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- True IDE Compatibility: Fully compliant with the ATA/IDE standard; recognized by any BIOS as a standard hard drive.
- Plug‑and‑Play Operation: No special drivers or software required; supports automatic detection by most BIOS implementations.
- Compact L‑Form Design: 44‑pin horizontal (L‑shaped) connector for space‑constrained embedded boards.
- Industrial Grade Reliability: Operating temperature range 0 °C to +70 °C; non‑operating –20 °C to +85 °C.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA.
- High Shock and Vibration Tolerance: Solid‑state design with no moving parts ensures durability in harsh environments.
- Error Correction and Wear Leveling: Built‑in ECC (Error Correction Code), defect‑block management, and wear‑leveling algorithms extend flash lifetime.
- Fast Access Time: Average seek < 0.1 ms; random read 0.3 ms (typ.); sequential read 0.3 ms (typ.).
- Flexible Master/Slave Configuration: Configurable via jumper (JP1) on 44‑pin models.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, Linux, and other IDE‑aware operating systems.
- Long Data Retention: NAND flash guarantees data retention ≥ 10 years without external power.
- MTBF: 300,000 rewrite cycles @ 25 °C (typical).
- Plug‑and‑Play Operation: No special drivers or software required; supports automatic detection by most BIOS implementations.
- Compact L‑Form Design: 44‑pin horizontal (L‑shaped) connector for space‑constrained embedded boards.
- Industrial Grade Reliability: Operating temperature range 0 °C to +70 °C; non‑operating –20 °C to +85 °C.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA.
- High Shock and Vibration Tolerance: Solid‑state design with no moving parts ensures durability in harsh environments.
- Error Correction and Wear Leveling: Built‑in ECC (Error Correction Code), defect‑block management, and wear‑leveling algorithms extend flash lifetime.
- Fast Access Time: Average seek < 0.1 ms; random read 0.3 ms (typ.); sequential read 0.3 ms (typ.).
- Flexible Master/Slave Configuration: Configurable via jumper (JP1) on 44‑pin models.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, Linux, and other IDE‑aware operating systems.
- Long Data Retention: NAND flash guarantees data retention ≥ 10 years without external power.
- MTBF: 300,000 rewrite cycles @ 25 °C (typical).
Comprehensive Product Summary – DOM‑0016M‑44H‑432 (16 MB Disk On Module, 44‑Pin Horizontal)
### 1. Product Overview
Product Name: Disk On Module (DOM)
Model Number: DOM‑0016M‑44H‑432
Series: DOM‑2000 / FFD‑2000 Series (PQI DiskOnModule DH Series)
Article Number: DOM‑0016M‑44H‑432
Manufacturer: Power Quotation International Co., Ltd. (PQI – IC Storage Specialist)
Product Description:
The DOM‑0016M‑44H‑432 is a 16 MB industrial‑grade solid‑state storage module that connects directly to a 44‑pin IDE (ATA) interface. It functions as a fully compatible IDE hard‑disk replacement, providing non‑volatile NAND flash storage in a compact, L‑shaped horizontal form factor. Designed for embedded and industrial systems, it offers high reliability, low power consumption, and resistance to vibration and temperature variations.
### 2. Key Features
- True IDE Compatibility: Fully compliant with the ATA/IDE standard; recognized by any BIOS as a standard hard drive.
- Plug‑and‑Play Operation: No special drivers or software required; supports automatic detection by most BIOS implementations.
- Compact L‑Form Design: 44‑pin horizontal (L‑shaped) connector for space‑constrained embedded boards.
- Industrial Grade Reliability: Operating temperature range 0 °C to +70 °C; non‑operating –20 °C to +85 °C.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA.
- High Shock and Vibration Tolerance: Solid‑state design with no moving parts ensures durability in harsh environments.
- Error Correction and Wear Leveling: Built‑in ECC (Error Correction Code), defect‑block management, and wear‑leveling algorithms extend flash lifetime.
- Fast Access Time: Average seek < 0.1 ms; random read 0.3 ms (typ.); sequential read 0.3 ms (typ.).
- Flexible Master/Slave Configuration: Configurable via jumper (JP1) on 44‑pin models.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, Linux, and other IDE‑aware operating systems.
- Long Data Retention: NAND flash guarantees data retention ≥ 10 years without external power.
