Develop Bugs

Using fast SD cards?

I see these 66x superfast SD memory cards advertised. Will using one speed up my blue angel?
Can programs use this SD card for operating memory or can they only use the intenal memory?
Does having <5mb avaialable slow down your device?

Fast Sd Cards
Fast Sd cards are only useful for SLR Pro cameras. The rest of the devices are using normal card reader slots. i.e. even if you were to use a fast SD card in the sd card slot,you will only get the normal speed.
by rest of the devices, i mean, all pocket pcs, ppc phones, phones and such devices...... :x

moali77 is correct. it won't make much of a difference in your pda. however, if you use a card reader, or happen to have a digicam that can utilize the speed, you will be better off.
example: i played atlantis redux recently 100mb+ required to be put on your sd card. instead of copying it through activesync, i put it in my usb2.0 card reader, copied it over, in far less time than it would've taken if i did it the other way.
but if you don't plan for much of that, then don't bother paying the premium for a fast card =)

Well I bought a Kingston Elite Pro Secure Digital 1GB, think It's 7.7/8.2MB Write/read
It made my TomTom go way faster planning routes and generally give me better performance from other apps.
I dont know the Top speed for the BA SD Slot, but you should look at the speeds of the card you are planning to buy

bosjo said:
Well I bought a Kingston Elite Pro Secure Digital 1GB, think It's 7.7/8.2MB Write/read
It made my TomTom go way faster planning routes and generally give me better performance from other apps.
Click to expand...
Click to collapse
Have others experienced similar variations with different SDs?

I recently responded to Wamatt's other posting about SD cards in the BA accessories forum. In it, I've described my experiences with the SD card listed in my sig and BA speed tests I've done with it.
See http://forum.xda-developers.com/viewtopic.php?t=26903 for additional information.

Are 2gb SD cards compatible with BlueAngel?

Hi guys,
I'm thinking of upgrading my 512mb SD card to 2gb, but I'm not certain that the phone (Qtek 9090) will be able to work with such a large card.
Does anyone here have a 2gb card working? Any brands/models that are known to work or fail?
Thanks in advance for your help.

2gb SDCard...
Hi!
I'm currently using a 2gb SanDisk SD Card, everything works great. Oddly enough, I cannot find a card reader to connect to my PC that can read them!?!? I'm still using 2003SE and transfer movies and MP3's to the phone by using the painful multi-hour process of Exploring via ActiveSync. Uggh! This is fixed in ActiveSync 4.1 but ONLY if you are running WM5... Just having 2003SE and 4.1 will still be totally laggy for file copy.
Enjoy!

2gb SDCard...
Hi there, I also have a 2Gb Sandisk card in my XDAIIs, I also have a card reader which I purchased from PC World for £10.
Works a treat!!

Re: 2gb SDCard...
terryd1980 said:
I also have a card reader which I purchased from PC World for £10.
Works a treat!!
Click to expand...
Click to collapse
Hi! Do you have a brand name or model number of the card reader you mentioned so I can search for it on the Internet? So far I've purchased 2 different readers and neither can speak "2gb" :shock: The one I can use for 1gb cards but not 2gb cards is Belkin F5U248 rev.2, so I know that one wont work!
Thanks in advance!

Does anyone know what speed the BA supports for its SD cards?

The transfer speed is limited by the SD card type
The transfer speed should be contained within the card specification sheet
As I understand it, the maximum transfer speed is 22.5MB per second
This is for a 133X SD card, so compare accordingly

thanks for the reply. I just wanted to make sure that there wasnt a limit on the SDIO bus on the BA.
I'm planning to buy a 2gb Sandisk, but i'm not too sure whether the ultra version will work, as the compatibility list on their website only shows the standard. So i might just get the standard one to be on the safe side.

I currently use 4Gb SD card! I had only hard time finding flash card reader for my PC, which can read such a big card
I believe PPC devices has no problem with big SD cards. At least my Mio 168 PPC with GPS (PPC 2003) understand 4G card too.
But I do not believe flash manufacturers X rating. I NEVER seen real speed more than 3 Mb/s on any type of device. My card have rating x133 (22.5Mb/s). And I have no idea on what device and how did they measure that speed?

