Windows XP and 7 only can recognize one partition on removable disk

A USB drive is recognized as removable disk, so Windows XP/7 only recognizes the first partition. If our USB drive has two partitions, it can be detected under WinCE and Linux, but not in Windows XP/7.

One way is to hack the USBSTOR.SYS. The data is in below link.

http://www.prime-expert.com/articles/a05/enabling-multiple-partitions-on-removable-usb-storage-devices.php