eMachines HM50-MV Service Manual page 30

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
Internal transfer
rate (Mbits/sec,
max)
I/O data transfer
rate
(Mbytes/sec
max)
DC Power Requirements
Voltage
tolerance
20
Specification
Seagate Seagate
ST9500325AS ST9320320AS
ST9250315AS ST9160310AS
500, 250 320, 160
512 512
4, 2 4, 2
2, 1 2 or 1, 1
5400 5400
8 MB 8 MB
SATA SATA
352
150
5V ±5% 5V ±5%
Toshiba WD
MK3255GSX WD5000BEVT
MK2555GSX WD3200BEVT
MK1655GSX WD2500BEVT
WD1600BEVT
320, 250, 160 500, 320, 250,
160
512 512
4, 2, 2 4, 4, 3, 2
2, 1, 1 2, 2, 2, 1
5400 5400
8 MB 8 MB
SATA SATA
395~952 850 Mbits/s
(typical) maximum
300 300 maximum
5V ±5% 5V ±5%
Chapter 1