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 SAT A 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