Chapter 1 27
Hard Disk Drive Interface (cont)
Item Specifications
Vendor &
Model Name
Toshiba MK5055/2555GSX Toshiba MK4055GSX Toshiba MK3255/1655GSX
Capacity 500/250GB 400GB 320/160GB
Bytes per
sector 512
Data heads 4/2 4 4/2
Drive Format
Disks 2/1 2 2/1
Spindle
speed (RPM) 5400
Performance Specifications
Buffer size 8MB
Interface SATA
Internal
transfer rate
(Mbits/sec,
max)
363 ~ 952 typical
I/O data
transfer rate
(Mbytes/sec
max)
3Gbits/s
DC Power Requirements
Voltage +5.0V ± 5%.