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Chapter 1 19
Read/write heads 2
Encoding method MFM/FM
Power Requirement
Input Voltage (V) +5V +/- 10%
Hard Disk Drive Interface
Item Specification
Vendor & Model Name IBM Travelstar 30GN
IC25N020ATDA04
IBM Travelstar 30GN
IC25N030ATDA04
Capacity (MB) 20000 30000
Bytes per sector 512 512
Data heads 3 4
Recording zone 16 16
Drive Format
Disks 2 2
Spindle speed (RPM) 4200 RPM 4200 RPM
Performance Specifications
Buffer size 2048KB 2048KB
Interface ATA-5 ATA-5
Max. media transfer rate
(disk-buffer, Mbytes/s)
216 235
Data transfer rate
(host~buffer, Mbytes/s)
100 MB/Sec.
Ultra DMA mode-5
100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage tolerance 5V(DC) +/- 5% 5V(DC) +/- 5%
DVD-ROM Interface
Item Specification
Vendor & model name MKE SR-8176
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/sec
Sustained:
Max 10.8Mbytes/sec
Data Buffer Capacity 512 KBytes
Interface IDE/ATAPI
Applicable disc format DVD: DVD-5, DVD-9, DVD-10, DVD-R (3.95G)
CD: CD-Audio, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1
and form 2), CD-I (mode 2, form 1 and form 2), CD-I Ready, CD-I Bridge, CD-
WO, CD-RW, Photo CD, Video CD, Enhanced Music CD, CD-TEXT
Loading mechanism Soft eject (with emergency eject hole)
Power Requirement
Input Voltage 5V(DC) +/- 5%
Floppy Disk Drive Interface
Item Specification