SSD Controller Architecture

Maxio SSD Architecture & Recovery Status

The Maxio SATA parts are recoverable in our Austin lab: the MAS0902 & its DM918 Lexar rebrand, plus the MAS1102 & DM928, which ACELab's release notes record as full support from the 7.9x update except drives built on SanDisk and some Toshiba and YMTC NAND. All sit on ACELab's PC-3000 SSD supported-drive list, so PC-3000 SSD can inject a temporary loader into the controller's RAM & read the NAND without modifying it.

Rossmann does not currently offer in-lab recovery for Maxio MAP1202, MAP1602, or MAP1602A drives. Those three controllers are absent from that same ACELab list, so no firmware utility we operate covers them.

The MAS0902 handles SATA. The MAP1202 covers Gen3 NVMe. Every one of these controllers is DRAM-less. SATA Maxio recovery on supported controllers (MAS0902, DM918, MAS1102, DM928) starts at $200. No diagnostic fee.

Rossmann does not currently offer in-lab recovery for Maxio MAP1202, MAP1602, or MAP1602A drives. The MAP family is absent from ACELab's PC-3000 SSD supported-controller list, and no firmware utility we operate covers these controllers.

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Author

Written by

Louis Rossmann

Founder & Chief Technician

Updated August 2026

Which Maxio Controller Is in Your SSD?

Maxio ships controllers across SATA & NVMe Gen3/Gen4. One complication: the DM918 is a rebranded MAS0902 used by Lexar. Same silicon, same PC-3000 interaction, different product label.

Controller	Interface	DRAM	Common Drives	PC-3000 Support
MAS0902	SATA 6Gbps	No	ADATA SU650, Lexar (DM918 rebrand)	Full Active Utility
DM918	SATA 6Gbps	No	Lexar SATA SSDs	Full Active Utility (as MAS0902)
MAS1102	SATA 6Gbps	No	ADATA SU650 (some batches), Apacer AS350	Full support from the 7.9x update (except SanDisk, some Toshiba and some YMTC NAND)
MAP1202	NVMe Gen3 x4	No		Not supported
MAP1602	NVMe Gen4 x4	No		Not supported

BOM roulette warning: manufacturers swap controllers between production runs. The recovery engineer must physically inspect the PCB to identify the controller before selecting a PC-3000 profile.

What Is a NAND Flash ID on a Maxio Drive?

A Maxio board carries a second identifier past the controller marking. The NAND flash ID is what a flash die itself returns when the standard ONFI/JEDEC Read ID command is issued to it. What comes back names the flash manufacturer & that die's own configuration, so the readout rather than the printing on the package is the identity of record. The SSD controller reference walks through that command & what each returned byte means.

How Do Maxio SSDs Fail?

Firmware Corruption

When the firmware is corrupted, your data is still sitting in the NAND chips. The controller can't read its own corrupted firmware to get to it. For supported SATA models (MAS0902, DM918), PC-3000 SSD injects a temporary firmware loader that reads the NAND without going through the corrupted mapping. Maxio NVMe controllers are not currently supported by PC-3000 firmware utilities. SATA firmware recovery: $600–$1,200.

Controller Failure

A dead controller means no detection at all: not in BIOS, not in Disk Management, not through a USB enclosure. Recovery requires board-level repair with a Hakko FM-2032 microsoldering iron on an FM-203 base station, using FLIR thermal imaging to locate the failed component. SATA board repair: $450–$600.

NAND Degradation

NAND flash cells wear out. As cells wear, bit-flip rates climb until the controller's error correction can't keep up. PC-3000 SSD can apply voltage threshold shifts during extraction to pull data from degraded cells that the controller has given up on.

When Recovery Software Works (and When It Doesn't)

Recovery software like Disk Drill, EaseUS, PhotoRec, & R-Studio works when the SSD is physically healthy but has a logical problem: accidental deletion with TRIM disabled, a corrupted partition table, or a formatted volume. These tools talk to a working controller through your operating system.

That changes when the controller is dead or the firmware is corrupted. Software can't communicate with a drive that won't power on or identify in BIOS. At that point, you need a lab with PC-3000 SSD (for supported SATA controllers) & board-level repair capability (for NVMe controllers). Your operating system sends a TRIM command to tell the controller which logical blocks are free. Once those NAND cells are erased, no software and no lab can get the data back.

How Do You Tell Firmware Panic from a Dead

How Do You Tell Firmware Panic from a Dead Controller?

Firmware panic and controller death look similar to the end user: the drive stops working. The difference determines the recovery path and timeline. A dead controller produces no enumeration at all.

On supported SATA models, PC-3000 SSD gets us firmware-level access. On Maxio NVMe controllers, SSD data recovery means board-level repair of the original controller.

MPTool Warning: Do Not Flash Firmware on Drives with Data

Applying a mass production tool (MPTool) to flash new firmware overwrites the FTL metadata and NAND user area. Data becomes permanently unrecoverable. MPTools are designed for blank drives in factory production, not for drives containing user data. The correct path is professional recovery through PC-3000 (SATA) or board-level repair (NVMe).

