20 Chapter 1
Memory Combinations
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various
capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be
reversed.
Hard Disk Drive Interface
Slot 1 Slot 2 Total Memory
0MB 512MB 512MB
0MB 1024MB 1024MB
0MB 2048MB 2048MB
512MB 512MB 1024MB
512MB 1024MB 1536MB
512MB 2048MB 2560MB
1024MB 0MB 1024MB
1024MB 512MB 1536MB
1024MB 1024MB 2048MB
1024MB 2048MB 3072MB
2048MB 0MB 2048MB
2048MB 512MB 2560MB
2048MB 1024MB 3072MB
2048MB 2048MB 4096MB
Item Specification
Vendor & Model
Name
Segate
ST9250827AS
ST9200827AS
ST9160827AS
ST9120817AS
Segate
ST9320320AS
ST9250320AS
ST9200321AS
ST9160310AS
ST9120310AS
Toshiba
MK3252GSX
MK2552GSX
MK1652GSX
MK1252GSX
WD
WD2500BEVS
WD2500BEAS
WD2000BEVS
WD2000BEAS
WD1600BEVS
WD1600BEAS
WD1200BEVS
WD1200BEAS
WD
WD3200BEVT
WD2500BEVT
WD1600BEVT
WD1200BEVT
Capacity (MB) 250, 200,
160, 120
320, 250,
200, 160, 120
320, 250,
160, 120
250, 200, 160,
120
320, 250, 160,
120
Bytes per sector 512 512 512 512 512
Data heads 4, 4, 3, 2 4, 4 or 3, 3, 2,
2
4, 4, 2, 2 4, 4, 4, 2 4, 3, 2, 2
Drive Format
Disks 2, 2, 2, 1 2 or 1, 2, 2, 1,
1
2, 2, 1, 1 2, 2, 2, 1 2, 2, 1, 1
Spindle speed
(RPM)
5400 5400 5400 5400 5400
Performance Specifications
Buffer size 8 MB 8 MB 8 MB 2 MB
(WDxxxxBEAS)
8 MB
(WDxxxxBEVS)
8 MB
Interface SATA SATA SATA SATA SATA