Acer Aspire 1820pt Service Guide
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Chapter 4161 0x 56PLATFORM_IDE 0x 57SMBIOS 0x 58MEMORY_SUB_CLASS 0x 59MISC_SUB_CLASS 0x5ACON_PLATFORM 0x5BSAVE_MEMORY_CONFIG 0x5CACPI_SUPPORT 0x5DCON_SPLITTER_UGA_VGA / CON_SPLITTER 0x5 EVGA_CLASS 0x 5FDATA_HUB 0x 60DISK_IO 0x 61 0x 62MEMORY_TEST CRISIS_RECOVERY 0x 63LEGACY_8259 0x 64LEGACY_REGION 0x 65LEGACY_INTERRUPT 0x 66BIOS_KEYBOARD 0x 67BIOS_VEDIO 0x 68MONITER_KEY 0x 69LEGACY_BIOS 0x6ALEGACY_BIOS_PLATFORM 0x6BPCI_PLATFORM 0x6CISA_FLOOPY 0x6DPS2_MOUSE 0x6 EUSB_BOT 0x 6FUSB_CBI0
162Chapter 4 0x 70USB_CBI1 0x 71USB_KB 0x 72USB_MASS_STORAGE 0x 73BUS_PCI_UHCI 0x 74USB_MOUSE 0x 75 USB_BUS 0x 76SETUP_UTILITY 0x 77FW_BLOCK_SERVICE 0x 78 0x 79USB_LEGACY_PLATFORM GRAPHICS_CONSOLE 0x7ATERMINAL 0x7BDATA_HUB_STD_ERR 0x7CFAT 0x7DPA R T I T I O N 0x7 EENGLISH 0x 7FFRENCH 0x 80HII_DATABASE 0x 81SETUP_BROWSER 0x 82OEM_SETUP_BROWSER 0x 83OEM_BADGING_SUPPORT 0x 84LEGACY_MOUSE 0x 85BIOS_SNP16 0x 86BUS_PCI_UNDI 0x 87SETUP_MOUSE 0x 88OEM_SETTING
Chapter 4163 Each SmmDriver entry point used in 80_PORT 0x 89MONITOR_KEY 0x8APLATFORM_BDS 0x8BFAULT_TOLERANT_WRITE 0x8CUPDATE_DISPATCHER 0x8DCHINESE 0x8 ETPM_S3_Resume 0x 8F 0x 90USB_EHCI SNP_32_64 0x 91PXE_BC 0x 92PXE_DHCP4 0x 93EBC 0x94~0x9FRESERVED 0xA0DXE_H2O_DEBUG_IO 0xA1DXE_H2O_DEBUG_IO 0xA2DXE_TPM_TCG 0xA3DXE_TPM_PHYSICAL_PRESENCE 0xA4DXE_OEM_SERVICE 0xA5DXE_EVENT_LOG 0xA6 0xA7DXE_ SECURITY_HDD_PASSWORD_SERVICE DXE_LAN_ASF_INIT 0xA8DXE_BUS_PCI_SERIAL 0xA9DXE_LAN_IDER_CONTROLLER 0xAADXE_LAN_AMT 0xABDXE_ SECURITY_SYSTEM_PASSWORD_SERVICE 0xACDXE_ SECURITY_ PASSWORD_CONSOLE 0xADDXE_ DATA_HUB_RECORD_POLICY 0xAEDXE_TPM_DRIVER 0xAFRESERVED 0xB0 0xB1JAPANESE DXE_UNICODE_COLLACTION 0xC0SMM_ACCESS
164Chapter 4 0xC1SMM_CONTROL 0xC2SMM_BASE 0xC3SMMAP 0xC4SMMCORE 0xC5SMM_DISPATCH 0xC6SMM_START 0xC7SMM_RUNTIME 0xC8SB_SMM_DISPATCH 0xC9SMM_THUNK 0xCASMM_ACPI_SW_CHILD 0xCBSMM_SB_S3_SAVE 0xCCSMM_PLATFORM 0xCD 0xCESMM_GMCH_MBI SMM_FW_BLOCK_SERVICE 0xCFSMM_VARIABLE 0xD0SMM_IHISI 0xD1SMM_INT15_MICROCODE 0xD2SMM_PNP 0xD3SMM_USB_LEGACY 0xD4SMM_INT13_HDD 0xD5SMM_INIT_PPM 0xD6SMM_OHCI1394 0xD7SMM_ SECURITY_HDD_PASSWORD_SERVICE 0xD8SMM_OEM_SERVICE 0xD9SMM_PPM 0xDASMM_DIGITAL_THERMAL_SENSOR
Chapter 5165 Jumper and Connector Locations Mainboard Top View ItemDescriptionItemDescription PJ2 DC-in CN1 LED connector PJ1 Battery connector CN17 USB connector CN6 LCD connector CN18 HDMI CN5 Touchscreen connector CN2 Keyboard connector CN7 Bluetooth connector CN3 Touchpad connector CN8 Speaker connector CN4 Card reader board connector Chapter 5
166Chapter 5 Mainboard Bottom View ItemDescriptionItemDescription CN9 HDD connector CN17 USB connector JSIM1 SIM card connector CN14 RTC battery connector PJ1 Battery connector CN13 Mini card for 3G CN16 CRT CN10 Mini card for WLAN PJ2 DC-in CN22 DRR2 DIMM2 U17 CPU CN23 DDR2 DIMM1 U18 North Bridge GS45 U19 SB ICH9M CN18 HDMI connector CN15 Fan connector
