Database Users

What speed SD for the Universal?

I havent looked too deeply into this, preferring to ask like .. So please don't eat me.
Its late and all ..
I'm wondering what speed the SD card reader in the Universal is?
Is it worth spending a little extra on some 60x Corsair SD cards or should I just get the bargain bin stuff since the Universal maybe doesnt have a particularly quick card reader?
Any advice welcome. I plan to use this is a system disk with seperate 512 card for my MP3's and pod casts/documents. THAT will be cheap stuff.
But for the main I need a 1gb system disk for storing apps and system stuff.

Compared to a dedicated USB card reader for the PC, the Universal is extremely slow - I have tested this with my 150X 2GB SD card. So unless you plan on using it with a PC card reader, it doesn't really matter
Accessing the SD card through activesync was at least 10 times slower than the card reader...

I did a small test with Pocket Mechanic.
1. My "normal" 2 GB sandisk gives 0.84MB/sec
2. My super duper Extreme III Sandisk 1 GB gives me a whopping 0.88MB sec.
Nr . 2 card, in my portable, writes files much, much faster than nr.1.
You can see however that in my Jasjar the difference is nearly zero.
I would say: go for the cheapest, but I am not a great technician.
Huib

Thanks guys ..
Very informative and will help me get the right card. ie. the cheapest!
-Gubbs

Hi
I have not noticed any difference between a basic Sandisk card and a so called 66x KingMax card when used in the exec.
I do notice a difference between these two cards when using them with my digicam - the multishot mode (2 frames/sec) actually works cause the camera is able to write to the card quickly enough. With the slow card, cam kept pausing to write its cache onto the card.
I am not sure that pocket mechanic tells the truth! Likewise, timing a copy from the internal flash to an SD card is not gonna give accurate results (speed of internal flash may be bottleneck). On Wm2003 devices this was possible cause RAM is loads faster than flash still.
You cant test the speed of the SD reader in the exec over activesync tho!! Its a USB 1.1 device (max 11Mbit) and on top of that activesync treats it as a 10Mbit network card. Max you'll see after overheads is thus around 1MByte/sec
Nigel

veletron said:
Hi
You cant test the speed of the SD reader in the exec over activesync tho!! Its a USB 1.1 device (max 11Mbit) and on top of that activesync treats it as a 10Mbit network card. Max you'll see after overheads is thus around 1MByte/sec
Nigel
Click to expand...
Click to collapse
Certainly much better to do it that way.
Huib

ok i m having problem to decide as well...
anyone has a more concrete data about this ?
i m thinking whether to choose a normal 66x or 133x ...
getting 2gb sd card.. either transcend or pretec...
by the way exec sd slot is 1.01 or 1.1 specification?
hope someone has a benchmark to share.. thanks

1gb Scandisk does the job for me.
Watched a movie on it the other night, perfect. Plenty fast enough.
Its HTC so you can be assured it will be genius design with cheap crap chipset.
Bit like an Italian sportscar.

get one of those sd-usb card combo's....if u can find one going at a decent price.
saves the hassle of card readers. the LAST thing anyone needs is yet another wire lol

SDHC Cards? Still none the wiser?

I have searched on here and read the various threads on SDHC cards and I am still none the wiser
In the Wizard Accessories forum there is a 5-page thread about users experiences with what does and doesn't work - the problem is there is contradicting information. I thought I was getting somewhere with later units supporting SDHC and earlier ones not (serial numbers), however half way through the thread someone with an older Wizard says they have it working.....
Are there any difinitive answers to whether 4GB SDHC cards work in the Wizard, and if so does it need to be a G4, does it need to be manufactured after a certain date etc?
I have two Wizards (s/n: SZ602EE0xxxx and HT544EExxxx), both currently with 1GB SD cards (Danelec I think?). I am reluctant to buy any 4GB cards unless I know they are going to work.
Thanks
Andy

AFAIK some WM6 ROM with build .1921 includes drivers that should support SDHC cards but since I don't have a SDHC card on hand cannot test ...
or have a look here:
http://forum.xda-developers.com/showthread.php?t=320159

[removed] you seem to do not want to read.

nothin said:
http://www.mm.pl/~xoen/sdhc.rar
driver, that enabled sdhc for some devices(it wasn't obvious that it will work - but it works.), cannot test it with wiz , though.
Click to expand...
Click to collapse
I have already downloaded this but don't have a SDHC card to test it, and as I said I am reluctant to buy one if it won't work.......
Andy

