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Appendix
B.2 Internal CD-ROM Drive Unit Specifications
■ Package
• Internal CD-ROM Drive Unit (1)
■ Specifications
B.3 Internal Hard Disk Unit Specifications
■ Package
• Internal hard disk unit (1)
• 4 setscrews
■ Specifications
*1: Switched automatically according to the SCSI environment.
*2: The value indicates memory capacity of the formatted hard disk (1GB = 1000
3
bytes).
table: CD-ROM Drive Unit Specifications
Item Functions and Specifications
Model PG-CD320
Interface IDE (ATAPI)
Supported Media CD-ROM disk (12 cm)
Applicable Standards CD-ROM
Reading mechanism Optical pickup using a laser diode
Data transfer speed Max. 3,600KB/sec (24× on the outside to 10× on the inside)
Access Time 115msec (average)
Disk loading mechanism Manual tray loading
Disk clamp mechanism Ball clamp
Dimension (drive only) 128.4 × 129.9 × 13.2mm (W × D × H)
Weight (excluding a medium) About 170g
table: Internal Hard Disk Unit Specifications
Item Functions and Specifications
Model PG-HD7G1T PG-HD4G1T
Interface Ultra 320 SCSI
*1
Storage media 3.5-inch hard disk
Memory capacity
*2
73.4GB 146.8GB
Maximum data transfer rate 320MB/s (Ultra320)
Average latency speed 2.99ms
Rpm 10,000rpm
Dimensions 101.6 × 146.0 × 25.4 (mm)
Weight 0.75 kg