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Chapter 1 21
Wireless Module 802.11b/g
Hard Disk Drive Interface
Item Specification
Chipset Intel Shirley Peak and Echo Peak (for Centrino platform)
Atheros WLAN XB63 and Broadcom WLAN BCM4312 (for
Non-Centrino)
Data throughput 11~54 Mbps, up to 270 Mbps for Draft-N
Protocol 802.11b+g, Draft-N
Interface PCI bus (mini PCI socket for wireless module)
Item Specifications
Vendor & Model Name Hitachi
5K250-250
5K250-160
5K250-120
Hitachi
5K350-250
5K350-160
5K350-120
Segate
ST9250827AS
ST9160827AS
ST9120817AS
Segate
ST9320320AS
ST9160310AS
Capacity (MB) 250, 160, 120 320, 160, 120 250, 160, 120 320, 160
Bytes per sector 512 512 512 512
Data heads 4, 3, 2 4, 2, 2 4, 3, 2 4, 2
Drive Format
Disks 2, 2, 1 2, 1, 1 2, 2, 1 2 or 1, 1
Spindle speed (RPM) 5400 5400 5400 5400
Performance Specifications
Buffer size 8 MB 8 MB 8 MB 8 MB
Interface SATA SATA SATA SATA
Internal transfer rate
(Mbits/sec, max)
643 ~ 665 674 ~ 729 778 352
I/O data transfer rate
(Mbytes/sec max)
150 / 300 300 300 150
DC Power Requirements
Voltage 5V ±5% 5V ±5% 5V ±5% 5V ±5%
Item Specifications
Vendor & Model Name Toshiba
MK2546GSX
MK1646GSX
MK1246GSX
Toshiba
MK1252GSX
WD
WD2500BEVS
WD1200BEVS
WD
WD3200BEVT
WD1600BEVT
Capacity (MB) 250, 160, 120 120 250, 120 320, 160
Bytes per sector 512 512 512 512
Data heads 4, 3, 2 2 4, 2 4, 2
Drive Format
Disks 2, 2, 1 1 2, 1 2, 1
Spindle speed (RPM) 5400 5400 5400 5400
Performance Specifications
Buffer size 8 MB 8 MB 8 MB 8 MB
Interface SATA SATA SATA SATA