1 Hardware Overview 1.3 3.5-inch Floppy Disk Drive
1.3 3.5-inch Floppy Disk Drive
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 1-1. The specifications for the FDD are listed in Table 1-1.
Figure 1-1 3.5-inch FDD
Item 2MB mode 1MB mode
Storage capacity (KB)
Unformatted
Formatted
2,000
1,440
1,000
720
Number of heads 2 2
Number of cylinders 80 80
Recording method Modified Frequency Modulation (MFM)
Table 1-1 3.5-inch FDD specifications
1-8 Satellite A30 Series Maintenance Manual