Inch Floppy Disk Drive (Usb External); Figure 1-4 3.5-Inch Fdd (Usb External); Table 1-1 3.5-Inch Fdd Specifications - Toshiba PORTÉGÉ R700 Series Maintenance Manual

1 Hardware Overview
1.3

3.5-inch Floppy Disk Drive (USB External)

The 3.5-inch FDD is a thin, high-performance reliable drive that supports 720KB (formatted)
2DD 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.
Items
Data transfer rate
Disk rotation speed
Track density
1-20

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

Table 1-1 3.5-inch FDD specifications

720KB mode
FDD part 250K bits/second
USB
[CONFIDENTIAL] PORTÉGÉ R700 Series Maintenance Manual (960-833)
TEAC FD-05PUB-337
(G8AC0000B320)
500K bits/second
Full speed mode (12M bits/second)
300rpm
5.3 track/mm (135TPI)
1.44MB mode