Comprehensive Product Summary – DOM‑0032M‑44V‑426 (32 MB Disk On Module, 44‑Pin Vertical)

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### 1. Product Overview

Product Name: Disk On Module (DOM)
Model Number: DOM‑0032M‑44V‑426
Series: DOM‑2000 / FFD‑2000 Series (PQI Industrial Grade DOM Family)
Article Number: DOM‑0032M‑44V‑426
Manufacturer: Power Quotation International Co., Ltd. (PQI) – IC Storage Specialist
Trademark: DiskOnModule™

The DOM‑0032M‑44V‑426 is a 32 MB solid‑state flash storage module designed as a direct IDE (ATA) hard‑disk replacement. It uses a 44‑pin vertical IDE connector and NAND‑type flash memory, providing non‑volatile, low‑power, and vibration‑resistant storage for embedded, industrial, and portable computing systems.

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### 2. Key Features

- True IDE Compatibility: Fully compliant with the ATA/IDE standard; operates as a standard hard disk without special drivers.
- Compact Module Design: Vertical 44‑pin form factor optimized for space‑constrained embedded boards.
- Industrial Grade Reliability: Rated for 0 °C to +70 °C operation; resistant to shock, vibration, and temperature variation.
- Plug‑and‑Play Operation: Recognized automatically by BIOS; supports auto‑detection and user‑defined CHS modes.
- Low Power Consumption: Typical read 21 mA, write 28 mA, sleep 0.3 mA at +5 V DC.
- High Data Integrity: Built‑in ECC (Error Correction Code), defect‑block management, and wear‑leveling algorithm.
- Fast Access Performance: Average seek time < 0.1 ms; read transfer rate ≈ 2.5 MB/s (typ.); write ≈ 1.2 MB/s (typ.).
- Maintenance‑Free Solid State: No moving parts, no noise, and no mechanical wear.
- Flexible Master/Slave Configuration: Selectable via jumper (JP1) on 44‑pin models.
- Extended Product Line: Capacities from 4 MB to 384 MB (44‑pin DOMs) and up to 512 MB (40‑pin DOMs).

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Flash Type | NAND Flash Memory |
| Capacity | 32 MB (available range 4 MB – 384 MB for 44‑pin DOMs) |
| Interface | 44‑pin IDE (2.00 mm pitch) vertical connector |
| Form Factor | Plain‑form vertical module (“P” type) |
| Default Setting | Master mode (JP1 On); Slave optional (JP1 Off) |
| Dimensions | Approx. 33 mm (W) × 51 mm (L) × 6.3 mm (H) (typical for 44‑pin DOM) |
| Weight | < 10 g (typical) |
| Operating Temperature | 0 °C to +70 °C (industrial grade) |
| Storage Temperature | –20 °C to +85 °C |
| MTBF | 300,000 rewrite cycles @ 25 °C |
| Power Supply | +3.3 V ± 10 % or +5.0 V ± 10 % |
| Power Consumption | Read 21 mA (typ.), Write 28 mA (typ.), Sleep 0.3 mA (typ.) |
| Shock Resistance | 150 G (2.2 ms half‑sine) operating and non‑operating |
| Vibration Resistance | 15 G p‑p max operating and non‑operating |
| Relative Humidity | 5 % – 95 % (non‑condensing) |
| Sector Size | 512 bytes per sector |
| Error Rate | < 10⁻²⁰ (ECC 32 bits per sector) |

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### 4. Functionality

The DOM‑0032M‑44V‑426 functions as a solid‑state IDE drive. It connects directly to a 44‑pin IDE socket on a motherboard or controller, drawing power (+5 V) through the interface. The module emulates a standard hard disk drive at the hardware level, allowing any operating system that supports IDE storage to recognize and use it without additional drivers.

