Floppy Disks; Table 1-2: Floppy Disk Specifications - Datatech Enterprises Apex 386/25 User Manual

Floppy Disks

With a floppy disk drive you can format and use double-sided (or
single-sided) double-density (or high-density) floppy disks.
One double-sided double-density 5.25" floppy disk can store up to
360KB of data. One double-sided high-density 5.25" floppy disk can
store up to 1.2MB of data.
One high-density 3.5" floppy disk can store up to
to 72OKB of data.
1.44MB of data.
Quality
Double Density
(DD, DS, RH)
High Density
(DH)

Table 1-2: Floppy Disk Specifications

Note:
Only high-density floppy disks can be formatted to high
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capacities of either 1.2M for 5.25" or 1.44M for 3.5" floppy
disks. You may lose data if you use a low-density floppy
disk formatted for high density.
You can't use a high-density disk in a low-density disk drive.
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One standard 3.5' floppy disk can store up
Tracks Per Inch
48 TPI 360 KB 720 KB
96 TPI 1.2 MB 1.44 MB
Chapter I: System Overview
Capacity
5.25"
3.5"
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