[removed by me]

ok to clarify this, (im going to get flame at least once for this) SDHC cards will only work with devices that have the drivers for SDHC cards. This does not have to do with the hardware but if we cant get the drivers to talk to the hardware there is no support. we have the right hardware but no drivers and if it was a hardware problem then SDHC cards would not be the same as a SD card.
And can someone test that rom (not hopping it works but it might)

[removed by me]

I've got a 4gb SDHC card sitting here, and the latest TNT release (1921 base). Obviously, it does not currently work. Let me know what I need to do to try!

imthewa1rus said:
I've got a 4gb SDHC card sitting here, and the latest TNT release (1921 base). Obviously, it does not currently work. Let me know what I need to do to try!
Click to expand...
Click to collapse
The first page of theloon 7.2 ROM kitchen shows it working. I run this ROM, but I dont have a SDHC yet. I'll post there to see if anyone has had success.

Resurect this thread....
I am desperately running out of SD card space and would like to now 'upgrade' to a 4GB (or bigger?) SDHC card. I would like some testemonials of users who have had sucess with SDHC cards and what Wizard version and ROM you are running.
As I said I am reluctant to just buy a SDHC card and see if it works as it will be a waste of money if it doesn't.
Andy

count me in
just bought a 2gb sd card for 25€ over here but i need more space ^^
transcend sells the fastest sd mini cards as far as i tested them..
from hardware point of view the wizard device can handle this SDHC cards
as they use the same slot and hardware a usb cardreader has..
its just a matter of drivers or maybe just a registrysetting..
my guess its a combination of a new driver with enhancements for SDHC
and some registrysettings...
knowing windows they probably allready implented it in OS at least in WM6
and it be just a question of finding the right driver with the right settings..

my 4gig sdhc is coming in early next week, then I can test..

keep us informed on how it works please .. if it works that is ^^

Read this! It is only a matter of drivers and reg settings. Someone has created a cab with appropriate drivers and reg entries for testing somewhere on the xda forum.
http://www.microsoft.com/downloads/...c1-f0f4-4fd6-9366-b61e0ab59565&DisplayLang=en

theloon said:
Read this! It is only a matter of drivers and reg settings. Someone has created a cab with appropriate drivers and reg entries for testing somewhere on the xda forum.
http://www.microsoft.com/downloads/...c1-f0f4-4fd6-9366-b61e0ab59565&DisplayLang=en
Click to expand...
Click to collapse
So you can confirm this works? That's all I want. There are LOTS of varying reports on SDHC cards working & not working. I don't want to buy one and then realise it doesn't work. It's all right posting drivers and links to MS updates but that doesn't confirm anything. I want hard evidence.....
Andy

nothin said:
[removed] you seem to do not want to read.
Click to expand...
Click to collapse
I tried it and it doesn't work.

• Support for Video over IP telephony calls
• Support for the Pocket Outlook Object Model (POOM) and ActiveSync in the VoIP Home Screen and VoIP Contacts applications
• Secure Digital (SD) bus driver that supports SDHC specification 2.00 functionality, such as Secure Digital High-Capacity (SDHC) cards
Support for Extended File Allocation Table (ExFAT) and FAT32 on the x86 BIOS Loader, which provides access beyond 2 gigabytes (GB) of hard disk space.
this is probably the issue with ur 4gb card..
the bios of the wizard wont be able to acces beyond 2gb
but...
now that you have this 4gb card can you do us all a favor ?
here is the thing:
if u have a cardreader that reads the card on the pc just put it in the pc
otherwise put it in the wizard and start wm5torage and connect it as a
non-removable class and write enabled and start the thing and connect it to pc..
when connected goto computer and right click My Computer and choose manage.. in that window goto Disk Managment ..
in there you see this drive which is on the sd card, its shown as a drive
rightclick on the part next to it where it shows the volume on the drive
(it says Healty when correct and the driveletter it got assigned)
choose delete partition
now u have a empty flashdisk
format it in fat16 but.. :-> dont give it a name and set it to 2gb and do not assign a driveletter
now there is a space left of <1gb
format this too fat16 no name, no drive letter, no other stuff but plain format
now if all is correct and these two drives are there you can disconnect it.
unplug the cardreader (with the remove hardwarebutton in systray)
or if u got it in your wizard , shut down pc and take wizard out after it shut down
then release the wm5torage driver and close it and remove card and insert it
back again..
u can check for errors with pocket mechanic professional..
little warning though : do not do this with non branded fake 4gb cards as it
renders it useless probably..( these cards that are 2gb and reformated to hold 4gb)

