South Bridge

Item

 

 

 

Specification

 

 

 

 

 

Type

 

AMD SB700 (South Bridge)

Package

 

FCBGA 528-pin

 

 

 

 

 

 

 

Features

 

A-Link Express II interface to AMD Northbridge: High data

 

 

transfer Bandwidth up to 2.5GT/s/Lane.

 

 

PCI bus support Rev 2.3

 

 

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: Supports six SATA ports with transfer rates

 

 

up to 3Gb/s

 

 

 

 

Supports both SATA 1.5 and SATA 3.0 compliance devices;

 

 

Supports e-SATA.

 

 

AMD RAID support and AMD AHCI support.

 

 

Interrupt controller: Support IOAPIC/X APIC mode for 24

 

 

channels of interrupt.

 

 

High definition Audio supports up to 4 codec’s and up to 192

 

 

KHZ sample rate and 32-bit Audio.

 

 

Flash controller supports ReadyBoost and ReadyDrive

 

 

features of windows Vista.

 

 

 

 

 

Power

 

1.2V,3.3V,5V, 1.8V

 

 

 

 

 

 

CPU Fan True Value Table

 

 

 

 

 

 

 

 

CPU Temp (°C)

Fan Speed (rpm)

 

dB (A)

 

 

 

 

 

 

 

<48

0

 

 

0

 

 

 

 

 

 

 

52

3100

 

 

31

 

 

 

 

 

 

 

60

3500

 

 

34

 

 

 

 

 

 

 

70

4100

 

 

37

 

 

 

 

 

 

 

90

4500

 

 

40

 

 

 

 

 

 

 

Throttling 50%: On = 97°C; Off = 88°C

OS Shut down: 105°C

H/W Shut down: 110°C

Fan default 3.5V

System Clock

Item

Specification

 

 

System clock chip

SLG8SP628VTR or pin compatible device

Package

64 pin QFN

 

 

Clock Synthesizer

200Mhz for CPU, RS780M

 

100MHz clock buffer for RS780M, SB700 and PCI-E devices

 

96MHz for RS780M

 

48Mhz for USB clock inside SB700

 

33Mhz PCI clock for PC devices, SIO, LPC

 

 

Power

3.3V,1.2V

 

 

Features

Support spread spectrum function for reducing EMI

 

 

Chapter 1

19

Page 29
Image 29
Acer 7230 South Bridge Specification, CPU Fan True Value Table CPU Temp C Fan Speed rpm DB a, System Clock Specification