Acer Aspire 5230 Service Manual page 31

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