1 Hardware Overview

1.3 3.5-inch Floppy Disk Drive (USB External)

1.33.5-inch Floppy Disk Drive (USB External)

The 3.5-inch FDD is a thin, high-performance reliable drive that supports 720KB (formatted) 2DD, 1.2MB (formatted) and 1.44MB (formatted) 2HD disks.

The FDD is shown in figure 1-4. The specifications for the FDD are listed in Table 1-1.

Figure 1-4 3.5-inch FDD (USB External)

 

 

Table 1-1

3.5-inch FDD specifications

 

 

 

 

 

 

 

 

 

Items

 

720KB mode

1.2MB mode

1.44MB mode

 

 

 

 

 

 

 

Data transfer

 

FDD part

 

250K bits/second

500K bits/second

rate

 

 

 

 

 

 

 

USB

 

Full speed mode (12M bits/second)

 

 

 

 

 

 

 

 

 

Disk rotation speed

 

300rpm

360rpm

300rpm

 

 

 

 

 

 

 

Track density

 

 

 

5.3 track/mm (135TPI)

 

 

 

 

 

 

 

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TECRA M1 Maintenance Manual (960-436)

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Image 32
Toshiba tecra m1 manual Hardware Overview 3.5-inch Floppy Disk Drive USB External, Items 720KB mode 2MB mode 44MB mode