Toshiba PORTEGE R300, Maintenance Manual

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1 Hardware Overview
1.2 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 40GB, 60GB, 80GB, or 100GB.
The HDD is shown in figure 1-4. Specifications are listed in Table 1-1.
Figure 1-4 2.5-inch HDD
Table 1-1 2.5-inch HDD specifications (1/2)
Specifications
Items
TOSHIBA
HDD2D34VZK0
1
TOSHIBA
HDD2D35VZK0
1
TOSHIBA
HDD2D32VZK0
1
TOSHIBA
HDD2D30VZK0
1
Outline Width (mm)
69.85
dimensions Height (mm)
9.5
Depth (mm)
100.0
Weight (g) 102 max.
Storage size (formatted) 40GB 60GB 80GB 100GB
Speed (RPM) 5,400
Data transfer rate
To/From media
To/From host
429 max.
1.5 (150MB/s)
max
474.7 max.
1.5 (150MB/s)
max
429 max.
1.5 (150MB/s)
max
456 max.
1.5 (150MB/s)
max
Data buffer size (MB) 8.192 16.384
Average seek time (ms)
Read
12
Motor startup time (s) 4 typ. 3.5 typ. 4 typ.
PORTÉGÉ R300 Maintenance Manual (960-591) [CONFIDENTIAL] 1-13