- MTBF: 300,000 rewrite cycles @ 25 °C (typical).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Capacity | 16 MB |
| Flash Type | NAND Flash Memory |
| Interface | 44‑pin IDE (2.00 mm pitch) |
| Form Factor | L‑Form Horizontal DOM |
| Connector Type | 44‑pin female IDE connector (integrated power pins) |
| Default Configuration | Master (JP1 On); Slave (JP1 Off) |
| Dimensions | Approx. 33 mm × 51 mm PCB outline (L‑form orientation) |
| Weight | < 10 g (typical) |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | –20 °C to +85 °C |
| Relative Humidity | 5 % – 95 % (non‑condensing) |
| Shock Resistance | 150 G (2.2 ms half‑sine) |
| Vibration Resistance | 15 G p‑p max (operating and non‑operating) |
| Power Supply | DC +3.3 V ± 10 % or DC +5.0 V ± 10 % |
| Power Consumption | Read 21 mA (typ.), Write 28 mA (typ.), Sleep 0.3 mA (typ.) |
| MTBF | 300,000 rewrite cycles @ 25 °C |
| Data Retention | ≥ 10 years |
| Sector Size | 512 bytes |
| ECC Capability | 1‑bit correction / 2‑bit detection per word (typical hardware ECC) |
### 4. Functionality
Operating Principle:
The DOM‑0016M‑44H‑432 uses NAND flash memory managed by an internal DSP‑based controller that emulates a standard IDE hard disk. The controller handles logical‑to‑physical block mapping, wear leveling, and error correction transparently to the host system.
Use Cases and Applications:
- Embedded industrial controllers
- Data acquisition and measurement systems
- Telecommunications equipment and routers
- Kiosks and POS (Point‑of‑Sale) terminals
- Set‑top boxes and digital signage
- Transportation and vehicle computers
- Military and avionics systems
- ATM and banking terminals
- Network appliances and gateways
Compatibility:
Operates as a standard IDE/ATA device; compatible with any system supporting 44‑pin IDE interfaces. No special drivers required. Supports BIOS auto‑detection or manual CHS configuration.
### 5. Components & Accessories
Included Items:
- DOM‑0016M‑44H‑432 module (44‑pin horizontal L‑form)
- Integrated 44‑pin female connector with power pins
- Jumper JP1 for Master/Slave selection
Optional Accessories:
- 44‑pin to 40‑pin IDE adapter cable (FDA‑04C / FDA‑44C)
- Mounting brackets or retention clips for horizontal installation
- Custom cables for embedded integration
Connectors:
- 44‑pin IDE (2.00 mm pitch) female connector with integrated +5 V power pins (41–42)
- Jumper block JP1 for Master/Slave configuration
### 6. Installation & Setup
Requirements:
- Host system with 44‑pin IDE interface (2.00 mm pitch)
- BIOS support for IDE devices ≥ 16 MB
- Power supply +5 V or +3.3 V within ±10 % tolerance
Mounting Options:
- Direct horizontal plug‑in to motherboard IDE socket (44‑pin)
- Optional adapter for vertical mount or 40‑pin conversion
Configuration Procedure:
1. Power Off System: Ensure the host is powered down and grounded.
2. Insert Module: Align pin 1 (triangle mark) on the DOM with pin 1 on the IDE connector.
3. Set Master/Slave: Use JP1 jumper – On = Master (default), Off = Slave.
4. Secure Module: Ensure firm connection and mechanical stability.
5. BIOS Configuration: Enable AUTO drive detection or enter manual CHS values (16 MB = Cyl 1000, Head 2, Sector 16).
6. Partition & Format: Use FDISK and FORMAT utilities under DOS or OS setup tools.
Caution: Always handle the module with ESD protection and avoid bending the pins during installation or removal.
### 7. Performance & Capabilities
| Metric | Typical Value | Description |
|-------------|-------------------|-----------------|
| Media Transfer Rate (Read) | 2.5 MB/s (typ.) | Sequential read throughput |
| Media Transfer Rate (Write) | 1.2 MB/s (typ.) | Sequential write throughput |
| Host Burst Transfer Rate | 8.3 MB/s (PIOMode 2) | Maximum bus transfer rate |
| Average Data Transfer Rate | 6 MB/s (typ.) | Sustained average throughput |
| Average Seek Time | < 0.1 ms | Logical seek latency |
| Random Read Time | 0.3 ms (typ.) | Random access read latency |
| Random Write Time | 9.67 ms (typ.) | Random write latency |
| Sequential Read Time | 0.3 ms (typ.) | Sequential read latency |
| Sequential Write Time | 9.71 ms (typ.) | Sequential write latency |
Performance Notes:
- Performance values may vary depending on host controller and PIO mode support.