KhMeRA said:
I tried it and it doesn't work.
Click to expand...
Click to collapse
Thanks for highlighting my point - some Wizard owners say they work, others say they don't. Even though it's only about UK £20, it's still wasted money if it doesn't work.....
Andy

ADB100 said:
Thanks for highlighting my point - some Wizard owners say they work, others say they don't. Even though it's only about UK £20, it's still wasted money if it doesn't work.....
Andy
Click to expand...
Click to collapse
it will work if someone can port wm6 r2 to the wizard
and i had it work with a 4gb sd mini card which wasnt SDHC
the site i bought it doesnt have them anymore ..
it seems it is an "out of specs" sd card hence there not sold here,
but maybe we can find a store that has these cards..
one more thought is that it maybe read the SDHC card as well if we
keep its volume space to a max of 2gb..
multiple volumes on a storage card works fine on a t-mobile stock rom
not tried it on others..
nevertheless ur right about the part that no-one is willing to buy something that doesnt work hence we need to test and try...
or as i would say :
Plug 'n Pray ©

guys, just wait until Monday or Tuesday, you will get a full report
let's start a poll, which ROM should be used for testing

Extended External RAM?

Vista can use external USB sticks to boost up speed of windows vista, is there such an ap for the WM6? I was thinking of getting an 8gig for me dual touch but Im sure I wont be able to use all of that so was thinking, what if I could use half of that to boost up speed?

muzikfreakah said:
Vista can use external USB sticks to boost up speed of windows vista, is there such an ap for the WM6? I was thinking of getting an 8gig for me dual touch but Im sure I wont be able to use all of that so was thinking, what if I could use half of that to boost up speed?
Click to expand...
Click to collapse
I think the hardware interface between the SD card and device is too slow to help much.
Install most of your programs to the SD card and it will save the program storage area on your device.
Then maybe someday someone will write some software to utilize the storage area to use as ram.

noellenchris said:
I think the hardware interface between the SD card and device is too slow to help much.
Install most of your programs to the SD card and it will save the program storage area on your device.
Then maybe someday someone will write some software to utilize the storage area to use as ram.
Click to expand...
Click to collapse
...and that someday would be a wonderful day!

A wonderful day indeed. I do install most of mu aps in the Card, but here are aps that need to be installed on internal mem also. Anyway, Will hope that one day someone looks into this

Someday, there shall come a 10gb WM device... then 60... then 100...

muzikfreakah said:
Vista can use external USB sticks to boost up speed of windows vista, is there such an ap for the WM6? I was thinking of getting an 8gig for me dual touch but Im sure I wont be able to use all of that so was thinking, what if I could use half of that to boost up speed?
Click to expand...
Click to collapse
One thing to note - the performance improvements in Vista with using external memory sticks is negligible. I've got a 2gig one stuck in the side of my laptop, and wish I could get my money back. Its useless.

Very slow writing speed on microSDHC card

Happy new year guys. I bought two microsd cards. One is a PQI 2GB microSD card for flashing. Another one is a Ridata 4GB microSDHC card for everyday stuff, with a speed class of 6. I don't know the class of the PQI.
I noticed that when copying files from the pc, or when just copy pasting files within the Hermes, the writing speed is very slow. For both cards, the PQI and Ritek, they're around 400 kB/s to 600 kB/s. I used both WM5torage and activesync and they're both this slow. Even for a class 2 card, such speeds are slow. I RMAed the PQI one due to CRC errors when copying. The Ridata has no errors but is still very slow.
I searched the forums and installed the SD tuneup.cab file, restarted the Hermes and its still the same writing speed, around 400kB/s. I used the microsdhc in a card reader in a pc and it writes at 6 MB/s. What could be wrong, why such a writing speed difference? I have red about posters with writing speeds as much as 9MB/s with their phones in the Hermes accessories forum.
The specs of my phone are:
Cingular 8525 Hermes 100
PDACornerPro.V27
Radio 1.56
HardSPL v7
Ridata 4GB microsdhc class 6
Any suggestions, comments? Thanks.

