1 Hardware Overview 1.4 2.5-inch Hard Disk Drive
1.4 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 and 80GB HDD.
The HDD is shown in figure 1-5. Specifications are listed in Table 1-2.
Figure 1-5 2.5-inch HDD
Table 1-2 2.5-inch HDD specifications (1/4)
Specifications
Items TOSHIBA
HDD 2181B
ITACHI GST
G8BC0000Z310
HITACHI GST
G8BC00017310
Outline Width (mm) 69.85 69.85 69.85
dimensions Height (mm) 9.5 9.5 9.5
Depth (mm)
100 100.2 100
Weight (g)
99 max. 95 max. 91
Storage size (formatted) 30GB 30GB 30GB
Speed (RPM) 4,200 4,200 4,200
Data transfer speed (Mbits/s) 154.3 – 298.0 - 183.2-347.2
Interface transfer rate (MB/s) 100 max.(Ultra DMA mode)
Track density (Ktpi) 78.9 63 80
Average seek time (ms)
Read
Write
12
12 typ.
14 typ.
13 typ.
-
Motor startup time (ms) 4 typ 5 5 typ. (Power on)
1-16 TECRA M2 Maintenance Manual (960-468)