Inch Hard Disk Drive - Toshiba T4900CT Manual

1.4

2.5-inch Hard Disk Drive

The Hard Disk Drive (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.
T4900CT supports 810 MB HDD. The T4900CT HDD is shown in figure 1-5. Specifica-
tions for the HDD are described in table 1-2.
Physical specifications
Formatted capacity (MB)
Disks
Heads
Cylinders
Bytes per sector (bps)
Cording
Performance specifications
Access time (average)
(track to track)
Maximum stroke
Rotation speed (rpm)
Data transfer rate (Mbps)
Power requirement
DC voltages (V)
Power
Seek (W)
Read (W)
Write (W)
Standby mode
(Spin only) (W)
Sleep mode
(Motor off) (W)
Spin-up mode (mA)
1-10
Figure 1-5 2.5-Inch HDD
Table 1-2 2.5-Inch HDD specifications
DVAA-2810
24.9 to 36.0
810MB
810.0
3
6
1,571
512
1-7RLL
14.5
4
23.5
3,800
+5 only
(typical)
2.8
2.8
2.8
0.4
0.4
940
T4900CT