Pricing

How Much Does Maxio SSD Recovery Cost?

The tiers below cover the Maxio SATA controllers the lab recovers in-house. Rossmann does not currently offer in-lab recovery for the MAP1202, MAP1602, or MAP1602A, so no NVMe Maxio tier is published on this page. No diagnostic fee. No data, no recovery fee. Full SSD recovery cost breakdown. +$100 rush fee to move to the front of the queue.

SATA SSD Recovery (MAS0902, DM918)

Low complexity
Simple Copy
Your drive works, you just need the data moved off it
Functional drive; data transfer to new media
Rush available: +$100
$200
3-5 business days
Low complexity
File System Recovery
Your drive isn't showing up, but it's not physically damaged
File system corruption. Visible to recovery software but not to OS
Starting price; final depends on complexity
From $250
2-4 weeks
Medium complexity
Circuit Board Repair
Your drive won't power on or has shorted components
PCB issues: failed voltage regulators, dead PMICs, shorted capacitors
May require a donor drive (additional cost)
$450–$600
3-6 weeks
Medium complexity
Most Common
Firmware Recovery
Your drive is detected but shows the wrong name, wrong size, or no data
Firmware corruption: ROM, modules, or system files corrupted
Price depends on extent of bad areas in NAND
$600–$1,200
3-6 weeks
High complexity
PCB / NAND Swap
Your drive's circuit board is severely damaged and requires NAND chip transplant to a donor PCB
NAND swap onto donor PCB. Precision microsoldering and BGA rework required
50% deposit required; donor drive cost additional
50% deposit required
$1,200–$1,500
4-8 weeks

Hardware Repair vs. Software Locks

Our "no data, no fee" policy applies to hardware recovery. We do not bill for unsuccessful physical repairs. If we replace a hard drive read/write head assembly or repair a liquid-damaged logic board to a bootable state, the hardware repair is complete and standard rates apply. If data remains inaccessible due to user-configured software locks, a forgotten passcode, or a remote wipe command, the physical repair is still billable. We cannot bypass user encryption or activation locks.

No data, no fee. Free evaluation and firm quote before any paid work. Full guarantee details. NAND swap requires a 50% deposit because donor parts are consumed in the attempt.

Rush fee: +$100 rush fee to move to the front of the queue
Donor drives: A donor drive is a matching SSD used for its circuit board. Typical donor cost: $40–$100 for common models, $150–$300 for discontinued or rare controllers.
Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost plus a small markup. All prices are plus applicable tax.

A donor drive is a matching SSD used for its circuit board. Typical donor cost: $40–$100 for common models, $150–$300 for discontinued or rare controllers.

Maxio Firmware Architecture

MAS Series (SATA): FTL Stored in NAND

The MAS0902 & MAS1102 are DRAM-less SATA 6Gbps controllers. Without DRAM or HMB, the Flash Translation Layer lives in dedicated service area blocks within the NAND itself. FTL updates write directly to these reserved blocks.

The DM918 is the MAS0902 silicon under a Lexar name. PC-3000 SSD works on both with the same Active Utility.

Flash Translation Layer (FTL): The mapping table that converts logical block addresses (what your operating system requests) to physical NAND page locations (where data is stored on the flash chips). Every SSD maintains an FTL. When it corrupts, the controller can't locate any data even though the NAND still holds it.
Host Memory Buffer (HMB): An NVMe specification feature (NVMe 1.2+) that lets the SSD controller borrow a slice of host system RAM as a temporary cache for FTL operations. Eliminates the cost of onboard DRAM but makes the FTL dependent on an uninterruptible PCIe connection to the host.

ROM-Mode Entry & PC-3000 Workflows for

ROM-Mode Entry & PC-3000 Workflows for Maxio Controllers

When a supported Maxio SATA controller (MAS0902, DM918) enters firmware panic, it won't respond to standard read commands. Pin shorting forces it into a diagnostic state where PC-3000 SSD can inject a recovery loader. This technique applies to SATA Maxio controllers with documented Active Utility support. Maxio NVMe controllers (MAP1202, MAP1602, MAP1602A) are not supported by PC-3000 firmware utilities.

PC-3000 Utility Support by Controller Family

MAS0902 / DM918: Full Active Utility

PC-3000 SSD includes a complete Maxio Utility for the MAS0902 & its DM918 rebrand.

MAS1102 / DM928: Supported Family

ACELab's published supported-drive list carries the MAS1102 and the DM928 as their own supported family.

MAP1602 / MAP1602A: Not Supported

PC-3000 SSD does not currently support firmware-level recovery for Maxio NVMe controllers (MAP1602, MAP1602A). There is no Active Utility or Techno Mode access for these controllers. Recovery depends on board-level repair to revive the original controller through microsoldering.

Unsupported Controllers: Board Repair Path

Maxio NVMe controllers (MAP1202, MAP1602, MAP1602A) are not supported by PC-3000 SSD firmware utilities. For unsupported controllers, recovery depends on board-level repair to keep the original controller functional.

