TI driver PCIxx12 with XP - Texas Instruments TI Integrated FlashMedia Reader to work with SDHC -
if you've reached here, your TI Integrated Flash Media reader PCIxx12 won't read 4 gb sd cards in XP
Upgrade your TI driver PCIxx12 to version 18.104.22.168 for PCIxx21.
Search for "ti pcixx21 driver 22.214.171.124 flash reader" to find some computer brand's install program. Download the complete install program and manually update the existing driver with the driver in the install program's subdirectory. Don't run the install program.
The newer drivers list as for Vista, but actually include XP.
Download whatever install program includes the 126.96.36.199 driver and manually update your PCIcc12 with the PCIxx21 188.8.131.52 "tifm21.inf".
Use RH mouse button menu "install" that "inf".