Chapter 1 45
South Bridge
System Clock
System Memory
Hard Disk Drive
Item Specification
Chipset ATi SB460
Package 549-pin BGA package
Feature • PCI2.3 interface (6 PCI Request/Grant pairs)
• Bus master IDE controller (Ultra 100/66/33 support)
• Serial ATA controller
• USB1.1 & 2.0 host controllers
• Compliant with AC’97 2.3 interface
• Low pin count (LPC) interface
• RAID Striping (RAID 0) support
• IRQ controller
• Enhanced DMA controller, interrupt controller, times, RTC
• ACPI Power management
Power 1.8V core, 3.3V, 5V CMOS I/O
Item Specification
Chip ICS ICS951462 or pin compatible device
Package 64-pin TSSOP
Feature • Spread spectrum function support for reducing EMI
• SM bus interface support
Clock
synthesizer
• 133/166MHz for CPU
• 100MHz clock buffer for RS485M, SB460 and PCI-E device, SATA, Docking
station
• 96MHz RS485M
• 48MHz for USB clock inside SB460
• 33MHz PCI clock for PC device, SIO, LPC
• 14.31818MHz for SB460 and Audio
Power 3.3V
Item Specification
Feature • DDRII 533/667MHz SDRAM memory interface design
• 0MB DDR RAM on board
• Two SODIMMS slots
• Maximum memory up to 4GB (with two 2GB SODIMMs)
SEAGATE
Model
ST9160821AS ST9120821AS ST9100824AS
Formatted Gbytes (512 bytes/sector): 160 / 120 / 100
Physical read/write head: 4 / 4 / 4
Discs: 2 / 2 / 2
Spindle Speed (RPM): 5400 / 5400 / 5400