Equipment Used

PC-3000 SSD
PC-3000 Portable III
Maxio Utility (MAS0902/DM918)
Hakko FM-2032 microsoldering iron
FLIR thermal camera
Atten 862 hot air rework station
Zhuo Mao BGA rework station

Maxio Drive-to-Controller Reference

Drive	Controller	NAND
ADATA SU650	MAS0902 / MAS1102	Various
Lexar (DM918 models)	DM918 (= MAS0902)	Various

ACELab PC-3000 SSD Support Matrix

ACELab PC-3000 SSD Support Matrix for Maxio Controllers

The matrix below is the per-controller support status published by ACELab for PC-3000 SSD. The entire MAP NVMe family is absent from the ACELab supported-controller list, which is why Rossmann does not currently offer in-lab recovery for those controllers. The source of truth is ACELab's published supported-drives list.

Controller	Interface	ACELab Support Status	Rossmann In-Lab Recovery
MAS0902 / MAS0902A	SATA 6 Gbps	Supported (full Active Utility)	Yes
DM918 (Lexar rebrand of MAS0902)	SATA 6 Gbps	Supported (treated as MAS0902)	Yes
MAP1202	NVMe Gen3 x4	Not supported (absent from the ACELab list)	No
MAP1602	NVMe Gen4 x4	Not supported (absent from the ACELab list)	No

Support disclaimer: Rossmann does not currently offer in-lab recovery for the Maxio MAP1202, MAP1602, or MAP1602A. These controllers are absent from ACELab's PC-3000 SSD supported-controller list and there is no firmware utility we operate that covers them.

How Do the MAP1202 and MAP1602 Product Lines Differ?

Both are DRAM-less, 4-channel NVMe controllers. The gap between them is generational.

Characteristic	MAP1202	MAP1602
PCIe interface	PCIe Gen3 x4	PCIe Gen4 x4
Channels	4-channel	4-channel
DRAM	DRAM-less	DRAM-less

Support disclaimer: Rossmann does not currently offer in-lab recovery for the MAP1202, MAP1602, or MAP1602A. These controllers are absent from ACELab's PC-3000 SSD supported-controller list, so there is no firmware utility we operate that can reconstruct the translator. The specifications above are published for diagnostic context.

FAQ

Maxio SSD Recovery FAQ

How much does Maxio SATA SSD data recovery cost?

SATA Maxio SSD recovery on supported controllers (MAS0902, DM918, MAS1102, DM928; ACE Lab's release notes exclude MAS1102/DM928 drives built on SanDisk and some Toshiba and YMTC NAND) starts at $200 for a simple copy and ranges up to $1,200–$1,500 for NAND transplant. Free evaluation. No data, no fee. +$100 rush fee to move to the front of the queue. Rossmann does not currently offer in-lab recovery for Maxio MAP1202, MAP1602, or MAP1602A drives because those controllers are absent from ACELab's PC-3000 SSD supported-controller list.

What is the difference between MAS0902 and MAP1602 recovery?

The MAS0902 is a SATA controller; the MAP1602 is PCIe Gen4 NVMe. Different interfaces, different failure modes, different recoverability outcomes. The MAP1602 is absent from ACELab's PC-3000 SSD supported-controller list and Rossmann does not currently offer in-lab recovery for MAP1602 or MAP1602A drives. SATA Maxio recovery starts at $200.

Can recovery software fix a dead Maxio SSD?

Recovery software like Disk Drill, EaseUS, or R-Studio works when the SSD is physically healthy and the problem is logical: accidental deletion (with TRIM disabled), a corrupted partition table, or a formatted volume. If the Maxio controller is dead or stuck in firmware panic, recovery software can't talk to the drive. For supported SATA controllers (MAS0902, DM918, MAS1102, DM928), PC-3000 SSD provides firmware-level recovery. For NVMe controllers (MAP1202, MAP1602, MAP1602A), no firmware utility we operate supports the controller and Rossmann does not currently offer in-lab recovery for them.

Why does my drive have a different controller than reviews show?

SSD manufacturers frequently swap controllers between production runs without changing the product name or model number. This practice is called BOM roulette. The recovery engineer must physically identify the controller on the PCB rather than trust the drive label.

Will a firmware update fix my Maxio SSD that shows 0 bytes?

No. Flashing new firmware with an MPTool (mass production tool) overwrites the existing FTL metadata and NAND user data. The data becomes permanently unrecoverable. The correct path for SATA models (MAS0902, DM918, MAS1102, DM928) is PC-3000 SSD, which injects a temporary loader into the controller's RAM to read the NAND contents without modifying anything. For NVMe models (MAP1202, MAP1602, MAP1602A), no professional firmware utility we operate supports the controller and Rossmann does not currently offer in-lab recovery for them; do not flash an MPTool in the hope of fixing the drive.

How long does Maxio SSD recovery take?

It depends on what failed. If you need it sooner, there's a +$100 rush fee to move to the front of the queue. Rossmann does not currently offer in-lab recovery for Maxio MAP1202, MAP1602, or MAP1602A drives. That's because those controllers aren't on ACELab's PC-3000 SSD supported-controller list. So we don't have an NVMe Maxio timeline to give you.

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