1 Hardware Overview

1.3 USB 3.5-inch Floppy Disk Drive

1.3USB 3.5-inch Floppy Disk Drive

The 3.5-inch USB FDD is a thin, high-performance reliable drive that supports 720KB and 1.44MB.

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

1.44MB mode

 

 

 

 

 

 

Data transfer

 

FDD part

 

250K bits/second

500K bits/second

rate

 

 

 

 

 

 

USB

 

Full speed mode (12M bits/second)

 

 

 

 

 

 

 

 

Disk rotation speed

 

300rpm

360rpm

 

 

 

 

 

 

Track density

 

 

 

5.3 track/mm (135TPI)

 

 

 

 

 

 

1-12

Satellite A40 Maintenance Manual (960-458)

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Toshiba A40 Hardware Overview USB 3.5-inch Floppy Disk Drive, Inch FDD specifications, Items 720KB mode 44MB mode, Usb