Magneto-Optical Discs

Hardware

M.O. drive

Model	Fujitsu DynaMO 1300U2 Pocket MDK3130UB
Media	3.5 inch M.O. disc 128 MB 3.5 inch M.O. disc 230 MB 3.5 inch M.O. disc 540 MB 3.5 inch M.O. disc 640 MB 3.5 inch M.O. disc 1.3 GB
Interface	USB
Connector	USB 1.1 or 2.0
Cable	USB mini B to USB type A
Workstation connection	Can be connected directly with write blocker (which has a USB type A female connection)
Power	n/a
Documentation

Write blocker

Model	Tableau Forensic USB 3.0 Bridge T8U
Media	Drives with USB (3.0 and older) connectors
Interface	USB
Connector	USB 3.0
Cable
Workstation connection	Can be connected directly with workstation (which has a USB type A female connection
Power	DC input: 5-pin Mini-DIN connector
Documentation	user guide

Workstation

A Linux computer, preferably running the Bitcurator Environment (We use a Dell XPS)

Software

Guymager in the Bitcurator Environment

Workflow

Step 1: Connect the write blocker to the workstation

1. Connect the write blocker to the workstation using the blue USB 3.0 cable
2. Connect the DC power supply to the write blocker
3. Plug the power cable into a power socket
4. Press the power button on the write blocker

Step 2: Connect the M.O. Drive to the write blocker

Connect the M.O Drive to the write blocker using the USB cable

Step 3: Prepare the M.O. disc

1. Take a M.O. disc
2. Slide the switch on the disc bringing it in read-only state. Look for a tiny sliding tab in a square hole in the disc’s lower left corner. Slide the tab with a pencil or your thubmnail so that the hole is uncovered.

Step 4: Create a disk image

1. Insert the M.O. disc in the M.O. Drive
2. Create a disk image using Guymager

Step 5: Eject the disc

1. Press the button on the M.O. Drive to eject the disc
2. If that doesn’t work:
   1. Go to the workstation and open a file explorer window
   2. Right click on the device in the left navigation sidebar
   3. Select eject
   4. Press again on the button of the M.O. drive
3. If that doesn’t work either:
   1. Power off the write blocker
   2. Power on the write blocker
   3. Immediately press the button on the M.O. drive to eject the disc.