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Chapter 1 17
Hard Disk Drive Interface
Super Multi Drive Module
Item Specifications
Vendor &
Model
Name
Hitachi
5K250-250
5K250-160
Segate
ST9250827AS
ST9160827AS
ST9120817AS
Toshiba
MK1646GSX
MK1246GSX
WD
WD2500BEVS
WD1200BEVS
WD
WD3200BEVT
WD1600BEVT
Capacity
(MB)
250, 160 250, 160, 120 160, 120 250, 120 320, 160
Bytes per
sector
512 512 512 512 512
Data heads
4, 3 4, 3, 2 3, 2 4, 2 4, 2
Drive Format
Disks
2, 2 2, 2, 1 2, 1 2, 1 2, 1
Spindle
speed
(RPM)
5400 5400 5400 5400 5400
Performance Specifications
Buffer size
8 MB 8 MB 8 MB 8 MB 8 MB
Interface
SATA SATA SATA SATA SATA
Internal
transfer
rate (Mbits/
sec, max)
643 ~ 665 778 370 ~ 730
typical
850 Mbits/s
maximum
850 Mbits/s
maximum
I/O data
transfer
rate
(Mbytes/
sec max)
150 / 300 300 300 150 maximum 300 maximum
DC Power Requirements
Voltage
5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5%
Item Specification
Vendor & model name HLDS/GSA-T50N, Philips DS-8A2S, Sony/AD-7560S, Toshiba Digi/TS-L633A
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (MB/sec) Sustained:
Max 3.5 Mbytes/sec
Sustained:
Max 10 Mbytes/sec
Buffer Memory 2MB
Interface SATA