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Old 09-12-2007, 06:31 PM   #1
cms
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Thumbs up Using windows to partition SD cards!!

I have found out the secret to creating partitions on a SD card without using linux or windows mobile.

The trick is to make windows think your SD card is a local disk and not removable storage.

Here is how you do it: (its a little detailed so nonexperienced users can follow)

1. Determin the way the computer sees the SD card You could use a card reader, or your palm (if it has drive mode or similar)

2. Open the start menu on your windows computer and click Run.

3. Type Regedit and hit ENTER

4. Navigate to this directory (opening folders)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\USBST OR

5. Now there should be a list of folders all begining with the words: Disk&Ven

6. One of the files (or more) will be named after your prefered method (discused in step 1)

For people using mstream Card Reader the file will be called
Disk&Ven_mStream&Prod_CardReader&Rev_1.0

Softick Card Exporter users should have a file named like this:
Disk&Ven_Softick&Prod_Card_Export&Rev_0001

So on and so forth...

7. Rightclick on the folder that matches your method as descibed in step 6 and click: Copy key name

8. Open up a text document (any type)

9. Rightclick and paste in the text document, the key name should look like this:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\USBST OR\Disk&Ven_mStream&Prod_CardReader&Rev_1.0

10. Deleat the words before USBSTOR so you are left with somthing like this:

USBSTOR\Disk&Ven_mStream&Prod_CardReader&Rev_1.0

11. Highlight the text that is left, rightclick and hit copy (*you will use this later*)

12. You can close the window called Registry Editor at this time, you will no longer be using this. You can also MINIMIZE the text document that has your key name that you copied in step 11.

13 Now go to this link and download the file: http://www.xpefiles.com/viewtopic.php?t=92
(preferably download to desktop)

14 If you do not have winzip or similar (winrar, 7zip ...), go to winzip.com and download the trial.

15 Unzip the file you just downloaded and pour (extract) the contents of the zip file into a new folder.

16 Inside the new folder you should see the following files:

cfadisk.c
cfadisk.inf
cfadisk.rc
cfadisk.sys
makefile
sources

17 Open the file: cfadisk.inf (It should automanicaly open in notepad)

18 Now you should be looking at alot of stuff like this:

[Version]
Signature="$Windows NT$"
Class=DiskDrive
ClassGuid={4D36E967-E325-11CE-BFC1-08002BE10318}
Provider=%HGST%
LayoutFile=layout.inf
DriverVer=12/14/2002,1.00.0000.1

[Manufacturer]
%HGST% = cfadisk_device

[DestinationDirs]
cfadisk_copyfiles=12 ; %SystemRoot%\system32\drivers
gendisk_copyfiles=12 ; %SystemRoot%\system32\drivers

.... and more stuff

19 Look for the a set of lines that start like this:

%Microdrive_devdesc% = cfadisk_install,(*other stuff*)

20 Highlight the words that fallow the cfadisk_install and paste your own key ontop of it.

21 Now the first line should look like this:

%Microdrive_devdesc% = cfadisk_install,USBSTOR\Disk&Ven_mStream&Prod_CardReader&Rev_1.0

*remember that your USBSTOR key will be different depending on method as described in step 1*

22 Replace all the other %Microdrive_devdesc% with your key. (there should be 10 replacements in all)

23 Save this file now.

24 You can now close all windows except for this one (the one your reading )

25 Take a deap breath and relax a bit, were halfway done











OK then...

26 Connect your SD card to your computer now (using the method you decided in step 1)

27 Open up "My Computer"

28 Rightclick on your SD card and click Properties

29 There are tabs on the property screen labled as fallowing:

General, auto play, tools, hardware, Sharing

Click on Hardware

30 If you got this far without getting confused, you should be able to identify your method of connection from the list (as in step 1)

Mine looks like this:

mstream cardreader USB Device

31 Highlight that device and click on the properties buton twards the bottom of the window.

32 Now another window should pop up with the following tabs:

General, Policies, volumes, driver

Click on Driver

33 Click the button called: Updated Driver

34 The windows hardware wizard should pop up.

35 DO NOT CLICK NEXT! , or at least not yet...

36 You want to Install a driver the advanced way so checkmark:

"Install from a list or specific location (advanced)"

37 Now you can click next...

38 You are not searching for a driver (you just made one) so click the option:

"Dont search. I will choose the driver to install"

39 click next for the second time

40 Click on the button called: Have disk...

41 Click the button called "Browse.." and navigate it to the new folder you created in step 15

42 Click on the cfadisk.inf and click the button called: Open

43 now click OK..


