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1 Hardware Overview 1.5 CD-ROM Drive
1-14 PORTEGE A100 Maintenance Manual (960-460)
1.5 CD-ROM Drive
This drive corresponds to CD/CD-ROM (12cm and 8cm) disk and supports format of CD-
DA, CD-ROM, Photo CD and Enhanced CD. This drive reads CD-ROM at maximum 24-
speed.
Table 1-5 CD-ROM drive dimensions
Parameter
Standard value
Outline Width (mm) 128(Excluding a front bezel)
dimensions Height (mm) 12.7(Excluding a front bezel)
Depth (mm) 129.4(Excluding an eject button)
Table 1-6 CD-ROM drive specifications
Item Specifications
Speed (MAX)
CD ROM data (Read) 24x (5,136rpm)
Date transfer speed
CD-ROM mode 1 1,545~3,600KB/s
PIO MODE 4 (Mode 0 ~ Mode 4) 16.7MB/s max.
Multiword DMA transfer (mode 0~mode 2) 16.7MB/s max.
Ultra DMA 33.3MB/s max.