Acer Aspire 4745, Руководство по обслуживанию

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20 Chapter 1
Hard Disk Drive Interface
Super-Multi Drive Module
Item Specification
Vendor & Model
Name Seagate HGST Toshiba Western Digital
Capacity (MB) 160, 250, 320,
500 160, 250,
320, 500 160, 250,
320, 500 160, 250, 320,
500, 640
Bytes per sector 512
Data heads 2-4
Drive Format
Disks 1-2
Spindle speed
(RPM) 5400
Performance Specifications
Buffer size 8 MB
Interface SATA
DC Power Requirements
Voltage
tolerance 5V ±5% 5V ±5% 5V ±5% 5V ±5%
Item Specification
Vendor & model
name HLDS GT20N Sony AD7580S
Performance
Specification With CD Diskette With DVD Diskette With CD Diskette With DVD Diskette
Transfer rate (MB/
sec) Sustained:
3,600 KB/s (24x)
max.
Sustained:
11.08 Mbytes/s
(8x) max.
Sustained:
1,571 (typical)
Sustained:
10,993 (typical)
Buffer Memory 2 MB
Interface SATA