From the 2g->4gb reports it sounds like sd card size is not so much an issue for the BA, more for the SD->USB adaptor.
I have the same awful USB activesync file transfer rates reported on this thread, despite running WM5, so it sounds like my current adaptor might need upgrading.
Anyway, thanks for helping out, and I now have a 2gb 133x SD on order for next week ;-)

The typical transfer rate is 2MBps
Quotes like 133X and 150X are NOT a multiple of this but the coefficient comparison between the read and write speed
As an example for a 2MB SD card
Uploading 2MB data takes 1 second
Reading data, for that same setup, takes 1 second
For the 133X the write speed is the same, but the read time is 0.4 seconds and for the 150X card it is 0.33 seconds
This also assumes the SD interface meets SDIO v1.01
If not then the 133X and 150X cards take the same time to read as the standard card

2gb Card Reader
Hi there ottGalaen,
My card reader is made by PC Line, I think it's PC World's own brand, the Model number on the back is PCL-CR400.
Here's a link to it...
http://www.pcworld.co.uk/martprd/st...null&sm=null&tm=null&sku=818835&category_oid=
If that doesn't work just go to www.pcworld.co.uk and search for PCL-CR400
I hope this helps
Kind regards
Terry

4GB SD here with a cheapie card reader/writer. No problems at all.

2gb sd
i use a 2gb sd card sandisk with no problems

Re: 2gb SDCard...
ottGalaen said:
Hi!
I'm currently using a 2gb SanDisk SD Card, everything works great. Oddly enough, I cannot find a card reader to connect to my PC that can read them!?!? I'm still using 2003SE and transfer movies and MP3's to the phone by using the painful multi-hour process of Exploring via ActiveSync. Uggh! This is fixed in ActiveSync 4.1 but ONLY if you are running WM5... Just having 2003SE and 4.1 will still be totally laggy for file copy.
Enjoy!
Click to expand...
Click to collapse
Yo, what type of SD card that you using now (Sandisk Ultra II) ?

Just so you guys know my 4GB SD card is a Transcend 150x.

8GB SD card debuts!!!

From PRETEC, here:-
http://www.geekzone.co.nz/content.asp?contentid=6609
:lol: :lol: :lol:

I found one on eBay for £96.00 + £4.00 p&p.
150X 8GB OEM SAMSUNG SECURE DIGITAL SD CARD 8 GB G NEW
Looks good.

Gonna test that on Universalinux too?

wonder if it will work in a prophet (JAMin)

RE
If your PDA do not have a SDHC slot then PRETEC card is not backward compatible
Quote
"SDHC cards are recognized by new SDHC host devices differently than standard SD cards and are not backward compatible with legacy SD format host devices. "
Bad luck!!

What IS SDHC compatible?

I was gonna ask that one, so i will ask it anyway!
What is SDHC?
Never mind, i found this information:
http://www.sandisk.com/Assets/File/pdf/retail/SDHC1.pdf#search="sdhc compatible"
But now we need to know whether our Universal is SDHC compatible or not. Has anyone managed to find out if these new cards work with our PDA's?

Maximum capacity for this device: May support up to 2GB
But we know that's already true. So...

This quote is right from the article linked to by the first post here...
The maximum capacity of SD card is 2GB under SD 1.1 of Secure Digital Alliance (SDA) specification; however, by using file format of FAT32, many SD 1.1 host devices can use a 4GB SD card. SD 1.0/1.1 uses traditional "Byte Addressing" scheme which limits the maximum capacity to 4GB while SD 2.0 adopts "Sector Addressing" scheme which can reach the maximum capacity of 2TB (2048GB).
Click to expand...
Click to collapse
In other words, they 'cheat' to get the Universal and other SD 1.1 devices to see 4G, but that won't work with the 8G cards.
Brett

Would the Universal still not work with an 8GB SD card if that card was partitioned into 2x 4GB's? It certainly would be helpful if someone could try this? You just never know!

re
I guess no one will know for sure until someone tries it. BTW how do you partition a SD card anyways? Do you really think that could work?

hello
if SD 2.0 is the later version then would not all new 4 GB SD cards support "sector addressing" which would limit the ma. capacity to 2 GB

I have a 4gb that works in uni
I keep reading that people aren't able to use anything above a 2gb SD but I have been using a 4gb that I purchased on eBay for pver 6 months now. I used in with the original Jasjar ROM and also with JWrite's, Indra, and currently Helmi's. (not with the WM6's yet though)
It is interesting to note however that it won't work in any of my desktop or laptop systems without the included dongle. Not even the built in SD slot in my TC1100 tablet.
It says it's made by a company called "TopRam" if that helps anyone.
I also purchased an 8gb that SUPPOSEDLY supports SD 1.1 and 2.0 according to the documentation. It took a great deal of hunting to find one that didn't say it was HC and I'm still skeptical as to whether or not it will actually work, but as soon as it comes in and I have a chance to try it I will post the results here if anyone is interested.
I know there are one or two people here who make claims of such things, but if there are any doubters I will take some screenshots of the storage card memory screen if I need to.

