Acer Aspire 7315 Service Guide
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Chapter 4141 0x3B MONOTONIC_COUNTER 0x3C WATCH_DOG_TIMER 0x3D SECURITY_STUB 0x3E DXE_CPU_IO 0x3F CF9_RESET 0x40 PC_RTC 0x41 STATUS_CODE 0x42 VARIABLE 0x43 EMU_VARIABLE 0x44 DXE_CHIPSET_INIT 0x45 DXE_ALERT_FORMAT 0x46 PCI_HOST_BRIDGE 0x47 PCI_EXPRESS 0x48 DXE_SB_INIT 0x49 IDE_CONTROLLER 0x4A SATA_CONTROLLER 0x4B SB_SM_BUS 0x4C ISA_ACPI_DRIVER 0x4D ISA_BUS 0x4E ISA_SERIAL 0x4F IDE_BUS 0x50 PCI_BUS 0x51 BOOT_PRIORITY 0x52 FVB_SERVICE 0x53 ACPI_PLATFORM 0x54 PCI_HOT_PLUG 0x55 DXE_PLATFORM 0x56 PLATFORM_IDE 0x57 SMBIOS 0x58 MEMORY_SUB_CLASS 0x59 MISC_SUB_CLASS 0x5A CON_PLATFORM 0x5B SAVE_MEMORY_CONFIG 0x5C ACPI_SUPPORT 0x5D CON_SPLITTER_UGA_VGA / CON_SPLITTER 0x5E VGA_CLASS 0x5F DATA_HUB 0x60 DISK_IO 0x61 MEMORY_TEST 0x62 CRISIS_RECOVERY 0x63 LEGACY_8259 0x64 LEGACY_REGION 0x65 LEGACY_INTERRUPT CodeDescription
142Chapter 4 0x66 BIOS_KEYBOARD 0x67 BIOS_VEDIO 0x68 MONITER_KEY 0x69 LEGACY_BIOS 0x6A LEGACY_BIOS_PLATFORM 0x6B PCI_PLATFORM 0x6C ISA_FLOOPY 0x6D PS2_MOUSE 0x6E USB_BOT 0x6F USB_CBI0 0x70 USB_CBI1 0x71 USB_KB 0x72 USB_MASS_STORAGE 0x73 BUS_PCI_UHCI 0x74 USB_MOUSE 0x75 USB_BUS 0x76 SETUP_UTILITY 0x77 FW_BLOCK_SERVICE 0x78 USB_LEGACY_PLATFORM 0x79 GRAPHICS_CONSOLE 0x7A TERMINAL 0x7B DATA_HUB_STD_ERR 0x7C FAT 0x7D PARTITION 0x7E ENGLISH 0x7F FRENCH 0x80 HII_DATABASE 0x81 SETUP_BROWSER 0x82 OEM_SETUP_BROWSER 0x83 OEM_BADGING_SUPPORT 0x84 LEGACY_MOUSE 0x85 BIOS_SNP16 0x86 BUS_PCI_UNDI 0x87 SETUP_MOUSE 0x88 OEM_SETTING 0x89 MONITOR_KEY 0x8A PLATFORM_BDS 0x8B FAULT_TOLERANT_WRITE 0x8C UPDATE_DISPATCHER 0x8D CHINESE 0x8E TPM_S3_Resume 0x8F USB_EHCI 0x90 SNP_32_64 CodeDescription
Chapter 4143 0x91 DXE_0x91 PXE_BC 0x92 PXE_DHCP4 0x93 EBC 0x94~0x9F RESERVED 0xA0 DXE_H2O_DEBUG_IO 0xA1 DXE_H2O_DEBUG_IO 0xA2 DXE_TPM_TCG 0xA3 DXE_TPM_PHYSICAL_PRESENCE 0xA4 DXE_OEM_SERVICE 0xA5 DXE_EVENT_LOG 0xA6 DXE_ SECURITY_HDD_PASSWORD_SERVICE 0xA7 DXE_LAN_ASF_INIT 0xA8 DXE_BUS_PCI_SERIAL 0xA9 DXE_LAN_IDER_CONTROLLER 0xAA DXE_LAN_AMT 0xAB DXE_ SECURITY_SYSTEM_PASSWORD_SERVICE 0xAC DXE_ SECURITY_ PASSWORD_CONSOLE 0xAD DXE_ DATA_HUB_RECORD_POLICY 0xAE DXE_TPM_DRIVER 0xAF RESERVED 0xB0 JAPANESE 0xB1 DXE_UNICODE_COLLACTION CodeDescription
144Chapter 4 Each SmmDriver entry point used in 80_PORT * If the BIOS detects error 2C, 2E, or 30 (base 512K RAM error), it displays an additional word-bitmap (xxxx) indicating the address line or bits that failed. For example, 2C 0002 means address line 1 (bit one set) has failed. 2E 1020 means data bits 12 and 5 (bits 12 and 5 set) have failed in the lower 16 bits. Note that error 30 cannot occur on 386SX systems because they have a 16 rather than 32-bit bus. The BIOS also sends the bitmap to the port-80 LED display. It first displays the check point code, followed by a delay, the high-order byte, another delay, and then the low-order byte of the error. It repeats this sequence continuously. CodeDescription 0xC0 SMM_ACCESS 0xC2 SMM_CONTROL 0xC1 SMM_BASE 0xC3 SMMAP 0xC4 SMMCORE 0xC5 SMM_DISPATCH 0xC6 SMM_START 0xC7 SMM_RUNTIME 0xC8 SB_SMM_DISPATCH 0xC9 SMM_THUNK 0xCA SMM_ACPI_SW_CHILD 0xCB SMM_SB_S3_SAVE 0xCC SMM_PLATFORM 0xCD SMM_GMCH_MBI 0xCE SMM_FW_BLOCK_SERVICE 0xCF SMM_VARIABLE 0xD0 SMM_IHISI 0xD1 SMM_INT15_MICROCODE 0xD2 SMM_PNP 0xD3 SMM_USB_LEGACY 0xD4 SMM_INT13_HDD 0xD5 SMM_INIT_PPM 0xD6 SMM_OHCI1394 0xD7 SMM_ SECURITY_HDD_PASSWORD_SERVICE 0xD8 SMM_OEM_SERVICE 0xD9 SMM_PPM 0xDA SMM_DIGITAL_THERMAL_SENSOR