Mate, join the club... I don't really believe that when connected through activesync you will get very fast speed copying. Its ALWAYS been slow as a stoned snail when copying through the phone. sd card readers move like lightening in comparison.
Don't believe you're gonna find an answer to the slow speed problem.
Cheers...

You mean from the very start till now, the Hermes really writes slowly? But some people on the Hermes accessories forum have write speeds up to 9MB/s. Maybe there is a fix/tweak somewhere I don't know about and still not able to find through searching? Any ideas? Thanks.

I've never found it. Most threads I've read about this issue are lamenting the fact it has such a slow read/write speed when connected through activesync.
I generally backup and transfer files through an sd card reader.
Cheers...

Thanks for the reply. Maybe I'll just use a card reader to save time. But those folks at "What brand SDHC card is everyone using?" thread have speeds up to 9MB/s when writing. Aren't they using the Hermes? Or they're using a card reader?

Probably a card reader. They may also be talking about when transfering files to/from sd card when using the Hermes's own file manager as that is fairly fast. I use a class 6 8Gb card for reading Tomtom maps and there is no lag, had a bit previously with a 2Gb card.
I believe the hangup is in microsoft's active sync program. No0t sure about those using vista's own transfer app.
Cheers...

ultramag69 said:
Mate, join the club... I don't really believe that when connected through activesync you will get very fast speed copying. ...
Click to expand...
Click to collapse
Actually, Activesync can be fast.
Activesync on an XP machine copying to my Herm100 is quite slow, a card reader is much better, but the same Activesync copied to the latest HTC (don't know the model) slidey keyboard phone's internal memory in comparatively lightening speed.
So is there different configurations or drivers for the USB connections on our phones and/or ROMS ?
G.

As you said
Ogier said:
Activesync copied to the latest HTC (don't know the model) slidey keyboard phone's internal memory in comparatively lightening speed.
G.
Click to expand...
Click to collapse
Maybe something in the hardware of the newer phones because if it was software, since the chefs use the ported os of the later devices, we should also be getting better speeds if we had updated the OS. I'm currently using build 21109 and I haven't noticed a speed increases...

Thanks for the replies guys. I think its really the hardware of the Hermes that is slow. I bought a cheap $1 card reader and its very fast compared to the Hermes' own card reader. I used Sisoftware sandra to bench my cards. My RMAed 2GB PQI card writes at around 6.5 MB/s while my Ridata 4GB card writes at around 5.4 MB/s. What a difference a dollar makes

[Q] Slow Android USB-Masstorage connection

I searched similar threads, but i found no proper answer to my question.
Is this a general android-build problem on the HD2?
I tried it with different PC's (XP/W7) and Roms (SD and NAND) and everytime
i get a only a transfer rate between 300 to 500 kbyte/s
(this is really slow! WM 6.5 connection was up to 10 Mbyte/sec)
It's a C10 sdcard and i already installed the SD read forward patch with 2048kb.
So internal reading/writing speed is not the problem.
What can i do to speed up the USB - Connection ??
(...please don't tell me to use a cardreader - this was not questioned!)
thanks!

there is a solution i believe... check out
http://forum.xda-developers.com/showthread.php?t=1010767

hellraiser-rh said:
I searched similar threads, but i found no proper answer to my question.
Is this a general android-build problem on the HD2?
I tried it with different PC's (XP/W7) and Roms (SD and NAND) and everytime
i get a only a transfer rate between 300 to 500 kbyte/s
(this is really slow! WM 6.5 connection was up to 10 Mbyte/sec)
It's a C10 sdcard and i already installed the SD read forward patch with 2048kb.
So internal reading/writing speed is not the problem.
What can i do to speed up the USB - Connection ??
(...please don't tell me to use a cardreader - this was not questioned!)
thanks!
Click to expand...
Click to collapse
I hate you man i was opening Q&A to post exactly about the same issue!
However i had a very satisfying SDcard read and write speeds, that is when i formatted it with SD formatter tool and WITHOUT any partitioning of it!
Today i wanted to try a sence build with EXT partition so i formatted the SDcard with the internal Partitioning tool of CWR to 1GB EXT. Then i formatted the SDcard (both FAT32 and EXT) with CWR.
I flashed a ROM and went to USB storage mode, and i was shocked!
The SDcard is now muuuuuuccccchhhh slower!!! Why is that?! And what can we do about it?!
kiki_tt said:
there is a solution i believe... check out
http://forum.xda-developers.com/showthread.php?t=1010767
Click to expand...
Click to collapse
Man he said that he applied that, besides that only affects internal speeds!

