Acer ASPIRE 4820T Service Manual page 34

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