have to make it stick past rebooting...

Maybe some of the SCH-I500's dev can take a look at this and improve it even more for us..

After Testing for hours, i could never get a reliable score with SD tools from the market.. I'm thinking this is just one more ****ty issue with the Galaxy S phones!!! Thanks Samsung, I'll never buy any more of your **** products..

Originally Posted by elijahblake

I found this: http://forum.xda-developers.com/show....php?t=1010807

All thanks to Brainmaster for whipping this up..

I will post the results I've had to save you a few steps...

I did his test mothod using root explorer and sd Tools and tested each on of his recommended settings..

(I have the stock SDcard that came in my showcase, i'm assuming it's probably the same in the Mesmerize?) I'll take it out and update which class it is/Brand/it's 16GB..

so here's my Results:

128 3.7 MB/s Read 14.1 MB/s Write **This is what the phone is set to at default
1024 3.2/14.6
2048 5.1/14.4
3072 5.3/15.0
4096 6.7/15.0 <<<this is as far as he has listed and it gives the best results, Doubling the Read time and improving the Write time by a LITTLE!!!

Maybe some of the SCH-I500's dev can take a look at this and improve it even more for us..

Is there any risk of data loss or card failure doing this?

Sent from my SCH-I500 using XDA App

Originally Posted by akellar

Is there any risk of data loss or card failure doing this?

Sent from my SCH-I500 using XDA App

not sure why there would be, you're just adding cache to the sdcard... and like the OP states, if you do this through rootexplorer it reverts back to factory after rebooting..

You have to do one of his methods to make it permanent...

There's also an app in the Market called SD Speed Boost which does the same thing. It doesn't require you to use Root Explorer to change the value and it has a Set at Boot option so no flashing from recovery is required either.

I bet you could use Tasker to automate this at boot time as well. Nice find, Elijah. I had seen the app, but I would rather do it this way.

Sent from my SCH-I500 using XDA App

Originally Posted by hanman

I bet you could use Tasker to automate this at boot time as well. Nice find, Elijah. I had seen the app, but I would rather do it this way.

Sent from my SCH-I500 using XDA App

If you flash one of the zips from the original post it is automated or if you use the app I mentioned it is automated, not really sure why you'd need another method to accomplish automation but to each their own. The zips just copy a shell script to init that set the value at each boot and the app just sets it when it runs at each boot. Of course the init route would occur prior to the app, but don't see much difference regardless of the chosen solution.

EDIT: Also YMMV with whatever option you choose to apply this mod. 1meg,2meg,3meg,4meg all yielded similar results for me, but I'm not using the Class 2 16gig that comes with the phone. I would imagine slower cards would see more of a benefit.

The reason I would rather use Tasker is to limit the number of things besides the ROM that I'm flashing to the phone (just to keep things as clean as possible). Plus, with Tasker doing it at boot, any future ROMs I install won't need any tweaking. I'll just have to import my profiles, which I'll be doing anyway.

ok flashing in CWM didn't work... It didn't hold the value change after rebooting..

And speaking of the app that does this... The Galaxy S isn't listed as compatible

http://forum.xda-developers.com/show...6&postcount=74

this post is interesting.. but the thing is that our phones don't have the /system/etc/init.d

Originally Posted by elijahblake

ok flashing in CWM didn't work... It didn't hold the value change after rebooting..

And speaking of the app that does this... The Galaxy S isn't listed as compatible

Just verified that the app does change the value to whatever I select. Could be that the author just hasn't tested on Galaxy S and therefore didn't risk saying that it was compatible. I mean were just talking file manipulation here, nothing more.

SN: I am not that author of the software nor do I know the author of the software. I'm just trying to help and I happened to know about the app cause I downloaded it a while ago. I know no one said anything, but as I read back over my post I did sound like a spokesperson for the app, lol.