Chapter 5145 Jumper and Connector Locations Top View ItemDescription JLVDS1 LCD Connector JP14 Power/B Connector JSPK1 Speaker(Left) Connector JSPK2 Speaker(Right) Connector JKB2 Internal Keyboard Connector JTP1 Touch Pad Connector U11 South Bridge SW4 Touch pad (Left) Button SW3 Touch pad (Right) Button Chapter 5
146Chapter 5 Bottom View ITEMDESCRIPTION PJP1 AC-IN Connector JRJ45 RJ45 Connector JCRT1 CRT Connector JP12 Fan Connector JUSB1 USB Connector JUSB2 USB Connector JMIC1 MIC-In Jack JHP1 Head-Phone Jack JSATA2 HDD Connector U23 North Bridge JCPU1 CPU Socket JREAD1 Card Reader Socket PJP3 Battery Board Connector JDIMM2 Memory DIMM2 Connector JDIMM1 Memory DIMM1 Connector PJP2 ODD Board Connector JMINI2 Wireless Card Connector
Chapter 5147 Power Board LS-4852P ODD Board ITEMDESCRIPTION SW1 TP Lock Button SW2 ON/OFF Button SW3 Wireless Button LED1 ON/OFF LED LED3 Media LED LED4 Num LED LED5 Wireless LED LED6 Caps LED LED7 TP Lock LED ITEMDESCRIPTION JP1 M/B Connector JP2 HDD Connector JP3 ODD Board Connector
148Chapter 5 LS-4853P Battery Board LS-4854P Lid Board ITEMDESCRIPTION PIP1 M/B Connector PIP2 Battery Connector ITEMDESCRIPTION U1 Lid Switch
Chapter 5149 Clearing Password Check and BIOS Recovery This section provides you with the standard operating procedures of clearing password and BIOS recovery for eMachine HM70-MV. The machine provides one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery. Clearing Password Check Steps for Clearing BIOS Password Check If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask the password during systems POST or when systems enter to BIOS Setup menu. However, once it is necessary to bypass the password check, users need to short the HW Gap to clear the password by the following steps: 1.Power Off the system, and remove HDD, AC and Battery from the machine. 2.Disconnect the RTC Battery cable and locate the J1 jumper. 3.Use an electric conductivity tool to short the two points of the HW Gap. 4.Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the system till BIOS POST finish. Then remove the tool from the HW Gap. 5.Restart system. Press F2 key to enter BIOS Setup menu. 6.If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and try again. NOTE: These steps are only for clearing BIOS Password (Supervisor Password and User Password). Clear CMOS Jumper ItemDescription J1 Clear CMOS Jumper
150Chapter 5 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: 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 a successful one once the previous BIOS flashing process failed. BIOS Recovery Hotkey: The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when 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 doing this, prepare the Crisis USB key. The Crisis USB key could be made by executing the Crisis Disk program in another system with Windows XP OS. Follow the steps below: 1.Format the USB storage disk using the Fast Format option. 2.Save ROM file (file name: JAL90x64.fd) to the root directory of USB storage. Make sure that there is no other BIOS file saved in the same directory. 3.Plug USB storage into USB port. 4.Press Fn + ESC button then plug in AC power. The Power button flashes once. 5.Press Power button to initiate system CRISIS mode. When CRISIS is complete, the system auto restarts with a workable BIOS. 6.Update the latest version BIOS for this machine by regular BIOS flashing process.