SM321AB, SM321AC, SM323AA, SM323AB, SM323AC, SM324BB, SM324BC, SM3255AA, SM3257ENAA, and related variants.
This differs from basic OS-level formatting, which simply erases file tables without addressing controller-level defects. And for SM32x/SM34x controllers, . While others like Dyna MPTool exist for specific low-quality flash chips, MPTOOL is generally the preferred starting point.
Faster, but may fail if the NAND has significant "bad blocks". Capacity Setting: For standard MLC/TLC flash, set the allowed or higher (up to 100 for low-quality memory). Disk Type: for a standard removable drive or to make it appear as a local fixed disk. SMI MPTool SM32X \ SM34X [SMI Mass Production Tool]
The flash memory chip has degraded past its endurance threshold.
Silicon Motion categorizes its controllers into distinct families: smi mptool sm32x sm34x smi mass production tool full
Close the tool, unplug the drive, and reinsert it. Windows will detect a fresh, fully functional flash drive.
If the SMI MPTool throws a persistent connection error or refuses to recognize the drive, the controller firmware is likely stuck in an infinite loop. You must force the controller into manually.
: Can convert a standard flash drive into specialized modes like a bootable CD-ROM partition , a security-encrypted drive, or a write-protected device. Choosing the Right Version
Using the SM32X Mass Production Tool requires caution. 1. Identify Your Controller While others like Dyna MPTool exist for specific
Master the SMI MPTool, and you’ll never throw away a "broken" flash drive again.
First, use a utility like ChipGenius to identify your USB drive's exact controller model. This is the most critical step for selecting the correct MPTOOL version, as using the wrong one can cause permanent damage.
It's used for:
or power down your PC during execution. The process can take anywhere from 2 to 20 minutes depending on the drive capacity and the depth of the bad-block scan. Disk Type: for a standard removable drive or
: Run the application on Windows 7 or Windows 10. Right-click SM32Xtest.exe (or SM34Xtest.exe ) and select Run as Administrator .
If you can provide the specific controller model found by ChipGenius and the flash ID, I can help you identify the best version to download.
or ChipGenius to find your exact controller model and Flash ID. OS Compatibility : Older versions (pre-2012) are best run on Windows XP 32-bit , while newer versions support Windows 7 and above. The "Dyna" Exception
The is a specialized "Mass Production Tool" used to repair, reflash, or modify USB flash drives based on Silicon Motion (SMI) controllers . It is most commonly used to fix "No Media" errors, write-protection issues, or to create unique partitions like CD-ROM areas. Key Features and Uses