Variant Details





Main Image: Top / Obverse
P1010168c.jpg
Additional Image: Bottom / Reverse
P1010169c.jpg
Product Name 5 ¼” Floppy Disk RX50K
double sided/single density (2D/SD)
double sided/double density (2D/DD)
Variant ID V0000183
Name of Holotype 5 ¼” Floppy Disk Holotype ID H000007
Product Code/Number
Manufacturer Digital
Genre(s) Data
Carrier Type disk sleeved
Process Type magnetic
Medium Type floppy disk
Standards IBTN/EBU: FD5
Market Professional
Height 133 mm
Width 133 mm
Diameter
Depth 1 mm
Running Length
Marketed Capacity 400 Kb
Materials
Distinguishing Features
Status
Collection of: National Library of Australia
Created by National Library of Australia
Assessment Summary Digital Preservation assistance required for creation of Normalised format(s) and transfer from existing media to the managed digital storage system. (moderate effort)
Remarks
Production Started 1970
Production Stopped 1980s
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: 300 (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 for use in Digital Micro PDP-11 & Digital PDP-11/03-L til 1990 and dual 400K single-sided quad-density 5.25 inch RX50-AA floppy disk drive unit #DP00598
Required Interface
Required Operating System
Required Applications
Formated Capacity 90K-1.2Mb
SS/SD 90K (tpi48, cylinders 40),
SS/DD 180K (tpi48 cylinders 40),
2D/SD 180K (tpi48, cylinders 40),
2D/DD 360K (tpi48, cylinders 40),
SS/DD 360K (tpi96, cylinders 80),
2D/DD 720K (tpi96, cylinders 80),
2S/HD 1200K (tpi96, cylinders 80)
Required Drivers
Formating Type
Required Accessories
Required Form Factor
Compression/Codec
Requirement Specifications
Transfer Rate
Recording Format
Number Of Cylinders 40
Process/Technique
ISO
Colour Space
Resolution
Process
Block Error Rate
Push Pull Signal
Crosstalk
Reflectivity
Sensitivity
Lightfastness
Read Stability
Life: Manufacturer
Life: Community
Web Ref: Materials
Substrate Stability
Image Stability
Re-Formatting Issues
Web Ref: Re-Formatting
Web Ref: Conservation
Web Ref: Environment
Date Created 05/02/2009
Last Modified by Douglas Elford-NLA
Date Modified 29/06/2009
 
   

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