The computer will now install the driver you have modified. Eventualy you will get popups notifiing you that the driver is not signed... Click continue anyway

When the computer finishes instaling the driver, It may ask you to restart, do so (come back though to this page, were not done yet but very close)



Windows is now restarting...








OK Your back, I thought you fell asleep or somting.

NOW on to step 44

44. If you open up "my computer" you should notice that your computer now recognizes your SD card as a local disk, If not, you have done somthing wrong.

45 If nothing is wrong you can now start partitioning your sd card (you can also defrag it, though I dont know if that will do anything)



To partition an SD card, Open up the start menu and go to Control pannel

In control pannel open up admisrative tools, You should now see the program "computer management" from there you can go to disk manager and partition your sd card

Whatever you do, DO NOT MESS WITH YOUR C: drive.
If you dont know what your doing, google how to partition stuff and learn.

Now you can partition your sd cards.....
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Old 09-12-2007, 06:33 PM   #2
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Happy partitioning

im going to rest my hands now...
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Last edited by cms : 09-12-2007 at 06:48 PM.
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Old 09-12-2007, 11:25 PM   #3
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For any Mac users that may want to partition an SD card just launch Disk Utility, select your SD card and click on 'Partition'.

The only problem is, the TX will only see one partition.
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Old 09-12-2007, 11:33 PM   #4
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Dude, just download a partitioning utility... Or a linux live cd with qtparted or any other patition manager installed...
You make things much harder than they need be...
No offense, wonderful hack, but just a tad overkill, imo.

Like you said in your previous post, this isn't being used on PalmOS (and results in the card having less available memory on the palm, if I understand correctly)

What are the benefits of partitioning the SD card? What does it accomplish?

Just some real world .02$,
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Old 09-13-2007, 10:17 AM   #5
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Quote:
Originally Posted by phreakonaleash
Dude, just download a partitioning utility... Or a linux live cd with qtparted or any other patition manager installed...
You make things much harder than they need be...
No offense, wonderful hack, but just a tad overkill, imo.

Like you said in your previous post, this isn't being used on PalmOS (and results in the card having less available memory on the palm, if I understand correctly)

What are the benefits of partitioning the SD card? What does it accomplish?

Just some real world .02$,


Partitioning utilities dont work (on windows that is, Ive tested almost everything including partitionmagic 8.0), and many people do not understand the linux UI and/or making linux live disks.

The palm can be modified to access partitions, but because many people cant partition their cards in the first place, the need for that modification is not large because of that.

Also by partitioning you can set up a section of the sd card dedicated to computer software via boot or portable apps.

Many people can also apply this trick to other removable storage devices.

Its a good thing to know.

If you want direction that is not overkill (where I found the trick in the first place) go here: http://www.techspot.com/vb/all/wind...lash-Stick.html
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Last edited by cms : 09-13-2007 at 10:31 AM.
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Old 09-13-2007, 11:17 AM   #6
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Quote:
Originally Posted by phreakonaleash

What are the benefits of partitioning the SD card? What does it accomplish?


I was wondering the very same thingbefore your post ........... and I still am.
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Old 09-13-2007, 11:54 AM   #7
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Why would you partition a hard drive?

there are alot of reasons to partition storage...

Partitioning hard drives makes them them faster in some cases, It *could* work for Sd cards as well, (especialy slow 4gb cards).

Some people place boot partitions on their flash sticks, this could also work for palms.

If a palm was modified to access all partitions, you could encrypt partitions, and in drivemode style programs can unmount one partition without having to unmount the entire sd card.

there are many posibilities that can open when you look into partitioning, the problem is that no ones looked into it.