Chapter 5167 Clearing Password Check and BIOS Recovery This section provides a procedure for clearing the password and BIOS. The Hardware Open Gap on the main board clears the CMOS of all user settings and restores factory defaults. Mainboard CMOS Discharge Discharging the CMOS clears all user settings. 1.Disassemble the notebook and take out the Mainboard. See “Removing the Mainboard” on page 69. 2.Remove the RTC battery. See “Removing the RTC Battery” on page 73. 3.Turn the mainboard over, lift up the DIMM protective cover, and short the G3 pad. 4.Reconnect the RTC battery and reassemble the unit.
168Chapter 5 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block The BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to the factory settings if a BIOS flash process fails. BIOS Recovery Hotkey The system provides a function hotkey: Fn+Esc, to enable the BIOS Recovery process when a system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery from USB Storage Before performing this procedure, prepare a Crisis USB key. The Crisis USB key can be made by executing the Crisis Disk program in a functioning system with a Windows XP, Vista or 7 OS. IMPORTANT:The Crisis Disk program will overwrite all data on any drive that you use as a crisis disk. Follow the steps below: 1.Modify the archive name from ZE8 bios to ZE8X64.fd 2.Save ROM file (file name: ZE8X64.fd) to the root directory of the USB storage. 3.Plug the USB storage into a USB port of the machine to have the crisis utility run on. 4.Remove the battery and AC adaptor of the machine. 5.While pressing the Fn + ESC buttons plug in the AC adaptor and then press Power. Keep pressing Fn+ESC till the power button flashes. The LED of the USB flash disk flashes for three (3) to seven (7) minutes. When CRISIS is complete, the system auto restarts with a workable BIOS. 6.Update the latest version BIOS for this machine by the regular BIOS flashing process.
Chapter 6169 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of the computer. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. Exploded Diagram ItemDescriptionAcer Part No. 1 LCD cover 60.PNF07.001 2 LCD Panel LK.11605.003 3 LCD Bezel 60.PND07.004 4 Keyboard Module KB.I110A.026 5 Upper Cover 60.PLN07.001 Chapter 6
170Chapter 6 6 Battery Module BT.00607.114 7CPU N/A 8 Chassis Assembly 60.PLN07.003 9 Mainboard Assembly MB.PND06.002 10 Hard Disk Drive Assembly KH.16001.042 11 RAM DDR3 Module KN.1GB0B.019 12 WLAN Module KI.SPH01.005 13 Adapter AP.03001.001 14 Bluetooth Module BH.21100.004 15 3G Module TBD ItemDescriptionAcer Part No.