Variant Details





Main Image: Top / Obverse
043c.jpg
Additional Image: Bottom / Reverse
044c.jpg
Product Name Lark Disk CDC Model (91208) Variant ID V0000394
Name of Holotype Lark Disk CDC Model (91208) Holotype ID H000105
Product Code/Number
Manufacturer CDC
Genre(s) Data
Carrier Type disc cartridge
Process Type magnetic
Medium Type hard disk
Standards
Market Professional
Height 8” / 201 mm.
Width 8” / 201 mm.
Diameter
Depth 24 mm
Running Length
Marketed Capacity 8.35Mb Formated
Materials Plastic disc enclosure
Distinguishing Features Deep Blue! and no label text or logos
Status
Collection of: National Library of Australia
Created by National Library of Australia
Assessment Summary Existing means of accessing media are currently unknown. (extensive effort)
Remarks
Production Started c.1984
Production Stopped c.1984
Application Binder
Binder Stability
Dye/Emulsion/Oxide
Base material
Back Treated

Back Treated: (μm) or (μ")

Base Thickness: (µm) or (µ")

Dye/Emulsion/Oxide Thickness: (μm) or (μ")

Total Thickness: (µm) or (µ")

Coercity: (Oe) or (kA/m)

Retentivity: (Gauss) or (mT)

Remanence: (nWb/m) or (SatFlux)
PDF Web Link
Image 3 Macro
NoPhoto.jpg
Image 4 Macro
Required Devices Lark Module Drive (LMU)
Required Interface Fast SCSI
Required Operating System UNIX, FreeBSD, Win32
Required Applications Enterprise Storage Software - TCM
Formated Capacity
Required Drivers
Formating Type
Required Accessories Fast SCSI cable
Required Form Factor 5.25" Half Height
Compression/Codec DLZ (2:1)
Requirement Specifications linear head 237 Tpi
Transfer Rate 9.677 MHz
Recording Format
Number Of Cylinders
Process/Technique
ISO
Colour Space
Resolution
Process
Block Error Rate
Push Pull Signal
Crosstalk
Reflectivity
Sensitivity
Lightfastness
Read Stability
Life: Manufacturer 100 yrs.
Life: Community 5 yrs.
Web Ref: Materials
Substrate Stability
Image Stability
Re-Formatting Issues
Web Ref: Re-Formatting
Web Ref: Conservation
Web Ref: Environment
Date Created 27/09/2007
Last Modified by Douglas Elford-NLA
Date Modified 29/06/2009
 
   

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