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22 Chapter 1
Floppy Disk Drive Interface
Item Specification
Vendor & model name Mitsumi D353G
Floppy Disk Specifications
Media recognition 2DD (720KB) 2HD (1.44MB)
Sectors/track 9 18
Tracks 80 80
Data transfer rate
(Kbit/s)
1 MB 2 MB
Rotational speed (RPM) 300 300
Read/write heads 2 2
Encoding method MFM/FM
Power Requirement
Input Voltage (V) +5V +/- 10%
Hard Disk Drive Interface
Item Specification
Vendor & Model Name Toshiba MK2018GAP
20GB
IBM Travelstar 20GB
IC25N020ATCS04
IBM Travelstar 30 GB
IC25N030ATCS04
Capacity (MB) 20000 20000 30000
Bytes per sector 512 512 512
Data heads 3 4
Recording zone 16 16 16
Drive Format
Disks 2 2 2
Spindle speed (RPM) 4200RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size 2048KB 2048KB 2048KB
Interface ATA-5 ATA-5 ATA-5
Max. media transfer rate (disk-
buffer, Mbytes/s)
290 216 235
Data transfer rate (host~buffer,
Mbytes/s)
100 MB/Sec. Ultra DMA
mode-5
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% 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