User Guide

1.4 2.5-inch Hard Disk Drive 1 Hardware Overview
Table 1-3 2.5-inch HDD Specifications (1/5)
Specifications
Item
TOSHIBA
HDD2187B HDD2190B HDD2193 HDD2189B HDD2194 HDD2188B HDD2191
Storage size (formatted) 20GB 40GB 60GB 80GB
Rotation speed (RPM) 4,200 5,400 4,200 5,400 4,200 5,400
Data transfer rate (MB/s) 164.6-
257.1
175.0-
341.7
154.3-
298.0
175.0-
341.7
258.0-
394.0
175.0-
341.7
233.0-
446.0
Interface transfer rate
(MB/s)
100
Storage density (Kbpi) 543 735 728 735 728
Track density (Ktpi) 72 88.1 78.9 88.8 88.1 88.8
Average random seek time
(read) (ms)
12
Average random seek time
(write) (ms)
12
Motor startup time (ms) 4
Table 1-3 2.5-inch HDD Specifications (2/5)
Specifications
Item
FUJITSU
G8BC0001C410 G8BC0001C610
Storage size (formatted) 40GB 60GB
Rotation speed (RPM) 4,200
Data transfer rate (MB/s) 443.2 (max)
Interface transfer rate (MB/s) 100
Storage density (Kbpi) 752 651
Track density (Ktpi) 92 79.8
Average random seek time
(read) (ms)
12
Average random seek time
(write) (ms)
14
Motor startup time (ms) 4.0
Satellite A50/TECRA A2 Maintenance Manual (960-478) 1-13