So can I just format my 32gb class 10 stick and run 1 fat32 partition and enjoy better performance or do we need the ext3 partition? Mines only like 200MB or so.

If using windows do you have some sort of Virus Scan going on. Is the USB hub on the computer really at USB 2.0 or more?

yep. It's a external powered 7 port usb 2.0 hub. When I plug the micro sdhc card into my usb card reader which plugs into the hub I get write speeds of 15MB/s+! Then I plug it in the phone and It pulls off 2MB/s barely. This is a CLASS 10 32GB Micro SDHC card. I changed the read_ahead_kb to 2048. No change. I'll test out 3072 and 4096. I think there's some driver issue with windows and the android usb driver or something. It's slow on several machines all operating at usb 2.0 specifications. Do we need to install software for the device? If so let me know! I get an unknown device when i plug the phone in and not usb mass storage, it tries to install the Android internal memory driver with no success. Supposedely google has a special driver for windows where u need the java developtmental sdk and the google java sdk. I'll update later. Any suggestions would be killer awesome!

any idea?
I've got a USB 2.0 connetction and the sdcard is not the Problem.
With my SDHC-reader in the same USB-port i get the normal speeds!
And i don't had this problem with WM6.5!!
With WM6.5 my spped was similar to the USB-reader!
But now ... with Android in NAND.....
The Speed problem occurs at all my PC's (XP,Vista and W7) and
with all the old SD-Build's (i thought that was an SD-Build problem)
and now with the NAND-Build (rafpigna Sense HD 4.02 ext) nothing changed !

So it is a general problem I think, not only me
Well, I was using dual mount SD for mounting the SDCard to the PC and the writing speed on the SD (class 6) was about 900KB ! But after I tried the native android mounting it was risen up to 3.4MB -which is also much slower than the card reader (~7MB)-

Same problem here ...
from the boot loader i get better write speeds ...
i tried ftp transfer too , no diferince in speed (still around 800 kbs).
i tried over wifi , still no difference.
iam using:
Pyramid HTC Europe 1.35.401.1 - Real 3D V2.3

I found out how to fix the problem. It lies within windows disk checker. Automatically fix file system errors, and Scan for and attempt recovery of bad sectors. This will take a long time depending on your speed and size of your memory stick. I do this when my speeds slow down. For my 32GB Class 10 card, it could take 2-4 Hours. However I'm getting 12-16MB/s write using windows and CWR. Make sure your device is being detected at USB 2.0 Speeds. Trust me! Doing it once ever couple days your speeds will be faster and faster. Even exceed the class specification of your card. This fixes the slow read/ write speeds!!!!
CYA

1chris89 said:
I found out how to fix the problem. It lies within windows disk checker. Automatically fix file system errors, and Scan for and attempt recovery of bad sectors. This will take a long time depending on your speed and size of your memory stick. I do this when my speeds slow down. For my 32GB Class 10 card, it could take 2-4 Hours. However I'm getting 12-16MB/s write using windows and CWR. Make sure your device is being detected at USB 2.0 Speeds. Trust me! Doing it once ever couple days your speeds will be faster and faster. Even exceed the class specification of your card. This fixes the slow read/ write speeds!!!!
CYA
Click to expand...
Click to collapse
ill try it ... reporting back after trying...
ok not working on the phone... ill set the sd card into a reader and try it out there

dint work at all ... some one else should feel free to confirm this
here is a bug report for this problem:
http://code.google.com/p/cyanogenmo...etwork Owner Summary Stars Priority&start=100

