Northbridge Specification, AMD RS880M, AMD SB820M | Acer 5252, 5552

Northbridge

Item		Specification

Chipset	AMD RS880M
Package	uFCBGA-528p

Features	•	CPU HyperTransport™ Interface
	• Caspian-series processors.
	•	ATI HyperMemory
	•	PCI ExpressR Interface
	• A-Link Express II Interface
	• Northbridge-Southbridge messaging functionalities
	•	2D Acceleration
	•	3D Acceleration
	•	Motion Video Acceleration
	•	Multiple Display
	•	System Clocks
	• PC Design Guide Compliance

Southbridge

Item		Specification

Chipset	AMD SB820M
Package	uFCBGA-605

Features	Processor Interface
	A-Link Express II interface to Northbridges
	PCI ExpressR Controller
	PCI Host Bus Controller
	USB Controllers
	Supports port disable with individual control
	SMBus Controller
	Interrupt Controller
	DMA Controller
	LPC host bus Controller
	SATA Controller
	IDE emulation mode
	AMD RAID Support
	AHCI Support
	High Definition Audio
	Supports up to 4 codecs
	Gigabit Ethernet Media Access
	Controller (GbE MAC)
	Timers
	Real Time Clock (RTC)
	Power Management
	Consumer IR
	Hardware Monitoring
	Integrated Clock Function

Chapter 1

17

Image 27

Acer 5252, 5552G manual Northbridge Specification, AMD RS880M, Southbridge Specification, AMD SB820M

