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Chapter 1 23
Hard Disc Drive Interface
Item Specification
Vendor &
Model
Name
Toshiba MK2023GAS
HGST
IC25N020ATMR04-0
HGST
IC25N030ATMR04-0
Toshiba MK3021GAS
FJV MHT2030AT
HGST
IC25N040ATMR04-0
Toshiba MK4021GAS
Seagate ST94011A
HGST
HTS548040M9AT00
HGST
IC25N060ATMR04-0
Toshiba MK6021GAS
FJV MHT2060AT
HGST
HTS548060M9AT00
Toshiba MK6022GAX
Capacity
(MB)
20000 30000 40000 60000
Bytes per
sector
512 512 512 512
Data heads 2234
Drive
Format
Disks1122
Spindle
speed
(RPM)
4200 RPM 4200 RPM 4200 RPM
5400 RPM for
Seagate ST94011A
HGST
HTS548040M9AT00
4200 RPM
5400 RPM for
HTS548060M9AT00
Toshiba MK6022GAX
Performance Specifications
Buffer size 2048KB 2048KB 2048KB 2048KB
Interface ATA-5 ATA-5 ATA-5 ATA-5
Max. media
transfer
rate (disk-
buffer,
Mbytes/s)
164.6~ 257.1 154.3~ 298.0 154.3~ 298.0 154.3~ 298.0
Data
transfer
rate
(host~buffe
r, Mbytes/s)
100 MB/Sec.
Ultra DMA mode-5
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% 5V(DC) +/- 5%
CD-ROM Interface
Item Specification
Vendor & model name TEAC 24X CD-ROM CD-224E-C85
QSI 24X CD-ROM SCR-242
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) (Mode1)
4X-5.7X PCAV 600-855KByte/s
10.3X-24X CAV 1552-3600KByte/s
(Mode2)
4X-5.7X PACV 684.4-975.3KBytes/s
10.3X-24X CAV 1769-4104KByte/s
3.3X-8X CAV 4463-10820KByte/s
Data Buffer Capacity 192 KBytes
Interface IDE/ATAPI