- Optimized for PIO Mode 2 operation (8.3 MB/s burst).
- Internal controller uses buffering and wear‑leveling to maintain consistent throughput.
Limitations:
- Capacity limited to 16 MB for this model.
- Not intended for high‑frequency write applications (e.g., logging at > 1 MB/s continuous).
### 8. Standards & Compliance
- Interface Standard: ATA/ATAPI‑4 (IDE 44‑pin 2.00 mm pitch)
- Electrical Compliance: +3.3 V / +5 V DC tolerance ±10 %
- Environmental Compliance: Operating 0 °C – 70 °C; non‑operating –20 °C – 85 °C
- Shock & Vibration: Complies with industrial grade specifications (150 G shock, 15 G vibration)
- EMC & Safety: Designed to meet CE and FCC Class B requirements for embedded devices
- RoHS Status: Compliant with lead‑free manufacturing standards (when specified by production lot)
- Quality Assurance: Manufactured under ISO 9001 certified processes
### 9. Additional Information
Warranty:
Typically 1‑year limited manufacturer warranty against defects in materials and workmanship.
Support & Maintenance:
- Technical support available via PQI representatives and authorized distributors.
- Firmware updates and custom configurations available for OEM orders.
- Recommended to avoid frequent power cycling during write operations to maximize flash endurance.
Maintenance Guidelines:
- No moving parts – no mechanical maintenance required.
- Periodic data backup recommended for critical applications.
- Ensure adequate ESD protection during handling and installation.
Product Lifecycle Status:
Ongoing production as of release date (March 1, 2002 release for 44‑pin L‑form models).
Trademark Notice:
DiskOnModule ™ is a registered trademark of Power Quotation International Co., Ltd. All other trademarks are the property of their respective owners.
### Summary of Model Designation
Model Code: FDxxx‑432LFD / FDxxx‑432LFM
- FD: Flash Disk (DOM and 2.5″ IDE Flash Disk family)
- xxx: Capacity indicator (016 = 16 MB)
- 4: 44‑pin interface
- 32: PCB width (32 mm)
- L: L‑form (horizontal mount)
- F: Female connector
- D: Dummy (horizontal plug‑in type)
- M: Male connector (optional variant)
Thus, DOM‑0016M‑44H‑432 corresponds to a 16 MB 44‑pin horizontal L‑form Disk On Module with female connector and integrated power pins.
### 10. Summary of Electrical Interface (Pin Assignments)
44‑Pin IDE Connector (2.00 mm Pitch):
| Pin | Signal | Pin | Signal |
|----------|-------------|----------|-------------|
| 1 | RESET– | 2 | GND |
| 3 | DD7 | 4 | DD8 |
| 5 | DD6 | 6 | DD9 |
| 7 | DD5 | 8 | DD10 |
| 9 | DD4 | 10 | DD11 |
| 11 | DD3 | 12 | DD12 |
| 13 | DD2 | 14 | DD13 |
| 15 | DD1 | 16 | DD14 |
| 17 | DD0 | 18 | DD15 |
| 19 | GND | 20 | (+5 V Key) |
| 21 | DMARQ | 22 | GND |
| 23 | DIOW– | 24 | GND |
| 25 | DIOR– | 26 | GND |
| 27 | IORDY | 28 | CSEL |
| 29 | DMACK– | 30 | GND |
| 31 | INTRQ | 32 | Reserved |
| 33 | DA1 | 34 | PDIAG– |
| 35 | DA0 | 36 | DA2 |
| 37 | CS0– | 38 | CS1– |
| 39 | DASP– | 40 | GND |
| 41 | +5 V (logic) | 42 | +5 V (motor/power) |
| 43 | GND (return) | 44 | TYPE– (0 = ATA) |
### 11. Reliability and Flash Management
Defect Block Management:
Reserved blocks replace failed blocks automatically to maintain data integrity.
Wear Leveling:
Dynamic algorithm distributes write cycles evenly across all flash cells to extend lifetime.