Contents

Aspire 5252/5552/5552G Series Service Guide Revision History III CopyrightPage Conventions Preface Table of Contents Table of Contents Microsoft Windows 7 Environment Test Troubleshooting 149 Table of Contents Chapter Features Aspire 5252/5552 GraphicsAudio Storage Communication Dimensions and WeightPower Subsystem Optical Media Drive Special Keys and Controls InterfaceSoftware Warranty Optional ItemsEnvironment Discrete Model System Block Diagram ATI SB820M UMA Model HDD Your Acer Notebook tourFront View Icon Description Left View Rear View Hdmi Right View Indicators Base ViewIcon Function Description Function Left Button Right Button Main Touchpad Touchpad Basics Using the Keyboard Lock Keys and embedded numeric keypadLock key Description Key Description Windows Keys Hotkey Icon Function Description Hot Keys Hardware Specifications and Configurations UMACPU AMD SB820M Northbridge SpecificationSouthbridge Specification AMD RS880M 2MB Bios Memory Combinations Slot Total Memory System Memory SpecificationLAN Interface Specification Ddriii SO-DIMM Bluetooth Interface Specification Wireless Module 802.11b/g/n Specification Hlds BD Combo Drive Tray DL 4X CT10 LF, Panasonic BD Combo Super-Multi Drive Interface SpecificationBD Drive Interface Specification DVD-R 3.9GB, 4.7GB DVD-R DL, DVD-RW, DVD-RAM, DVD+R, DVD+R Specification Discrete Audio Subsystem SpecificationGraphics Controller Specification Discrete Video Interface Specification System Board Major Chips Specification Discrete USB Port SpecificationHdmi Port Specification Pcmcia Port Not available in this model Specification Keyboard Specification Ports SpecificationBattery Specification Samsung LTN156AT01-A01 LED SpecificationCcfl Specification Samsung LTN156AT02-A04 AC Adapter Specification LCD Inverter SpecificationGraphic Driver Supported Resolution Bits Camera Specification Card Reader Specification Discrete System LED Indicator SpecificationPower Specification Legacy Acpi Mode Power Management Chapter Navigating the Bios Utility Bios Setup Utility Uuid Aspire AS5552/AS5552G BiosInformation Parameter Description Disabled MainParameter Description Format/Option Clear or Set Disabled orSecurity Parameter Description Option Removing a Password Setting a Password Continue Changing a Password USB CD/DVD ROM Boot Exit Information Main Security Boot Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility USB FDDUSB HDD Page WinFlash Utility UnlockHD Remove HDD/BIOS Password UtilitiesRemove HDD Password Password Cleaning Bios Passwords Removing Bios Passwords Using Boot Sequence Selector Using DMITools InputOutput Disassembly Requirements Machine Disassembly and Replacement Pre-disassembly Instructions Main Screw List Quantity Part Number Disassembly Process External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD Dummy Card Removing the Keyboard Chapter Step Size Quantity Screw Type ODD Module M2.5*8 Removing the ODD Module Step Size Quantity Screw Type ODD Bracket M2*3 Step Size Quantity Screw Type Removing the Logic Lower Door Step Size Quantity Screw Type 3G Cover M2.5*8 Removing the 3G Cover Discrete Only Removing the Dimm Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan Module Detach the Wlan module from the Wlan socket Chapter Removing the HDD Module Step Size Quantity Screw Type HDD Carrier M3*3 Removing the RTC Battery UMA Only Main Unit Disassembly Flowchart Main Unit Disassembly Process Removing the Upper Cover Page Chapter Step Size Quantity Screw Type Upper Cover M2.5*5 Removing the Speaker Module Step Size Quantity Screw Type Power Board M2*3 Removing the Power Board Removing the Touchpad FFC Removing the Card Reader Board Discrete Only Remove one 1 screw from the card reader board Removing the USB Board Step Size Quantity Screw Type USB Board M2*3 Removing the Bluetooth Module Lift the Bluetooth cable from the cable guides Removing the ODD Connector Board UMA Only Removing the Mainboard UMA Chapter Page Removing the Thermal Module Carefully lift the thermal module clear of the mainboard Removing the CPU Removing the LCD Assembly Step Size Quantity Screw Type LCD Assembly M2.5*8 Remove the LCD assembly from the lower cover Chapter Removing the DC-IN Assembly LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the LCD Bezel Removing the Camera Module Step Size Quantity Screw Type Inverter Board M2.5*5 Removing the Inverter Board LCD OnlyPage Step Size Quantity Screw Type LCD/LED Panel M2.5*5 Removing the LCD/LED Panel Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets LCD LED Removing the Lvds cable Removing the Microphone Cable Lift the microphone set clear of the panel Removing the Antennas 100 Chapter Replacing the Antennas LCD Module Reassembly Procedure 102 Chapter Replacing