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Chapter 1 19
Southbridge
System Clock
Crystal and Oscillator
System Memory
Item Specification
Chipset AMD SB 700
Features
• A-Link Express II Interface to AMD North bridge, High data transfer
Bandwidth up to 2.5GT/s/Lane
• USB controllers, 5 OHCI and 2 EHCI host controllers to support 12 USB
2.0 ports and 2 dedicated USB 1.1 ports
• SATA controllers , Support six SATA II ports with transfer rate up to 3Gb/s,
Support both SATA 1.5 and SATA 3.0 compliance devives, Supports E-
SATA raid support and AHCI support
• Interrupt controller, Support IOAPIC/X APIC mode for 24 channel of
interrupt
• High definition Audio support up to 4 codec's and up to 192Khz sample
rate and 32 bit audio
Power 1.2V, 1.8V, 3.3V, 5V
Package FCBGA 528-pin
Item Specification
Chipset SLG8SP628VTR
Clock Synthesizer
• 200MHz for CPU
• 100MHz clock buffer for RS780MN, SB 700, PCIE device
• 96MHz for RS780MN
• 48MHz for USB clock inside SB700, Card reader
• 33MHz PCI clock for PC device, LPC
Features
• Support spread spectrum function, for reducing EMI
• Support SM bus interface
Power 3.3V, 1.2V
Package 64 pin QFN
Item Specification
Features
• 14.31818 MHz crystal for clock chip
• 32.768 KHz crystal for SB700 and WPCE775C
• 25Mhz crystal for LAN AR8182
• 25Mhz for SATA control inside SB700
• 12Mhz for finger printer control
Item Specification
Features
• DDR II 667/800MHz SDRAM memory interface design
• 2 DDR SODIMM slot
• Maximum memory up to 4GB-SODIMM