eMachines HM50-YK 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
Super-Multi Drive
Item
Vendor & model name
Performance
Specification
Transfer rate (MB/sec)
Buffer Memory
Interface
20
Specification
Seagate
ST9500325AS
ST9250315AS
500, 250
512
4, 2
2, 1
5400
8 MB
SATA
5V ±5%
HLDS GT20N
With CD Diskette With DVD Diskette
Sustained: Sustained:
3,600 KB/s (24x) max. 11.08 Mbytes/s (8x)
max.
Seagate Toshiba
ST9320320AS MK3255GSX
ST9160310AS MK2555GSX
MK1655GSX
320, 160 320, 250, 160
512 512
4, 2 4, 2, 2
2 or 1, 1 2, 1, 1
5400 5400
8 MB 8 MB
SATA SATA
352 395~952
(typical)
150 300
5V ±5% 5V ±5%
Specification
Sony AD7580S
With CD Diskette
Sustained:
1,571 (typical)
2 MB
SATA
WD
WD5000BEVT
WD3200BEVT
WD2500BEVT
WD1600BEVT
500, 320, 250,
160
512
4, 4, 3, 2
2, 2, 2, 1
5400
8 MB
SATA
850 Mbits/s
maximum
300 maximum
5V ±5%
With DVD Diskette
Sustained:
10,993 (typical)
Chapter 1