Use Cases and Applications:
- Embedded industrial controllers and automation systems
- Data acquisition and measurement equipment
- Telecommunications and network appliances (routers, gateways, set‑top boxes)
- Kiosks, POS (Point‑of‑Sale) terminals, and ticket vending machines
- Military and avionics systems requiring shock‑resistant storage
- Portable and hand‑held computers with IDE interface
- GPS and security systems
- Legacy PCs and industrial computers replacing mechanical HDDs

Compatibility:
- Fully compatible with IDE/ATA standards (ATA‑2 PIO Mode 2 8.3 MB/s burst rate)
- Supported by all major operating systems (Windows 95/98/NT/2000, WinCE, Embedded NT, QNX, Linux)
- BIOS auto‑detect or manual CHS configuration supported

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### 5. Components & Accessories

Included Items:
- DOM‑0032M‑44V‑426 module (32 MB, 44‑pin vertical)
- Product label with model and serial number

Optional Accessories:
- 44‑pin to 40‑pin IDE adapter cable (for desktop motherboards)
- Mounting bracket or retention clip for vertical installation
- Jumper cap for Master/Slave selection (JP1)

Connectors:
- 44‑pin IDE male connector (2.00 mm pitch) with integrated power pins (41–44 = +5 V and GND)
- No external power cable required for 44‑pin models

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### 6. Installation & Setup

Requirements:
- Host system with 44‑pin IDE interface or adapter
- BIOS support for IDE devices ≥ 32 MB
- Proper grounding to avoid ESD damage

Mounting Options:
- Vertical plug‑in directly onto motherboard IDE header
- Optional adapter for horizontal mounting if space constraints require

Configuration Procedure:
1. Power Off System: Ensure the host is powered down and unplugged.
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 (default Master = On; remove jumper for Slave).
4. Secure Module: If necessary, use mounting hardware to prevent vibration movement.
5. Power On and BIOS Setup: Enter BIOS setup and enable auto‑detection or manually enter CHS values (500 cylinders, 8 heads, 16 sectors for 32 MB typical).
6. Partition and Format: Use FDISK and FORMAT utilities under DOS or OS tools to create partitions and format the drive.

Cautions:
- Handle with ESD protection (wrist strap recommended).
- Do not force the module into the connector; ensure proper alignment.
- Use both hands to remove the DOM to avoid bending pins.

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### 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 (max, PIO Mode 2) | Interface burst rate |
| Average Data Transfer Rate | 6 MB/s (typ.) | Sustained average throughput |
| Average Seek Time | < 0.1 ms | Random access latency |
| Random Read Time | 0.3 ms (typ.) | Random sector read |
| Random Write Time | 9.67 ms (typ.) | Random sector write |
| Sequential Read Time | 0.3 ms (typ.) | Continuous read latency |
| Sequential Write Time | 9.71 ms (typ.) | Continuous write latency |

Performance Characteristics:
- Instantaneous access (< 0.1 ms seek) due to solid‑state architecture.
- Consistent throughput independent of fragmentation or vibration.
- No mechanical latency or spin‑up delay.

Limitations:
- Limited write endurance (typ. 300,000 rewrite cycles per block).
- Capacity restricted to ≤ 384 MB for 44‑pin DOM series.
- PIO Mode 2 only (no DMA support).

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### 8. Standards & Compliance

- Interface Standard: ATA/IDE (ANSI X3.221‑1994, ATA‑2 PIO Mode 2)
- Electrical Compliance: +3.3 V / +5 V DC logic levels per ATA specification
- Environmental Compliance: Industrial temperature range 0 °C – 70 °C; non‑operating –20 °C – 85 °C
- Shock and Vibration: Meets industrial grade specifications (150 G shock, 15 G vibration)
- Reliability Standards: MTBF ≥ 300,000 hours @ 25 °C
- Regulatory Compliance: CE and FCC Class B (typical for PQI industrial modules)
- RoHS Status: Compliant with lead‑free manufacturing standards (subject to production date)

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### 9. Additional Information

Warranty:
- Standard manufacturer warranty (typically 1 year limited hardware warranty from PQI).
- Covers defects in materials and workmanship under normal use.

