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🤖Welcome to IODD Guide

Official IODD guide for virtual drive setup, AES256 encryption, disk initialization, troubleshooting, firmware updates, and model reference.

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MINI PRO Comparison
IODD Series Comparison: Find the right model for your needs.

🔔 Latest News

Currently sold products use the latest firmware, so no additional update is required. If there is a new update after May 29, 2024, we will announce it here.

✨ What's New

Duress PIN / Decoy PIN Guide Added Learn how ST400 and MINI PRO can show only a prepared vhd4.vhd volume for a plausibly deniable access workflow when unlocked with the User 4 PIN.

IODD TRIM Tool Released A new Windows utility designed to send TRIM commands to external USB SSDs, maintaining performance and extending lifespan.

📘 Introduction

This documentation provides a comprehensive, step-by-step guide to effectively using your IODD device. While the instructions are primarily tailored for the ST/LK series, most information is applicable to the MINI series as well.

⚠️ Pre-use Checklist

To ensure stable performance and data integrity, please review these requirements:

  • Power Supply: Connect the IODD to a rear USB port on your PC. Laptop users should use a powered USB hub for consistent voltage.

  • Encryption Conflict: Hardware encryption cannot be used simultaneously with OS-level encryption (e.g., BitLocker).

  • Cable Length: Use a USB cable shorter than 50cm to prevent signal degradation.

  • Disk Compatibility:

    • ST300 / ST400 / LK100: 2.5-inch 7mm HDD/SSD.

    • 2531 / 2541 (Legacy): 2.5-inch HDD/SSD up to 9.5mm.

    • MINI (Legacy): M.2 SATA 2242 SSD.

    • MINI PRO: M.2 SATA 2280 SSD.

📊 Hardware Model Comparison

Feature
ST400 / MINI PRO
LK100
ST300
2541 (Legacy)
2531 (Legacy)
MINI (Legacy)

Encryption

AES256 XTS

AES256 XTS

❌

AES256 XTS

❌

AES256 XTS

Virtual ODD

✅

❌

✅

✅

✅

✅

Virtual HDD

✅ (3 LUN)

❌

✅ (3 LUN)

✅ (4 LUN)

✅ (4 LUN)

✅ (3 LUN)

Interface

Type-C (USB 3.1)

Type-C (USB 3.1)

Type-C (USB 3.1)

Micro-B (USB 3.0)

Micro-B (USB 3.0)

Micro-B (USB 3.0)

Controls

Tactile Keys

Tactile Keys

Tactile Keys

Touch Keys

Jog Dial

Tactile Keys

Max PIN

38 Digits

38 Digits

N/A

15 Digits

N/A

15 Digits

2nd P.W.

✅

✅

❌

❌

❌

❌

Admin App

✅

✅

❌

❌

❌

❌

Internal Disk

2.5" 7mm / 2280

2.5" 7mm

2.5" 7mm

2.5" 9.5mm

2.5" 9.5mm

M.2 2242

Safe Removal (Mandatory) To prevent data corruption, always use the "Safely Remove Hardware" option in your PC's operating system. The hardware button ejection on the IODD may not be sufficient depending on your OS configuration.

🚀 Getting Started

First Time Using IODD?

If you haven't assembled your device yet, start here:

If your hardware is ready, follow these core functions:

1. Virtual Drive Feature

Learn how to mount ISO, VHD, and RMD files.

2. Encryption Function

Secure your data with AES-256 hardware encryption.

3. Simultaneous Use (Encryption + Virtual Drive)

For maximum security and utility, follow this specific order:

  1. Configure Encryption: Set up your password first.

  2. Setup Virtual Drive: Once encrypted, partition and copy your files.

Encryption Compatibility Notice

Due to an upgrade in the encryption algorithm, disks encrypted with 2541 / SecureDock are NOT compatible with the ST400 / LK100 / MINI PRO.

To migrate your disk to a newer model:

  1. Back up all data to a safe location.

  2. Initialize the disk on the new IODD device.

  3. Set a new password and restore your data.

Compatibility Map:

  • ST400 ↔ LK100 ↔ MINI PRO (Fully Compatible)

  • [NOT COMPATIBLE]

  • 2541 ↔ Securedock (Legacy Compatibility Only)

🛠️ Need Help?

If you encounter issues, please refer to these troubleshooting resources:

Terminal Verification

You can check if your IODD is correctly recognized by the OS:

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