Inch Hard Disk Drive; Figure 1-4 2.5-Inch Hdd; Table 1-1 2.5-Inch Hdd Specifications - Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

1 Hardware Overview
1.3

2.5-inch Hard Disk Drive

The removable HDD is a random-access, non-volatile storage device. It has a non-removable
2.5-inch magnetic disk and mini-Winchester type magnetic heads. The computer supports a
30GB, 40GB, 60GB or 80GB HDD.
The HDD is shown in figure 1-4. The specifications are listed in table 1-1.
Parameter
Storage size (formatted)
Speed (RPM)
Data transfer speed (Mbits/s)
Interface transfer rate (MB/s)
Storage density (Kbpi)
Track density (Ktpi)
Average random seek time
(read) (ms)
Average random seek time
(write) (ms)
Motor start up time (ms)
1-14

Figure 1-4 2.5-inch HDD

Table 1-1 2.5-inch HDD specifications (1/3)

TOSHIBA TOSHIBA
HDD2181B HDD2182B
30
4.200
154.3 – 298.0
618
78.9
1.3 2.5-inch Hard Disk Drive
Specifications
TOSHIBA TOSHIBA
HDD2171B HDD2183B
40
5.400 4.200
200.8 – 154.3 –
333.2 298.0
100
607 618
57.1
12
-
4
Satellite A20 Maintenance Manual (960-444)
TOSHIBA
HDD2184B
60
5.400
202.9 –
373.3
632
78.9