Ok, sorry. I'll start at the beginning and explain every detail on how to get amazingly excellent performance from you sd card. Your going to be required to format it to fat32 64kb cluster for optimum performance. That's #1 and required. If you need your ext3,4 etc partition. I'm sorry. You will have to continue to bare the poor performance. You need a raw fresh sd card. Then I would run a disk check to correct any internal errors that windows uses, with all options checked this should take a while to complete. On my 16gb class 2 it takes atleast 45 minues and 2 hours on my 32gb class 10. Windows disk checker perfects the clusters and the file system integrity. Run it once on a fresh sd card. Then transfer a file 100MB or larger to get good speeds. Transferring a ton of smaller files will always be 50-75% of your class specification. There is no way around this. The card will transfer at it's class when transferring large files. If the card was able to transfer at it's specified class with small files, would require more energy to perform the task and cause the card to overheat since it's performing more operations a second with a lot of small files compared to a few large files. One thing you will always need to keep in mind is the performance is very delicate and will not be maintained for long if you don't take extra special care of safely removing the device from the computer. I've been lucky to just turn off usb mass storage when the transfer is complete and have maintained my speeds this way. However before I dialed in to how to keep it performing excellent I would constantly cause the card to perform way worse after only a day or 2 after the optimization. To keep it running optimum make sure to run windows disk checker once a month or when it slows down. Make sure you format using either Windows format function from my computer or Disk Management. I have found that the windows methods are far superior to maintaining excellent performance since Windows writes the format data to the card in the manner it prefers to use on a daily basis. Third party applications perform the same simple "similar" task in a different manner technically speaking. I have noticed performance loss from tests I have ran comparing 3rd party format compared to windows format. Also the 64Kilobyte cluster size performs the best on all files sizes. Do not use anything smaller than that. Also a 3072KB read ahead in android on average performs better than a 2048kb read ahead. If you have any additional questions. Don't hesitate to ask.
Thanks cya!

Same phone on Mac & Windows
I have tried the same phone Samsung Galaxy S2 doing a 1 GB write to SD on a Windows machine vs a Mac. The Mac transfers in about 5 min the Windows machine takes about 20 min. Both machines are with the External SD mounted and copy and paste a folder with 10,000 files in it.
I then tried it with Motorola Atrix and get the same results.
I need a way to rapidly write 8GB of data every night to 46 phones... No I am not going to take the SD cards out of the phone and use a card reader.
Anyone have any idea what could be causing the slow down on Windows?

Read the above post and it will fix your problem.

1chris89 said:
Ok, sorry. I'll start at the beginning and explain every detail on how to get amazingly excellent performance from you sd card. Your going to be required to format it to fat32 64kb cluster for optimum performance. That's #1 and required. If you need your ext3,4 etc partition. I'm sorry. You will have to continue to bare the poor performance. You need a raw fresh sd card. Then I would run a disk check to correct any internal errors that windows uses, with all options checked this should take a while to complete. On my 16gb class 2 it takes atleast 45 minues and 2 hours on my 32gb class 10. Windows disk checker perfects the clusters and the file system integrity. Run it once on a fresh sd card. Then transfer a file 100MB or larger to get good speeds. Transferring a ton of smaller files will always be 50-75% of your class specification. There is no way around this. The card will transfer at it's class when transferring large files. If the card was able to transfer at it's specified class with small files, would require more energy to perform the task and cause the card to overheat since it's performing more operations a second with a lot of small files compared to a few large files. One thing you will always need to keep in mind is the performance is very delicate and will not be maintained for long if you don't take extra special care of safely removing the device from the computer. I've been lucky to just turn off usb mass storage when the transfer is complete and have maintained my speeds this way. However before I dialed in to how to keep it performing excellent I would constantly cause the card to perform way worse after only a day or 2 after the optimization. To keep it running optimum make sure to run windows disk checker once a month or when it slows down. Make sure you format using either Windows format function from my computer or Disk Management. I have found that the windows methods are far superior to maintaining excellent performance since Windows writes the format data to the card in the manner it prefers to use on a daily basis. Third party applications perform the same simple "similar" task in a different manner technically speaking. I have noticed performance loss from tests I have ran comparing 3rd party format compared to windows format. Also the 64Kilobyte cluster size performs the best on all files sizes. Do not use anything smaller than that. Also a 3072KB read ahead in android on average performs better than a 2048kb read ahead. If you have any additional questions. Don't hesitate to ask.
Thanks cya!
Click to expand...
Click to collapse
Hi!
Thank you for this thorough and correct advice. It solved my problem with my SDHC class 4 card used in a Samsung Galaxy Gio. My computer (Win7) could write on the card with only 150 kb/s, now it is around 2200-3000 kb/s.