ECC (Error Correction Code):
Hardware and firmware ECC correct single‑bit errors and detect double‑bit errors per word.
Power Failure Protection:
If power is lost during programming, only the latest 512 bytes may be affected; data is recovered on next power‑on.
### 12. Physical Outline and Form Factor
- Form: L‑shaped horizontal mount for 44‑pin IDE socket.
- PCB Width: 32 mm (“432” designation).
- Connector Orientation: Horizontal to mainboard plane.
- Housing: Optional protective cover available (FDxxx‑439LXX variant).
- Mounting: Direct plug‑in without cable; optional retention clip for vibration environments.
### 13. Typical BIOS CHS Parameters (for Manual Setup)
| Capacity | Cylinders | Heads | Sectors/Track | Total Sectors |
|---------------|---------------|------------|-------------------|-------------------|
| 16 MB | 1000 | 2 | 16 | 32,000 |
Use these values for manual BIOS configuration if auto‑detection is not available.
### 14. Summary of Advantages
- Compact and Rugged: Ideal for embedded and industrial applications where space and reliability are critical.
- Low Power Draw: Suitable for battery‑powered or energy‑sensitive systems.
- High Reliability: ECC and wear leveling ensure long service life.
- Ease of Integration: Standard IDE interface simplifies design and maintenance.
- Silent Operation: No moving parts – no noise or mechanical wear.
### 15. Ordering Information
| Model | Capacity | Form | Housing | Status |
|------------|--------------|-----------|--------------|-------------|
| FD016‑432LXX | 16 MB | L‑Form (44‑pin horizontal) | No housing | Ongoing product |
| FD016‑439LXX | 16 MB | L‑Form (44‑pin horizontal) | With housing | Released Mar 1, 2002 |
Minimum Order Quantity: Standard production lot per PQI terms (typically ≥ 3,000 pcs for custom variants).
### 16. Summary of Environmental and Operational Limits
| Parameter | Operating | Non‑Operating |
|----------------|---------------|-------------------|
| Temperature | 0 °C to +70 °C | –20 °C to +85 °C |
| Humidity | 5 % – 95 % RH | 5 % – 95 % RH |
| Shock | 150 G (2.2 ms half‑sine) | 150 G (2.2 ms half‑sine) |
| Vibration | 15 G p‑p max | 15 G p‑p max |
### 17. Lifecycle and Support
- Product Lifecycle: Active production status as of 2002 release; legacy support for industrial OEM applications.
- Technical Documentation: User’s Technical Manual (Rev. 1.20) and PQI DH Series Datasheet (Rev. A.0).
- Customization: OEM form‑factor and capacity options available upon request.
- Service and RMA: Handled through authorized PQI service centers.
### 18. Conclusion
The DOM‑0016M‑44H‑432 represents a robust, compact, and energy‑efficient solid‑state storage solution for embedded and industrial systems requiring IDE compatibility. Its 16 MB capacity, 44‑pin horizontal form factor, and industrial‑grade design make it ideal for legacy controllers, data logging equipment, and mission‑critical applications where mechanical hard drives are impractical.
With its combination of low power consumption, fast access times, and high reliability through ECC and wear leveling, the DOM‑0016M‑44H‑432 continues to serve as a dependable flash‑based IDE storage module for long‑lifecycle industrial platforms.
End of Product Summary – DOM‑0016M‑44H‑432
### 1. Product Overview
Product Name: Disk On Module (DOM)
Model Number: DOM‑0016M‑44H‑432
Series: DOM‑2000 / FFD‑2000 Series (PQI DiskOnModule DH Series)
Article Number: DOM‑0016M‑44H‑432
Manufacturer: Power Quotation International Co., Ltd. (PQI – IC Storage Specialist)
Product Description:
The DOM‑0016M‑44H‑432 is a 16 MB industrial‑grade solid‑state storage module that connects directly to a 44‑pin IDE (ATA) interface. It functions as a fully compatible IDE hard‑disk replacement, providing non‑volatile NAND flash storage in a compact, L‑shaped horizontal form factor. Designed for embedded and industrial systems, it offers high reliability, low power consumption, and resistance to vibration and temperature variations.
### 2. Key Features
- True IDE Compatibility: Fully compliant with the ATA/IDE standard; recognized by any BIOS as a standard hard drive.
- Plug‑and‑Play Operation: No special drivers or software required; supports automatic detection by most BIOS implementations.
