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1 Hardware Overview 1.2 Hard Disk Drive
1-10 PORTEGE A200 Maintenance Manual (960-499)
1.2 Hard Disk Drive
The 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 is equipped with a
40 or 60GB HDD.
Figure 1-4 shows a view of the 2.5-inch HDD and Tables 1-1 lists the specifications.
Figure 1-4 2.5-inch HDD
Table 1-1 2.5-inch HDD specifications
specifications
Parameter
TOSHIBA
HDD2190B
TOSHIBA
HDD2189B
Outline Width (mm) 69.85 69.85
dimensions Height (mm) 9.5 9.5
Depth (mm) 100.0 100.0
Weight (g) 95 95
Storage size (formatted) 40 60
Speed (RPM) 4200 4,200
Data transfer speed (Mb/s) 175.0-341.7 175.0-341.7
Interface transfer rate (MB/s) 100 max.
(Ultra DMA mode)
Track density (Ktpi) 88.1 88.1
Average seek time (ms)
Read
Write
12
-
12
-
Start time (ms) 4 4