User Guide
18 Chapter 1
System Memory
System Storage
Hard Disk Drive Interface
Item Specification
Memory controller Built in
Memory size N/A
DIMM socket number 2
Supports memory size per socket 2 GB
Supports maximum memory size 4 GB
Supports DIMM type DDR II 800/677Mhz SDRAM memory interface design
Supports DIMM Speed 800/677Mhz SDRAM
Item Specification
HDD • 9.5mm height, 2.5" HDD
• Easily removable with no more than four screws
• SATA bus
• 160-500GB
• 5400 rpm
• SATA connector BTO
Item Hard Disk Specification
Vendor &
Model Name
Seagate
ST9160310AS
Seagate
ST9250315AS
Seagate
ST9320320AS
Seagate
ST9500325AS
Hitachi
HTS54
3216L9A300
Hitachi
HTS545025B9
A300
Capacity (GB) 160 250 320 500 160 250
Bytes per
sector
512 512 512 512 512 512
Data heads 2 2 4 4 2 2
Drive Format
Disks 1 1 2 2 1 1
Spindle speed
(RPM)
5400 5400 5400 5400 5400 5400
Performance Specifications
Buffer size 8 MB 8 MB 8MB 8 MB 8 MB 8MB
Interface SATA SATA SATA SATA SATA SATA
Fast data
transfer rate
(Mbits/sec,
max)
830
1175 830 1175 845 875
Media data
transfer rate
(Mbytes/sec
max)
300 300 300 300 300 300
DC Power Requirements
Voltage
tolerance
5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5%
Item Hard Disk Specification
Vendor &
Model Name
Hitachi
HTS545032B9
A300
Hitachi
HTS545050B9
A300
To sh ib a
MK1655GSX
To sh ib a
MK2555GSX
Tos hi ba
MK3255GSX
To shiba
MK5055GSX
Capacity (GB) 320 500 160 250 320 500
Bytes per
sector
512 512 512 512 512 512