- Compact L‑Form Design: 44‑pin horizontal (L‑shaped) connector for space‑constrained embedded boards.
- Industrial Grade Reliability: Operating temperature range 0 °C to +70 °C; non‑operating –20 °C to +85 °C.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA.
- High Shock and Vibration Tolerance: Solid‑state design with no moving parts ensures durability in harsh environments.
- Error Correction and Wear Leveling: Built‑in ECC (Error Correction Code), defect‑block management, and wear‑leveling algorithms extend flash lifetime.
- Fast Access Time: Average seek < 0.1 ms; random read 0.3 ms (typ.); sequential read 0.3 ms (typ.).
- Flexible Master/Slave Configuration: Configurable via jumper (JP1) on 44‑pin models.
- Broad OS Support: Compatible with Windows 95/98/NT/2000/CE, Embedded NT, QNX, Linux, and other IDE‑aware operating systems.
- Long Data Retention: NAND flash guarantees data retention ≥ 10 years without external power.
- MTBF: 300,000 rewrite cycles @ 25 °C (typical).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Capacity | 16 MB |
| Flash Type | NAND Flash Memory |
| Interface | 44‑pin IDE (2.00 mm pitch) |
| Form Factor | L‑Form Horizontal DOM |
| Connector Type | 44‑pin female IDE connector (integrated power pins) |
| Default Configuration | Master (JP1 On); Slave (JP1 Off) |
| Dimensions | Approx. 33 mm × 51 mm PCB outline (L‑form orientation) |
| Weight | < 10 g (typical) |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | –20 °C to +85 °C |
| Relative Humidity | 5 % – 95 % (non‑condensing) |
| Shock Resistance | 150 G (2.2 ms half‑sine) |
| Vibration Resistance | 15 G p‑p max (operating and non‑operating) |
| Power Supply | DC +3.3 V ± 10 % or DC +5.0 V ± 10 % |
| Power Consumption | Read 21 mA (typ.), Write 28 mA (typ.), Sleep 0.3 mA (typ.) |
| MTBF | 300,000 rewrite cycles @ 25 °C |
| Data Retention | ≥ 10 years |
| Sector Size | 512 bytes |
| ECC Capability | 1‑bit correction / 2‑bit detection per word (typical hardware ECC) |
### 4. Functionality
Operating Principle:
The DOM‑0016M‑44H‑432 uses NAND flash memory managed by an internal DSP‑based controller that emulates a standard IDE hard disk. The controller handles logical‑to‑physical block mapping, wear leveling, and error correction transparently to the host system.
Use Cases and Applications:
- Embedded industrial controllers
- Data acquisition and measurement systems
- Telecommunications equipment and routers
- Kiosks and POS (Point‑of‑Sale) terminals
- Set‑top boxes and digital signage
- Transportation and vehicle computers
- Military and avionics systems
- ATM and banking terminals
- Network appliances and gateways
Compatibility:
Operates as a standard IDE/ATA device; compatible with any system supporting 44‑pin IDE interfaces. No special drivers required. Supports BIOS auto‑detection or manual CHS configuration.
### 5. Components & Accessories
Included Items:
- DOM‑0016M‑44H‑432 module (44‑pin horizontal L‑form)
- Integrated 44‑pin female connector with power pins
- Jumper JP1 for Master/Slave selection
Optional Accessories:
- 44‑pin to 40‑pin IDE adapter cable (FDA‑04C / FDA‑44C)
- Mounting brackets or retention clips for horizontal installation
- Custom cables for embedded integration
Connectors:
- 44‑pin IDE (2.00 mm pitch) female connector with integrated +5 V power pins (41–42)
- Jumper block JP1 for Master/Slave configuration
### 6. Installation & Setup
Requirements:
- Host system with 44‑pin IDE interface (2.00 mm pitch)
- BIOS support for IDE devices ≥ 16 MB
- Power supply +5 V or +3.3 V within ±10 % tolerance
Mounting Options:
- Direct horizontal plug‑in to motherboard IDE socket (44‑pin)
- Optional adapter for vertical mount or 40‑pin conversion
Configuration Procedure:
1. Power Off System: Ensure the host is powered down and grounded.
2. Insert Module: Align pin 1 (triangle mark) on the DOM with pin 1 on the IDE connector.
3. Set Master/Slave: Use JP1 jumper – On = Master (default), Off = Slave.
4. Secure Module: Ensure firm connection and mechanical stability.
5. BIOS Configuration: Enable AUTO drive detection or enter manual CHS values (16 MB = Cyl 1000, Head 2, Sector 16).
6. Partition & Format: Use FDISK and FORMAT utilities under DOS or OS setup tools.
Caution: Always handle the module with ESD protection and avoid bending the pins during installation or removal.
