Toshiba Satellite 110 Series Maintenance Manual page 8

1.3 3.5-Inch Floppy Disk Drive
The 3.5-inch Floppy Disk Drive (FDD) is a thin, high-performance reliable drive that sup-
ports 720-KB (formatted) 2DD and 1.44-MB (formatted) 2HD 3.5-inch floppy disks.
The FDD is shown in Figure 1-4.
Table 1-1 lists the FDD specifications.
Item
Storage capacity (KB)
Unformatted
Formatted
Number of heads
Number of cylinders
Access time (ms)
Track to track
Average
Head settling time
Recording track density (tpi)
Data transfer rate (Kbps)
Rotation speed (rpm)
Recording method
*1: 18 sectors/track (512 bytes/sector)
*2: 9 sectors/track (512 bytes/sector)
1-8
Figure 1-4 3.5-inch FDD
Table 1-1 3.5-inch FDD specifications
2-MB mode
Modified Frequency Modulation (MFM)
1-MB mode
2,000 *1 1,000 *2
1,440 720
2
80 80
3
181 181
15 15
135 135
500 250
300 300
2
3
110 Series