1.3 USB 3.5-inch Floppy Disk Drive 1 Hardware Overview
1.3 USB Floppy Disk Drive The 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 USB FDD
Table 1-1 USB FDD specifications
Items 720KB mode 1.44MB mode
FDD part
250K bits/second
500K bits/second Data transfer
rate USB Full speed mode (12M bits/second)
Disk rotation speed 300rpm 360rpm
Track density 5.3 track/mm (135TPI)
PORTEGE M300 Maintenance Manual (960-504) 1-11