### 7. Performance & Capabilities
| Metric | Typical Value | Description |
|-------------|-------------------|-----------------|
| Media Transfer Rate (Read) | 2.5 MB/s (typ.) | Sequential read throughput |
| Media Transfer Rate (Write) | 1.2 MB/s (typ.) | Sequential write throughput |
| Host Burst Transfer Rate | 8.3 MB/s (PIOMode 2) | Maximum bus transfer rate |
| Average Data Transfer Rate | 6 MB/s (typ.) | Sustained average throughput |
| Average Seek Time | < 0.1 ms | Logical seek latency |
| Random Read Time | 0.3 ms (typ.) | Random access read latency |
| Random Write Time | 9.67 ms (typ.) | Random write latency |
| Sequential Read Time | 0.3 ms (typ.) | Sequential read latency |
| Sequential Write Time | 9.71 ms (typ.) | Sequential write latency |
Performance Notes:
- Performance values may vary depending on host controller and PIO mode support.
- Optimized for PIO Mode 2 operation (8.3 MB/s burst).
- Internal controller uses buffering and wear‑leveling to maintain consistent throughput.
Limitations:
- Capacity limited to 16 MB for this model.
- Not intended for high‑frequency write applications (e.g., logging at > 1 MB/s continuous).
### 8. Standards & Compliance
- Interface Standard: ATA/ATAPI‑4 (IDE 44‑pin 2.00 mm pitch)
- Electrical Compliance: +3.3 V / +5 V DC tolerance ±10 %
- Environmental Compliance: Operating 0 °C – 70 °C; non‑operating –20 °C – 85 °C
- Shock & Vibration: Complies with industrial grade specifications (150 G shock, 15 G vibration)
- EMC & Safety: Designed to meet CE and FCC Class B requirements for embedded devices
- RoHS Status: Compliant with lead‑free manufacturing standards (when specified by production lot)
- Quality Assurance: Manufactured under ISO 9001 certified processes
### 9. Additional Information
Warranty:
Typically 1‑year limited manufacturer warranty against defects in materials and workmanship.
Support & Maintenance:
- Technical support available via PQI representatives and authorized distributors.
- Firmware updates and custom configurations available for OEM orders.
- Recommended to avoid frequent power cycling during write operations to maximize flash endurance.
Maintenance Guidelines:
- No moving parts – no mechanical maintenance required.
- Periodic data backup recommended for critical applications.
- Ensure adequate ESD protection during handling and installation.
Product Lifecycle Status:
Ongoing production as of release date (March 1, 2002 release for 44‑pin L‑form models).
Trademark Notice:
DiskOnModule ™ is a registered trademark of Power Quotation International Co., Ltd. All other trademarks are the property of their respective owners.
### Summary of Model Designation
Model Code: FDxxx‑432LFD / FDxxx‑432LFM
- FD: Flash Disk (DOM and 2.5″ IDE Flash Disk family)
- xxx: Capacity indicator (016 = 16 MB)
- 4: 44‑pin interface
- 32: PCB width (32 mm)
- L: L‑form (horizontal mount)
- F: Female connector
- D: Dummy (horizontal plug‑in type)
- M: Male connector (optional variant)
Thus, DOM‑0016M‑44H‑432 corresponds to a 16 MB 44‑pin horizontal L‑form Disk On Module with female connector and integrated power pins.