Technical Support:
- PQI provides technical documentation, installation guides, and firmware updates through authorized distributors.
- Support available for OEM and industrial integration projects.

Maintenance:
- No mechanical maintenance required.
- Periodic data backup recommended to mitigate flash wear effects.
- Avoid frequent write/erase cycles to extend device life.

Firmware and Updates:
- Embedded controller firmware manages ECC, wear leveling, and defect block replacement.
- Firmware updates are rarely required and typically performed by the manufacturer if necessary.

Product Lifecycle Status:
- DOM‑0032M‑44V‑426 listed as “On‑going product” in PQI catalog (Phase out for some earlier variants as of March 2002).
- Long‑term availability for industrial OEM applications.

Model Naming Convention:
- FDxxx‑426P / FDxxx‑426PA → 44‑pin plain‑form DOM (with or without housing)
- xxx = capacity in MB (e.g., 032 = 32 MB)
- 4 = 44‑pin interface; 26 = PCB width (mm); P = plain form; A = with housing
- DOM‑0032M‑44V‑426 corresponds to FD032‑426P (32 MB 44‑pin vertical plain form DOM).

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### Summary of Advantages

- Compact and Rugged: Ideal for embedded and industrial applications where mechanical HDDs are unsuitable.
- High Reliability: ECC and wear‑leveling ensure data integrity and extended service life.
- Low Power and Heat: Operates cool and efficiently without fans or moving parts.
- Ease of Integration: Standard IDE interface and plug‑and‑play operation simplify deployment.
- Broad OS Support: Recognized natively by legacy and modern operating systems.

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### Representative Electrical and Mechanical Data

| Parameter | Value | Unit | Notes |
|----------------|-----------|----------|-----------|
| Supply Voltage (Vcc) | +5.0 ± 10 % / +3.3 ± 10 % | V DC | Dual voltage support |
| Input Current (Read) | 21 | mA | Typical at +5 V |
| Input Current (Write) | 28 | mA | Typical at +5 V |
| Input Current (Sleep) | 0.3 | mA | Typical at +5 V |
| Operating Temp. | 0 – 70 | °C | Industrial grade |
| Storage Temp. | –20 – 85 | °C | Non‑operating |
| Humidity | 5 – 95 | % RH | Non‑condensing |
| Shock Tolerance | 150 | G | 2.2 ms half‑sine |
| Vibration Tolerance | 15 | G p‑p | Operating and non‑operating |
| MTBF | 300,000 | cycles | @ 25 °C typical |
| ECC Capability | 32 bits per sector | — | Hardware ECC engine |
| Flash Endurance | ≥ 300,000 writes per block | — | NAND flash specification |

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### 10. Conclusion

The PQI DOM‑0032M‑44V‑426 is a 32 MB industrial‑grade Disk On Module that delivers reliable, low‑power, solid‑state storage in a compact 44‑pin vertical form factor. Its true IDE compatibility, fast access times, and robust ECC and wear‑leveling features make it an ideal replacement for mechanical hard drives in embedded and industrial applications. With a wide operating temperature range, long MTBF, and plug‑and‑play installation, the DOM‑0032M‑44V‑426 offers a dependable solution for systems requiring durable and maintenance‑free non‑volatile storage.

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Manufacturer: Power Quotation International Co., Ltd. (IC Storage Specialist)
Product Family: DiskOnModule™ DOM‑2000 Series
Model: DOM‑0032M‑44V‑426 (32 MB 44‑Pin Vertical IDE Flash Disk)
Status: On‑going industrial product line (Phase out for earlier variants as of 2002)

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*(All technical data subject to change without notice. DiskOnModule™ is a registered trademark of Power Quotation International Co., Ltd.)*