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Chapter 1 21
NOTE: The hardware specification of the external CD-ROM drive is 24X. However the actual performance is
only 6X under USB 1.1.
Supports modem protocol V.92 MDC BLUETOOTH/MODEM COMBO MODULE
MDC
Modem connector type RJ11 RJ11
Modem connector location Rear side Rear side
Hard Disk Drive Interface
Item Specification
Vendor & Model Name IBM Cascade
IC25N020ATCS04
IBM Cascade
IC25N030ATCS04
IBM Cascade
IC25N040ATCS04
Capacity 20G 30G 40G
Bytes per sector 512 512 512
Data heads 2 3 4
Recording zone 16 16 16
Drive Format
Disks 122
Spindle speed (RPM) 4200 RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size 1874KB 1874KB 1874KB
Interface ATA-5 ATA-5 ATA-5
Data transfer rate (buffer to/from
media, Mbytes/s)
130 ~ 245 125 ~ 241 130 ~ 245
Interface transfer rate
(host~buffer, Mbytes/s)
100 MB/Sec.
Ultra DMA mode 66
100 MB/Sec.
Ultra DMA mode 66
100 MB/Sec.
Ultra DMA mode 66
DC Power Requirements
Voltage tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
CD-ROM (6X) Interface
Item Specification
Vendor & model Name AOpen SC-924U
Performance specification With CD Diskette
Transfer rate (KB/sec) Sustained:
Max 900KBytes/sec
Disc data capacity 12cm Disc: 540MBytes (Mode 1), 630MBytes (Mode 2)
8cm Disc: 180MBytes (Mode 1), 210MBytes (Mode 2)
Interface USB1.1
Applicable disc format CD-DA, CD-ROM (Mode 1 and Mode 2), CD-ROM/XA (Mode 2,
Form 1 and Form 2), CD-Extra, CD-I, Video CD, Photo CD (Single
and Multiple Sessions), I-Trax, CD-R, CD-RW
Operating system Windows 98SE, Windows NT, Windows ME, Windows 2000,
Windows XP
Power requirement
Input voltage 5V(DC) +/- 5%
Modem Interface
Item Specification