*******

think of it like this,
would apps be good if there wasnt a palm to run them?
would a palm be good if there were no apps?

would partition apps be good if there wasnt a way to partion sd cards?
would a way to partition sd cards be good without partition apps?

You have to come out with the foundation before you can start building on it.

Now that you can partition sd cards (foundation), you can start taking advantage of it.
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Last edited by cms : 09-13-2007 at 12:17 PM.
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Old 09-13-2007, 02:35 PM   #8
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I just partitioned a 220 and 34 meg partitions on Pruss' Cryptdrive, It works!
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Old 09-13-2007, 03:25 PM   #9
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Question Still don't get IT

I don't think the BIOS on my laptop or desktop will boot to a SD Card slot. HD, CD Rom and floopy (if present), but not a card slot.......... My computer usage requires way too much horse power for a Palm Tx ............... A Tx is not much of a PC replacement. Great PDA, but PC? No way.
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Old 09-14-2007, 02:03 AM   #10
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Quote:
Originally Posted by cms
Why would you partition a hard drive?
there are alot of reasons to partition storage...
yes, thatīs a good question

Quote:
Originally Posted by cms
Partitioning hard drives makes them them faster in some cases, It *could* work for Sd cards as well, (especialy slow 4gb cards).
partitioning a card does not make it faster. it could be read faster only because of a different cluster size, but you can apply that anyway with the FORMAT command. in order to use different cluster sizes on one card you need to partition it, all right, but to make actual use of it, you need to place small files on small clusters and big files on big ones - funny kind of sorting files around

Quote:
Originally Posted by cms
Some people place boot partitions on their flash sticks, this could also work for palms.
I donīt know of any hardware that would be able to boot off a card ...

Quote:
Originally Posted by cms
If a palm was modified to access all partitions, you could encrypt partitions, and in drivemode style programs can unmount one partition without having to unmount the entire sd card.
there are software solutions that encrypt a card on the palm side, like cryptdrive. as far as I know all of them work either by slot driver (meaning whole card) or container files (meaning not caring about partitions).
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Old 09-26-2007, 10:32 PM   #11
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Quote:
Originally Posted by cms
I just partitioned a 220 and 34 meg partitions on Pruss' Cryptdrive, It works!
Let's confirm something here: you successfully partitioned a 4GB SD cards into two partitions, and you were able to see both partitions as a separate logical volumes in a PalmOS device?
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Old 09-26-2007, 10:57 PM   #12
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Straitforward... yes, and no

I was able to make two partitions out of a 4gb card in my TX, though...

You would have to modify the Fat driver for PALM OS to see both partitions.
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Old 09-26-2007, 11:11 PM   #13
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Quote:
Originally Posted by cms
Straitforward... yes, and no

I was able to make two partitions out of a 4gb card in my TX, though...

You would have to modify the Fat driver for PALM OS to see both partitions.
That was my assumption, but I wanted it confirmed. As far as I knew, you might be able to partition the card, but it wouldn't help you because Palm OS would only see one partition.

So it's neat that you figured out how to fool windows into making the partition, but it's pointless to do so on a Palm device because you can't use multiple partitions.

I'd be interested in knowing whether a Windows Mobile device will see more than one partition on a card.
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Old 08-02-2008, 08:00 PM   #14
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Thumbs up

great info!!!

thanks..

My PPc (O2 Xda IIs) went crazy with the 4GB card, but now I partitioned to 4 1gb (ok, ok, 3 1GB and 1 726mb) chunks and its all ok..

even my lexmark printer can read it now(at least the first one)

I just register here to say THANKS..

keep the good work

Rafa Medina

extra note: I found the key in the registry at the ControlSet004 folder
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Old 10-11-2009, 10:11 AM   #15
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Where is the file

The site http://www.xpefiles.com/viewtopic.php?t=92 is no longer available.
What is the name of the file that I would have found there so I can search for it?
Or, can you send it to me at cdo5@hotmail.com
Thanks

Last edited by CDO5 : 10-11-2009 at 10:13 AM.
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