### 10. Summary of Electrical Interface (Pin Assignments)
44‑Pin IDE Connector (2.00 mm Pitch):
| Pin | Signal | Pin | Signal |
|----------|-------------|----------|-------------|
| 1 | RESET– | 2 | GND |
| 3 | DD7 | 4 | DD8 |
| 5 | DD6 | 6 | DD9 |
| 7 | DD5 | 8 | DD10 |
| 9 | DD4 | 10 | DD11 |
| 11 | DD3 | 12 | DD12 |
| 13 | DD2 | 14 | DD13 |
| 15 | DD1 | 16 | DD14 |
| 17 | DD0 | 18 | DD15 |
| 19 | GND | 20 | (+5 V Key) |
| 21 | DMARQ | 22 | GND |
| 23 | DIOW– | 24 | GND |
| 25 | DIOR– | 26 | GND |
| 27 | IORDY | 28 | CSEL |
| 29 | DMACK– | 30 | GND |
| 31 | INTRQ | 32 | Reserved |
| 33 | DA1 | 34 | PDIAG– |
| 35 | DA0 | 36 | DA2 |
| 37 | CS0– | 38 | CS1– |
| 39 | DASP– | 40 | GND |
| 41 | +5 V (logic) | 42 | +5 V (motor/power) |
| 43 | GND (return) | 44 | TYPE– (0 = ATA) |
### 11. Reliability and Flash Management
Defect Block Management:
Reserved blocks replace failed blocks automatically to maintain data integrity.
Wear Leveling:
Dynamic algorithm distributes write cycles evenly across all flash cells to extend lifetime.
ECC (Error Correction Code):
Hardware and firmware ECC correct single‑bit errors and detect double‑bit errors per word.
Power Failure Protection:
If power is lost during programming, only the latest 512 bytes may be affected; data is recovered on next power‑on.
### 12. Physical Outline and Form Factor
- Form: L‑shaped horizontal mount for 44‑pin IDE socket.
- PCB Width: 32 mm (“432” designation).
- Connector Orientation: Horizontal to mainboard plane.
- Housing: Optional protective cover available (FDxxx‑439LXX variant).
- Mounting: Direct plug‑in without cable; optional retention clip for vibration environments.
### 13. Typical BIOS CHS Parameters (for Manual Setup)
| Capacity | Cylinders | Heads | Sectors/Track | Total Sectors |
|---------------|---------------|------------|-------------------|-------------------|
| 16 MB | 1000 | 2 | 16 | 32,000 |
Use these values for manual BIOS configuration if auto‑detection is not available.
### 14. Summary of Advantages
- Compact and Rugged: Ideal for embedded and industrial applications where space and reliability are critical.
- Low Power Draw: Suitable for battery‑powered or energy‑sensitive systems.
- High Reliability: ECC and wear leveling ensure long service life.
- Ease of Integration: Standard IDE interface simplifies design and maintenance.
- Silent Operation: No moving parts – no noise or mechanical wear.
### 15. Ordering Information
| Model | Capacity | Form | Housing | Status |
|------------|--------------|-----------|--------------|-------------|
| FD016‑432LXX | 16 MB | L‑Form (44‑pin horizontal) | No housing | Ongoing product |
| FD016‑439LXX | 16 MB | L‑Form (44‑pin horizontal) | With housing | Released Mar 1, 2002 |
Minimum Order Quantity: Standard production lot per PQI terms (typically ≥ 3,000 pcs for custom variants).
### 16. Summary of Environmental and Operational Limits
| Parameter | Operating | Non‑Operating |
|----------------|---------------|-------------------|
| Temperature | 0 °C to +70 °C | –20 °C to +85 °C |
| Humidity | 5 % – 95 % RH | 5 % – 95 % RH |
| Shock | 150 G (2.2 ms half‑sine) | 150 G (2.2 ms half‑sine) |
| Vibration | 15 G p‑p max | 15 G p‑p max |
### 17. Lifecycle and Support
- Product Lifecycle: Active production status as of 2002 release; legacy support for industrial OEM applications.
- Technical Documentation: User’s Technical Manual (Rev. 1.20) and PQI DH Series Datasheet (Rev. A.0).
- Customization: OEM form‑factor and capacity options available upon request.
- Service and RMA: Handled through authorized PQI service centers.
### 18. Conclusion
The DOM‑0016M‑44H‑432 represents a robust, compact, and energy‑efficient solid‑state storage solution for embedded and industrial systems requiring IDE compatibility. Its 16 MB capacity, 44‑pin horizontal form factor, and industrial‑grade design make it ideal for legacy controllers, data logging equipment, and mission‑critical applications where mechanical hard drives are impractical.
With its combination of low power consumption, fast access times, and high reliability through ECC and wear leveling, the DOM‑0016M‑44H‑432 continues to serve as a dependable flash‑based IDE storage module for long‑lifecycle industrial platforms.
End of Product Summary – DOM‑0016M‑44H‑432
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