Supported operating system:

Windows 2000
Windows XP 32-bit
Windows XP 64-bit
Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit
Windows Server 2003 32-bit
Windows Server 2003 64-bit

Release note:
JMicron JMB38xx card reader version R1.00.34 WHQL driver for Win2000/XP/2003/
XP-64/2003-64/Vista/Vista-64/Win7/Win7-64 released on 4th Nov 2009.

Improved compatibility.

Supported Devices:
JMB38X MS Host Controller
JMB38X SD Host Controller
JMB38X SD/MMC Host Controller
JMB38X xD Host Controller