Advanced users sometimes use MPall to partition a drive into a public storage area and a virtual CD-ROM (for bootable tools like a Windows installer). V3.70.0e handles this elegantly.
| Problem | Likely Solution |
|--------|----------------|
| Drive not detected | Try a USB 2.0 port, different PC, or short the drive’s test points (advanced). |
| “Read Only Table” error | Settings → Uncheck “Write CID” or use pre-format first. |
| “ISP Failed” | Wrong firmware version. Use ChipGenius to find the exact F/W revision. |
| Windows still shows 0 bytes | Use DiskPart clean after MPall succeeds. | Phison Mpall V3.70.0e
When you open Disk Management, you see an "Unknown Device" or "Not Initialized" error. The drive appears, but you cannot assign a letter, create a partition, or format it. Advanced users sometimes use MPall to partition a
You cannot proceed without knowing your exact controller model. Phison MPall V3.70.0e supports a range of controllers, but you must match the firmware to the chip. | Problem | Likely Solution | |--------|----------------| |
Advanced users sometimes use MPall to partition a drive into a public storage area and a virtual CD-ROM (for bootable tools like a Windows installer). V3.70.0e handles this elegantly.
| Problem | Likely Solution |
|--------|----------------|
| Drive not detected | Try a USB 2.0 port, different PC, or short the drive’s test points (advanced). |
| “Read Only Table” error | Settings → Uncheck “Write CID” or use pre-format first. |
| “ISP Failed” | Wrong firmware version. Use ChipGenius to find the exact F/W revision. |
| Windows still shows 0 bytes | Use DiskPart clean after MPall succeeds. |
When you open Disk Management, you see an "Unknown Device" or "Not Initialized" error. The drive appears, but you cannot assign a letter, create a partition, or format it.
You cannot proceed without knowing your exact controller model. Phison MPall V3.70.0e supports a range of controllers, but you must match the firmware to the chip.