Acer Aspire 5530 Series - Page 30

20 Chapter 1
Wireless Module 802.11b/g
Hard Disk Drive Interface
Item Specification
Chipset BCM4312
Data throughput 54Mbps
Protocol 802.11b/g
Interface pci-E
Item Specification
Vendor &
Model
Name
Segate
ST9250827AS
Segate
ST9160310AS
Tosh ib a
MK1246GSX
Tosh ib a
MK1652GSX
Hitachi
5K320-320
5K320-250
Capacity
(MB)
250 160 120 160 320, 250
Bytes per
sector
512 512 512 512 512
Data heads
4 2 2 2 4, 4 or 3
Drive Format
Disks
21112, 2
Spindle
speed
(RPM)
5400 5400 5400 5400 5400
Performance Specifications
Buffer size
8 MB 8 MB 8 MB 8 MB 8 MB
Interface
SATA SATA SATA SATA SATA
Internal
transfer
rate (Mbits/
sec, max)
778 352 370 ~ 730
typical
400 ~ 794
typical
674 ~ 775
I/O data
transfer
rate
(Mbytes/
sec max)
300 150 300 300 1.5 / 3.0
DC Power Requirements
Voltage
tolerance
5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5%