SDHC uses a different software for the controller. The hardware is exactly the same. The point I'm trying to make, is that the SD people went to very radical lengths to ensure that there is no compatibility betweens SD and SDHC. They also have two different kinds of memory addressing. Bottom line, you can't use SDHC. Your device must say SDHC, and AFAIK, no PDA is SDHC compatible. With all of that said, I'm a Scoter owner, and we have valid reports of being able to access SDHC cards from a PC, through my device. It may be possible to create drivers for the SD controller, or create some kind of emulator, but that is a long way off. I've seen similar threads about those asking about 4 GB and 8 GB. Unfortunetly most don't understand the difference between SD and SDHC. SD is capable of 4 GB. SDHC starts at 2 GB and has potential in the terrabyte range. In addition, many of the real cheap 4 GB SD cards don't strictly adhere to SD standards, and may work on some reader designs, and not on others. A perfect example is that I bought a 4 GB SD card, that only works on one card reader, but not my PC reader or PDA.
Regards,
Jason

SDHC Patch
I just read on a forum for Palm Treo that they have a working patch for the Treo which forms compatibility of SDHC on the Treo.
Now perhaps we can take a lesson from them and see what changes where needed to make it work. Besides, you can't tell me that there are more people working of patches for the PalmOS than WM.

well , the sdhc 8gb does not work on my xda exec-universal. so I just bought a 4gbcard "MyMemory 4GB 133X SD" from ebay that is stated as being compatible 21.94 pounds.
I'll just use my sdhc 8gb as an expensive mem stick in my sweex sdhc reader .

got it
So I received my 8gb (supposedly NON SDHC) and as expected, it won't read in my Jasjar. I am going to try and reformat it into 2 or 4gb partitions to see if that will work but I am going guess and say no. It is already in fat32 but it doesn't recognize the card at all in the PDA. Just to make sure it was in fact a full 8gb (7.6gb actually) I copied a handfull of movies (7gb) to it and then ran them on another laptop and it is in fact a good card.
I can't repartition it in XP since it sees it as a removable disk, so as soon as I get my Linux laptop back up and running, I will repartition it there and see what happens. I don't expect much though.

TBOMB said:
So I received my 8gb (supposedly NON SDHC) and as expected, it won't read in my Jasjar.
Click to expand...
Click to collapse
Could you, please, try AKU 3.5 ROM (Helmi 1.3.1 or Ivan B2)?
Because this ROM comes from device which support SDHC.
There were reports also, that Triniti with last Dopod ROM (AKU 3.5)
support Mini SDHC 4GB (maximum for mini SD now).
BTW tell us which ROM you are tryinng.

why not
If someone will send me the link to the rom files, I'll be glad to. I just don't have a lot of time right now to search the ftp site.
Two questions about Helmi's 1.3.1, first, will it support my bluetooth stereo headset like the pdaviet 207 I'm using now does? and second, I don't suppose any of these new roms has the new timechange fix already applied do they? I just don't want to keep reflashing my Jasjar and still having to apply all the reg fixes etc to correct for the new timezone/dst changes.

Guess nobody was in a hurry for me to test using the other ROMs as I have had no PM's with info as to where I can find the ROMS now that they are no longer on the ftp server here.
I find my copy of Helmi's aku3.5 1.3 and tried it with the 8gb (non-sdhc) card with no luck. I assumed as much. Not quite sure where you heard that it had SDHC support but I guess it doesn't.
I had the PDAVIET 2.0.0.0.7 or whatever the latest incarnation was and that didn't work either. I now have Helmi's WM6 1.1 that I put on last night and that one also doesn't work.
I'm sure we have some developers out there who know palm and ppc hardware who can take a look at the "fix" that was created for the Treo which allows SDHC use. I can "open" the prc file but I don't know enough about what I'm looking at to be helpful.
Not sure why this fix is so slow coming. Perhaps not enough people see the need for 8gb cards. I have a 4gb but I have to continue taking off stuff in order to put anything else on because it's always full.

