Mitsumi D509V3
Logs
cpuType
Double density (5.25 inch DD) High density (5.25 inch HD)
cpuInterface
34-pin PCB edge connector (5.25 FDD)
cpuForm factor
5.25-inch bay, half-height (146.1mm x 41.3mm)
dateRelease date
Empty
pwrPower connector
1x 
doc 1 document available
Release date
File
Logs
Release date
File
Logs
notes Notes
Property Value
Density HD (High Density), DD/2D (Double Density)
Sides DS/2S (Double Sided), SS/1S (Single Sided)
Rotation speed 300 / 360 RPM
Maximum seekable tracks 84
Interface Shugart / PC-AT compatible
Data connector 34-position card edge
Power connector 4-pin Molex
Head movement Leadscrew
Head loading Mechanical
Disk loading Lever
Known colors White, Black
Control board MEC 3V0
Motor board Mitsumi 69-3147
Last updated 2026-08-08T07:15:28Z
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