the Microphone Cable 104 Chapter Replacing the Lvds Cable Replacing the LCD Brackets Replacing the LCD/LED Panel Replacing the Inverter Board LCD Only Page Replacing the Camera Module Replacing the LCD Bezel Replacing the DC-IN Assembly Main Module Reassembly Procedure Replacing the LCD Assembly 114 Chapter Page Replacing the CPU Mastro B6 Replacing the Thermal Module 118 Chapter Chapter 119 Replacing the Mainboard UMA 122 Chapter Replacing the ODD Connector Board UMA Only Replacing the Bluetooth Board Replacing the USB Board 126 Chapter Replacing the Card Reader Board Discrete Only 128 Chapter Replacing the Touchpad FFC Replacing the Power Board Replacing the Speaker Module Replacing the Upper Cover Page 134 Chapter Step Size Quantity Screw Type Upper Cover M2.5*5 Replacing the RTC Battery UMA Only Replacing the HDD Module 138 Chapter Replacing the Wlan Module Replacing the Dimm Modules Replacing the 3G Cover Discrete Only Replacing the Lower Logic Door Replacing the ODD Module 144 Chapter Replacing the Keyboard Replacing the SD Dummy Card Replacing the Battery 148 Chapter Symptoms Verified Go To Common Problems Computer Shutsdown Intermittently Power On Issue No Post or Video No Display Issue Abnormal Video Display Random Loss of Bios Settings Built-In Keyboard Failure LCD Failure Internal Speaker Failure Touchpad Failure Sound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Not Operating Correctly ODD Failure Discs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function Failure Other Failures External Mouse Failure Intermittent Problems Undetermined ProblemsDimm Post Codes Post Code Range Phase Peirecoveryloadfiledone PEI Peienterrecoverymode PEIPeirecoverymediafound PEI Peirecoverymedianotfound PEI Bdsenterbootmanager BDS Bdsenumerateallbootoption BDSBdsendofbootselection BDS Bdsentersetup BDS Smmacpidisableend SMM Smmacpienablestart SMMSmmacpienableend SMM Smmacpidisablestart SMM Top View Discrete Bottom View Discrete Top View UMA JRJ45 Bottom View UMA LED6 SW2 LED7 Wwan LED SW3 LED8 Power BoardDiscrete Power BoardUMA JUSB1/JUSB2 USB ConnectorUSB Board Card Reader Board Discrete only Clear Cmos Jumper Clearing Password Check and Bios RecoveryClearing Password Check Steps for Clearing Bios Password Check Steps for Bios Recovery from USB Storage Bios Recovery by Crisis DiskBios Recovery Boot Block Bios Recovery Hotkey 176 Chapter FRU Field Replaceable Unit List Aspire AS5552/AS5552G Exploded Diagrams Main AssemblyDescription Acer Part No Upper Assembly LCD Assembly LED Assembly Adapter BatteryAspire AS5552/AS5552G FRU List Category Description Acer Part No Cable CASE/COVER/BRACKET Assembly HDD/HARD Disk Drive CPU/PROCESSOR Keyboard 22A0RT0, ML320M,WD Sata 8MB LF F DVD RW Drive BD Combo Drive LCD ANTENNA*2, CCD 1.3M, Silver LCD Cover IMR-SILVER Ccfl LCD CMO 15.6W Wxga GlareCost Ccfl LCD Samsung 15.6W Wxga Glare Ccfl LCD LPL 15.6W Wxga Glare ANTENNA*2, CCD 1.3M, Brown LCD Cover IMR-BROWN ANTENNA*2, CCD 1.3M, RED LCD Cover IMR-RED ANTENNA*2, CCD 1.3M, Black LED Cover IMR-BLACK Assy LED Module 15.6W Wxga Glare W LED LCD BOE 15.6W Wxga Glare LED Cable for W/CMOSLED Bracket R&L LED LCD Samsung 15.6W Wxga Glare ANTENNA*2, CCD 1.3M, Brown LED Cover IMR-BROWN ANTENNA*2, CCD 1.3M, RED LED Cover IMR-RED Mainboard AS5552 AMD RS880M LF Mainboard Heatsink Memory Miscellaneous Speaker Screw Screw List Appendix a AS5252Model Country Acer Part No Description Appendix a Appendix a 202 Model Country Acer Part No Description Appendix a 204 AAP Chip Model CountryCPU LCD VGA Memory AMDV140 NLED15.6WXGAG UMA SO2GBIII10 Appendix a 208 Turkey AAP340 Appendix a 210 Model Country Memory HDD 1GB ODDExtra SW1 Appendix a 212 AS5552 ACLA-Spain N320GB5.4KS Appendix a 214 Model Country Card Reader Wireless LAN1 Bluetooth Appendix a 216 Italy In-1 card reader 3rd WiFi 2x2 BGN N854G50Mnkk AS5552 Appendix a 218 Belgium In-1 card reader 3rd WiFi 2x2 BGN P343G32Mnkk AS5552 W7HB64SCASCN1 MC AS5552G W7HB64RUASRU1 MC Appendix a 222 China LX.R4A01.001 AS5552G-N852G32Mnrr Appendix a 224 Model Country Acer Part No Description VGA Chip CPU LCD NLED15.6WX Madisonpro 1G-DDR3 Appendix a 228 Denmark APN950 Model Country Memory HDD 1 GB P543G32Mnkk AS5552G Appendix a 232 N953G32Mnkk AS5552G LAN1 Model Country Extra SW1 Card Reader Wireless Bluetooth Turkey McAfee In-1 card 3rd WiFi P543G32Mnkk Reader Appendix a 236 France McAfee In-1 card 3rd WiFi N854G50Mnkk Reader Appendix a 238 Appendix B Test Compatible Components Audio Codec BatteryMicrosoft Windows 7 Environment Test Brand Type Description Acer Part No Adapter HDD Brand Type Description Acer Part No NB Chipset KeyboardLAN MEM Software WiFi AntennaWireless LAN SB Chipset 244 Appendix C Online Support Information 246 Index 248 Removing 58, 62 250