HowTo USB Flash
Adding SDHC support for Windows — with your old SD card reader
Get SDHC work in your old card reader.
SDHC (Secure Digital High Capacity, SD 2.0), allows capacities in excess of 2 GB and is designed to meet the fast-growing demand of the high-volume storage market. It uses the same form factor as SD, but the SD 2.0 standard in SDHC uses a different memory addressing method (sector addressing vs. byte addressing) and were supposed to only work in SDHC compatible devices while standard SD cards work in both SD and SDHC devices. So in order to get SDHC work with your computer, you either have to get a SDHC supported card reader or use the card in the SDHC compatible device and connect the device to your computer to read/write from it.
In fact, this is not exactly the case, I’ve seen more and more handheld devices adding SDHC support when upgrading to Windows Moblie 6 or applying "SDHC patch"(as in Palms). So this makes me wondering, does SDHC support is really a hardware thing, or software only?
And after some digging, I found this:
http://support.microsoft.com/kb/923293
which adds support for SD High Capacity memory cards in Windows XP. A newer version of the patch can be found here:
http://support.microsoft.com/kb/934428
it adds support for cards>4GB as well. so KB934428 is all we need.
Again, Microsoft is reluctant to give out the hotfix, here is the trick to get it. The patch works instantly on my old Lexar SD Reader(bought 2005) and a 4GB SDHC card. YMMV though, but its definitely worth a try.
Or you may grab it from us
For Vista users, the patch is KB936825, for x86 or x64 system.
UnicornKaz said
am December 6 2007 @ 7:08 pm
http://support.microsoft.com/kb/934428
They showed the article as “Revision 1.2″ now.
with the listed files dated of ” Nov/22/07″
Sdbus.sys 6.0.4069.3259 78,720 22-Nov-2007 11:43 x86 SP2
Sffdisk.sys 6.0.4069.3259 12,032 22-Nov-2007 11:23 x86 SP2
Sffp_mmc.sys 6.0.4069.3259 10,240 22-Nov-2007 11:23 x86 SP2
Sffp_sd.sys 6.0.4069.3259 11,008 22-Nov-2007 11:23 x86 SP2
and your report is dated September …
any difference ??? could you updated ypur download link to includes newer revision files ??
Thanks.
Chris said
am December 22 2007 @ 12:21 pm
Thank you so much for this link. Thanks to you, we got 2 of our 3 laptops reading SDHC cards. The only one left is a HP NX9600 with TI PCIxx21 controller. Nothing sems to work. Any ideas? The PC is a P4 3.6GHZ with HT. 1 Gig ram.
Thanks so much!
SDHC in Dell Inspiron 1501 said
am December 29 2007 @ 9:08 am
[…] takes forever to respond, you actually have to wait for a live person to respond, so I found the SDHC card hotfix online and that was that! Now my computer recognizes my 4GB SD card no problem. […]
Mike said
am January 9 2008 @ 3:15 pm
Really useful, works fine on my Inspiron 6000 XPSP2, now I can read my SDHC cards without an adaptor!!
Thanks very much.
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am February 1 2008 @ 12:49 am
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alba said
am March 17 2008 @ 12:03 pm
Thanks for the link. I don’t know why MS doesn’t make it available to everyone.
Majed said
am April 16 2008 @ 10:07 am
Thank you so much :) it works fine with my HP DV6000.
really cool :)
kumar said
am April 18 2008 @ 8:42 pm
It’s at Version 3 now on the MS site. I’m not sure how different this is to the v2 directly-downloadable from this site, but I’ll try v3.
http://www.microsoft.com/downloads/details.aspx?FamilyId=6EDFB30F-B1AB-42A8-A330-ACD6762961BC&displaylang=en
hh said
am April 25 2008 @ 5:22 pm
I have downloaded the file and have attempted to run it, but I keep getting that the patch “is not a valid Win32 application.” What am I missing here?
hh said
am April 25 2008 @ 5:34 pm
Thank you so much for posting WindowsXP-KB934428-v2-x86-ENU.zip (512kb) on your website. The Microsoft site has WindowsXP-KB934428-v3-x86-ENU.exe (96kb) on their website, and the file did not install. Yours installed, and now my laptop (Dell Inspiron 6000) reads the card perfectly.
Bob Marshall said
am May 20 2008 @ 10:13 am
I have XP SP3 and it won’t allow me to install this hotfix saying that my system is newer than the fix. Still can’t read 4GD cards!! Can anyone help?
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Phillip said
am July 2 2008 @ 4:16 pm
I got my Inspiron E1505 to read the card but I get no soung off of video recordings. Anyone have any ideas?