Acer Aspire 5230 - Page 31

Chapter 1 21
Hard Disk Drive Interface
Item
Vendor &
Model
Name
Segate
ST9250827AS
ST9200827AS
ST9160827AS
ST9120817AS
Segate
ST9320320AS
ST9250320AS
ST9200321AS
ST9160310AS
ST9120310AS
ST980310AS
Toshi ba
MK2546GSX
MK1646GSX
MK1246GSX
MK8046GSX
Tosh ib a
MK3252GSX
MK2552GSX
MK1652GSX
MK1252GSX
MK8052GSX
WD
WD2500BEVS
WD2500BEAS
WD2000BEVS
WD2000BEAS
WD1600BEVS
WD1600BEAS
WD1200BEVS
WD1200BEAS
WD1000BEVS
WD1000BEAS
WD800BEVS
WD800BEAS
WD600BEVS
WD600BEAS
WD
WD3200BEVT
WD2500BEVT
WD1600BEVT
WD1200BEVT
WD800BEVT
Capacity
(MB)
250, 200,
160, 120
320, 250,
200, 160,
120, 80
250, 160,
120, 80
320, 250,
160, 120, 80
250, 200, 160,
120, 100, 80,
60
320, 250, 160,
120, 80
Bytes per
sector
512 512 512 512 512 512
Data heads
4, 4, 3, 2 4, 4 or 3, 3, 2,
2, 1
4, 3, 2, 2 4, 4, 2, 2, 1 4, 4, 4, 2, 2, 2, 1 4, 3, 2, 2, 1
Drive Format
Disks
2, 2, 2, 1 2 or 1, 2, 2, 1,
1, 1
2, 2, 1, 1 2, 2, 1, 1, 1 2, 2, 2, 1, 1, 1, 1 2, 2, 1, 1, 1
Spindle
speed
(RPM)
5400 5400 5400 5400 5400 5400
Performance Specifications
Buffer size
8 MB 8 MB 8 MB 8 MB 2 MB
(WDxxxxBEAS)
8 MB
(WDxxxxBEVS)
8 MB
Interface
SATA SATA SATA SATA SATA SATA
Internal
transfer
rate (Mbits/
sec, max)
778 352 370 ~ 730
typical
400 ~ 794
typical
850 Mbits/s
maximum
850 Mbits/s
maximum
I/O data
transfer
rate
(Mbytes/
sec max)
300 150 300 300 150 maximum 3000
maximum
DC Power Requirements
Voltage
tolerance
5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5%