150X 4GB OEM SAMSUNG SD Card - not 150x ?

Hello everyone,
I am looking for someone who bought this card as well.
It is a Samsung OEM 4GB card, which is supposed to be 150x
Unfortunately all I can get from it is:
2MB/s write speed
8-9MB/s read speed
I tried 3 different memory readers to be sure I am not limited by them for some reason.
150x about 22-25MB/s is far away from what this card can perform
I’ve found some other guy doing similar tests.
http://www.thedvdforums.com/forums/showthread.php?t=455418
He’s results are very low comparing to advertised specs.
eBay seller mr. fastmemoryman is strongly stating that it is 150x and they tested it, however he does not explain how he managed to obtain that results.
He insists on sending in back as it is broken in his opinion. Doing so will make no difference as I bought from him as well 8GB version of that card. This time from USA, and not UK. After I did it I read it is not supported in Universal as it is SDHC
So 2 different cards, 3 different card readers …. Still no results even near 150x.
Btw. Can you post guys post your results. Just copy some big files to and from memory card. Preferably write to and then copy to different location as it might be cached in ram and that would false results.
I am gathering evidence to report him to ebay. They might be some cheap fakes or he might be just misleading people with specs.
Cheers to everyone from this forum, it helped me a lot in my early days of having Universal.

Transcend 4Gb 150x
Hiya,
Just wanted to say off the subject, I've just bought a Transcend 4Gb 150x and it's performing really well on my XDA Exec. Just thought if you don't have any luck with your Samsung, it's a viable alternative...
Best of luck with your tests!

Come on guys, could you please post some results from cards you bought?

I believe there is a lot of discussion about SD Cards on the Universal Accessories. Maybe others don't want to respond to a repetitive question.

I am looking for soemone with 150x Samsung OEM, which you can buy on ebay to verify my results.
I did use search button and checked few threads, but did not find any with many results.
I am just wondering which 4B SD 1.1 not 2.0 would have write speed of 5-10MB/s and not 2MB/s like the one I have.

oh dear, i also ordered an 8GB samsung 150x from fastmemoryman and like you it too is being sent from the US. How long did delivery take for your card? Soon as I receive mine, i will post some results as vista does show the actual transfer rate from PC > SD Card.

Ordered 21st of Jan and got it yesterday much more than 15 days.
8GB is about 4MB/s write speed and 4GB is 2MB/s .... but not 15 like advertised hehe.

4GB SD OEM from Fastmemoryman not 150X
I've had exact te same experience (same card from Ebay, same - slower - speed and same reaction from mr 'Fast'memoryman), and decided to let it be. At the time I bought it, it was cheap and I can live with this speed.

What is the data transfer speed for the P3600i using MiniSD or MiniSDHC cards?

I am curious to know if there is any real benefit to using the SDHC cards which represent larger capacities and faster data transfer speeds.
As i am likely to simply use a 2Gb card, i have the choice of SD or SDHC. But if i know what the actual speed capacity that they handset can handle then that would be very useful.
Presently my 1gb MiniSD card and store TomTom6 on it along with the maps and POI's but i have found that if i load too many POI options then TT6 hangs. So i think this has something to do with the transfer rates. (i could be wrong, but thats my suspicion)
All comments appreciated.

As its unlikely that anyone would have both a regular SD and SDHC cards, could you please just list the read and write transfer rates with the card you have. (please indicate which brand and model of the card)
Thanks

GLO said:
I am curious to know if there is any real benefit to using the SDHC cards which represent larger capacities and faster data transfer speeds.
Click to expand...
Click to collapse
Hello GLO,
the benefit of SDHC is capacity and a standardized write-speed-rating for the cards. The speed is not necessarily higher, as there were a lot of fast SD-cards in all flavours before.
Coming from SD and CF for my DSLR, there has been a phenomenon: While the better SD-cards were really fast, most manufacturers have not built their newer SDHC-cards as fast as their best SD-cards, but just maintained the minimum level for the various speed-ratings defined by the SD-association.
The data for my 2GB Sandisk Standard (no Ultra or Extreme) card according to SK-Tools:
FAT16, 32KB-Cluster:
average write speed: 410,34KB/s
average read speed: 613,48KB/s
From what I have seen on my trusty Dell, the devices do not show much of a difference between standard and fast cards, thus I have just gone for a standard card in my Trinity.
TG.

Hi TG,
Thanks for that. Some very good points you raised!
What card are you using?